The global fertilizer market is currently facing its most severe disruption since 2022. While the sector has been under pressure for quite some time, developments over the past few weeks have pushed the market into a new phase of uncertainty. A combination of geopolitical tensions, disrupted trade routes, elevated energy prices, restricted export volumes and rising logistics costs is creating a highly unstable environment.

This situation does not only affect producers, distributors and growers. It affects the entire food chain. Fertilizers remain a vital link between energy, crop production and food security.

The market was already under pressure before the recent escalation

To understand the seriousness of the current situation, it is important to note that the fertilizer market entered 2026 in an already tense position. In many segments, prices were already above the levels seen one year earlier, and market sentiment was clearly leaning towards further upward pressure rather than correction.

One of the main reasons was China’s export policy. China has traditionally played a major role in stabilizing global phosphate markets, but export volumes declined significantly in 2025. In addition, the country made clear that urea exports would remain restricted in order to prioritize domestic food security. While understandable from a national perspective, this has left a substantial gap in the global supply balance.

At the same time, Europe has continued to face relatively high natural gas prices. This remains highly relevant for nitrogen fertilizers such as urea, ammonia and UAN, as natural gas is a key feedstock in production. As a result, European production capacity has remained below normal levels.

In short, the market was already vulnerable. The events of late February and March have only intensified that fragility.

Why the Gulf region is so important to the fertilizer industry

The Strait of Hormuz is widely known as a strategic route for oil and gas. What is less widely understood is how critical the same corridor is for the global fertilizer trade.

The Gulf region combines three strategic advantages: abundant natural gas reserves, well-developed industrial infrastructure, and direct shipping access to some of the largest agricultural import markets in the world, including India, Brazil and North Africa. Countries such as Iran, Saudi Arabia, Qatar, the UAE and Kuwait therefore play a central role in the export of urea, ammonia, sulphur and phosphate-related raw materials.

Sulphur deserves particular attention. It is not only an essential nutrient for crops, but also a critical raw material in the production of sulphuric acid. That acid is required to convert phosphate rock into plant-available phosphate fertilizers. In other words, disruptions in sulphur supply do not only affect direct trade flows, but also phosphate fertilizer production worldwide.

A significant share of global seaborne trade in urea, sulphur, ammonia and phosphates passes through the Strait of Hormuz. When that route is disrupted, the effects are felt immediately across international markets.

The market shifted rapidly at the end of February

The recent escalation in the Middle East has had an immediate impact on fertilizer markets. Disruptions to shipping routes in and around the Gulf quickly translated into higher prices, supply concerns and greater uncertainty in procurement and delivery planning.

What followed was not only a response to actual supply disruption, but also a strong risk-based reaction from the market. Once producers, traders and buyers begin to price in uncertainty around availability and logistics, price formation changes rapidly. That is exactly what we are seeing today.

The impact is broader than physical shipments alone. LNG-related disruptions have also affected nitrogen production outside the Gulf, especially in markets dependent on imported gas. This has turned the current situation into a wider supply chain issue rather than a purely regional event.

What are prices doing?

Price increases are broad-based and affect several fertilizer groups at the same time. That makes this disruption fundamentally different from a temporary movement in just one nutrient market.

Urea has been the most affected product so far. In several markets, prices have risen sharply compared to pre-escalation levels. Ammonia has also moved significantly higher. DAP and MAP have followed the same direction, partly because of tightness in sulphur supply and the indirect impact on phosphate production outside the Gulf. Sulphur itself was already trading at elevated levels earlier this year and has now become even more difficult to source.

Potash has been relatively less affected, mainly because its supply base is less directly dependent on the Gulf region. Even so, the wider uncertainty in energy, freight and global trade continues to influence sentiment across all fertilizer markets.

For growers and distributors, this means that input costs have changed considerably in a short period of time. In markets with tight margins, this directly affects purchasing decisions, application strategies and timing.

Why this crisis is heavier than earlier market disruptions

What makes the current situation especially challenging is the combination of multiple risk factors at the same time.

The market was already dealing with restricted Chinese exports, expensive European gas, and tightness in several raw material segments. On top of that, the recent geopolitical escalation has introduced additional freight pressure, higher insurance premiums, logistical uncertainty and renewed volatility in procurement.

CBAM-related cost pressure within the European Union is also adding to the overall complexity. That means the market is not responding to one single event, but to a stack of structural and short-term pressures happening simultaneously.

Weather remains another important variable. If reduced fertilizer availability or higher prices are combined with difficult growing conditions in major agricultural regions, the impact on crop performance becomes even more significant.

Three possible scenarios for the rest of 2026

Looking ahead, three broad scenarios appear possible.

In a positive scenario, diplomatic efforts succeed in easing tensions and major shipping routes reopen more fully in the short term. If that happens, fertilizer prices may partially correct during the second half of the year, although a full return to previous levels remains unlikely.

The most realistic scenario at this stage appears to be partial normalization. In that case, trade continues, but under higher costs, tighter conditions and ongoing uncertainty. Prices would then remain structurally above pre-crisis levels, with higher freight, insurance and raw material costs built into the market.

In a more negative scenario, disruptions continue for a longer period and production infrastructure in the region comes under further pressure. That would likely lead to another sharp upward move in prices and a growing risk of physical supply shortages in several markets.

What this means in the longer term

Regardless of which scenario unfolds, one conclusion is already clear: this crisis will accelerate structural change in the global fertilizer market.

Countries and regions that depend heavily on one supply origin will increasingly focus on supplier diversification, local production and supply security. Within Europe, discussions around strategic fertilizer resilience are likely to intensify further.

In the longer term, alternative production routes such as green ammonia may gain momentum. However, these are medium- to long-term developments. They will not solve the immediate market imbalance. In the short term, the industry remains highly dependent on geopolitical stability, energy pricing and the availability of global logistics capacity.

Our view on the current situation

At present, the fertilizer market is being driven not only by confirmed supply disruptions, but also by uncertainty. That makes the current environment especially difficult to navigate. A sudden de-escalation could trigger equally sharp price corrections. However, as long as uncertainty around the Strait of Hormuz and wider regional developments remains in place, upward risk continues to outweigh downward potential.

For producers, distributors and professional end users, this means flexibility, timing and clear communication are more important than ever. Market conditions may change quickly, and purchasing decisions increasingly need to take raw material volatility, freight movements and delivery uncertainty into account.

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Maximizing plant nutrition through better irrigation water quality

Water plays a critical role in plant development, acting as the transport medium for nutrients throughout the plant. The effectiveness of any fertilization strategy is therefore directly influenced by the quality of irrigation water. Even well-balanced fertilizers require the right water conditions to perform at their full potential.

Optimizing Irrigation Water for Better Nutrient Performance

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Why Water Quality Matters

Irrigation water influences substrate chemistry, nutrient availability, and root zone stability. Key parameters such as pH, electrical conductivity (EC), and mineral content define how nutrients behave after application.

In practice, even small imbalances can lead to nutrient lock-up, deficiencies, or inefficient uptake. Understanding water composition allows growers to make more precise and reliable decisions.

Practical Steps to Improve Irrigation Water

1. Monitor Water Quality Regularly

Regular water analysis forms the basis of a stable fertilization strategy. Testing at least once per year, or more frequently when water sources fluctuate, helps detect changes before they impact crop performance.

2. Translate Analysis into Action

Water analysis only adds value when it leads to adjustments. By interpreting results correctly, growers can fine-tune fertilization programs and prevent nutrient imbalances.

3. Focus on Key Parameters

pH
pH determines nutrient availability. High pH levels can reduce the uptake of essential micronutrients.

Electrical Conductivity (EC)
EC reflects the total concentration of dissolved salts. High EC can stress plants, while low EC may indicate insufficient nutrient levels.

Bicarbonates, Calcium & Magnesium
These elements influence buffering capacity and nutrient balance. High bicarbonates can make pH correction more difficult, while low Ca and Mg levels may require supplementation.

4. Adjust Where Needed

Depending on the water composition, targeted actions may be required:

• Acidification to lower pH

• Supplementation of calcium or magnesium

• Adjusting fertilizer formulations

• Optimizing irrigation volumes based on EC and crop demand

5. Consider Your Water Source

Rainwater
Soft water with low mineral content. May require calcium and magnesium supplementation and has limited buffering capacity.

Well Water
Often contains higher levels of minerals and bicarbonates. May require acidification and offers stronger buffering.

Understanding your water source helps predict how it interacts with fertilizers.

6. Align Irrigation with Crop Needs

Effective irrigation is always a balance between water quality, environmental conditions, and crop requirements. Fine-tuning this balance ensures efficient nutrient delivery and optimal plant performance.

7. Improve Water Distribution

Uniform water distribution is essential for consistent nutrient uptake. Wetting agents can improve water penetration, reduce dry spots, and enhance nutrient availability, especially in modern substrates.

8. Integrate Water and Fertilization Strategies

At Mivena, we approach water quality and fertilization as one integrated system. By aligning nutrient release technologies with real irrigation conditions, growers can achieve more consistent results and improved efficiency across different crops and climates.

Conclusion

Irrigation water quality is a key factor in successful crop production. By understanding its composition and applying targeted adjustments, growers can significantly improve nutrient efficiency and plant performance. A balanced approach to water and fertilization leads to more stable, reliable, and high-quality results.

Looking to improve nutrient efficiency?

Our technical specialists can help you translate water analysis into practical fertilization strategies.

Get in touch with our team

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Microgranules in the seed row: Why a strong root start makes the difference

A crop makes decisions early. In the first weeks after sowing or planting, the foundation is built for root volume, nutrient uptake capacity and uniform growth. And that early start often determines how many “corrections” you need later: extra fertilizer applications, growth setbacks caused by stress, or an uneven crop that becomes harder to manage.

Microgranular starter fertilization is one of the most effective ways to improve that start, because you place nutrients exactly where the plant needs them most: in or directly next to the seed row.

What happens in the soil during early growth?

During germination and emergence, the plant develops a network of fine roots and root hairs. These are the “uptake organs” responsible for absorbing water and nutrients. The faster this network develops, the sooner the plant can:

• Absorb nutrients efficiently,

• Cope better with cold or dry conditions,

• Grow more uniformly,

• and enter the season with stronger momentum.

A root network like the one you see in macro images, thicker main roots with thousands of fine feeder roots, is not just a lab detail. It is literally the engine behind yield potential.

Why microgranules are so efficient

The advantage of microgranules is not “applying more”, but placing smarter.

With broadcast fertilization, nutrients are spread across the entire field. That’s fine for base applications, but less ideal in the first weeks: the young root system is still small and explores only a limited soil volume. With microgranules, you create a concentrated nutrient zone around the seed or planting material. That Ato:

• faster availability in the root zone,

• fewer losses outside the uptake area,

• and more uniform emergence.

The role of slow-release nitrogen (methylene urea)

In the start phase, you don’t want an “all-at-once” nitrogen peak. Part of that nitrogen can be lost, or the plant may grow too fast without building a stable foundation.

With methylene urea (MU) as a slow-release nitrogen source, nitrogen becomes available gradually. This supports steady, consistent growth and helps reduce the risk of losses. Combined with precise placement in the row, you make nutrients not only available, but truly usable.

Magnesium: greener leaves, better efficiency

Magnesium plays a key role in chlorophyll (leaf green) and therefore in photosynthesis. In practice, that means: a stronger start, higher energy production, and more efficient nitrogen utilisation, exactly what you want when the crop needs to “switch on”.

Granuform®: starter fertilisation designed for row placement

Granuform® is a microgranular starter fertilizer for arable applications. By applying it directly in or next to the seed row, the crop gains rapid access to nutrients in the root zone. Granuform® includes slow-release nitrogen via methylene urea (MU) and is enriched with magnesium to support chlorophyll formation and nutrient efficiency.

In short:

• precision nutrition at seed/planting material

• fast, uniform early growth

• strong root development in the start phase

• long-lasting N supply through MU

• microgranules (0.5–1.0 mm) for even distribution

Application & rate (practical)

Granuform® is applied using a microgranule applicator or precision seeder, directly in or next to the seed row.

Guideline rate: 20–40 kg/ha
(depending on crop, soil type and fertilisation strategy)

Important: do not exceed the recommended rate and always follow national fertilization regulations.

When is microgranular starter fertilisation especially valuable?

Microgranules in the row are particularly relevant when you:

• face a cold or slow spring (delayed root start),

• want to stimulate early rooting and uptake,

• need a more uniform crop for mechanical operations,

• aim to increase efficiency at lower application rates,

• or want stable, controlled nitrogen availability early on.

Practical tips to maximise performance

• Placement is everything
  Ensure the fertilizer is positioned in the zone around the seed/planting material.

• Calibrate the microgranule unit
  Microgranules only deliver results when your equipment accurately doses per row.

• Storage & handling
  Store dry and cool in the original packaging. Avoid large temperature fluctuations and moisture.

Conclusion: start smarter, correct less

A strong root system is not a “nice to have”. It is the foundation for nutrient uptake, stress resilience and uniform growth. With microgranular starter fertilization, you place nutrients exactly where the crop is most sensitive to shortages: right next to the roots.

Granuform® combines precision placement with slow-release nitrogen (MU) and magnesium for a powerful, stable start.

Granuform® – The smartest start in the row.

Interested in improving your crop’s early growth?

Discover how Granuform® microgranular starter fertilization supports strong root development and uniform crop establishment.

Download Granuform® Brochure (NL)

Explore Granuform® product page

Contact Our Technical Specialist

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Why potassium sulfate is often smarter than potassium nitrate

Quick summary:

For sports turf, you want potassium to be stable and controllable, without growth spikes or unnecessary leaching risk. Potassium sulfate (K₂SO₄) tends to deliver a calmer, more consistent effect, while potassium nitrate (KNO₃) acts faster but is often shorter-lived and more “peak-prone” due to nitrate mobility.

Sports turf is all about control

In sports turf management, it’s all about consistent quality: stable growth, strong plant structure, stress tolerance, and avoiding peaks and dips. Yet in specifications and tenders, we still regularly see potassium nitrate (KNO₃) written in as an explicit requirement.

That steers the market toward one specific raw material, while agronomically, there are often better alternatives. In many sports turf applications, potassium sulfate (K₂SO₄) is simply the more logical choice.

1) The key difference isn’t potassium, it’s the “companion ion”

Both sources supply potassium (K). The real difference is what comes with it:

• Potassium sulfate (K₂SO₄) → potassium + sulfate

• Potassium nitrate (KNO₃) → potassium + nitrate

That companion ion strongly influences mobility, speed, and controllability in your fertilization program.

2) Nitrate is fast and highly mobile (which often means shorter effective performance)

Nitrate (NO₃⁻) dissolves immediately and moves easily with water through the soil. That typically results in:

• rapid uptake and a fast visible response

• a shorter effective window (what you apply can be “gone” faster via uptake or leaching)

• a higher chance of growth flushes followed by a drop-off

• under less favorable conditions, a higher risk of loss through leaching

On sports turf, a quick “kick” isn’t always a benefit. Most managers prefer steady, healthy growth and predictability.

3) Sulfate works calmer and fits better into a controlled strategy

Sulfate (SO₄²⁻) is less mobile than nitrate and does not trigger an immediate growth surge. That makes potassium sulfate a better fit for sports turf, because it:

• supports a more even growth pattern

• adds no extra nitrogen impulse

• integrates well with programs where nitrogen is managed separately (e.g., via CRF/SRF strategies)

Practically speaking: you deliver potassium where it’s needed, without automatically adding “extra growth pressure.”

Mini comparison: K₂SO₄ vs KNO₃ (sports turf)

Focus: mobility, controllability, and peak risk in turf nutrition programs.

Feature	Potassium sulfate (K₂SO₄)	Potassium nitrate (KNO₃)
Companion ion	Sulfate	Nitrate
Speed of response	Calm / even	Fast / immediate
Soil mobility	Lower than nitrate	Very high
Release behavior	More consistent, less peak-prone	More peak-prone, often shorter effective window
Nitrogen impulse	No	Yes (via nitrate)
Fit with controlled N strategy	Strong	Less logical (N is “attached” to K)
Leaching risk (companion ion)	Lower	Higher (nitrate)

Autumn and winter: why nitrate is often less desirable

In autumn and winter, the goal shifts from “pushing growth” to maintaining vitality: root health, stress tolerance, and a stable plant without soft growth. During this period, turf managers often want less nitrate-driven growth, because conditions (temperature, light, uptake capacity) are less favorable and the risk of nutrient loss increases.

Potassium sulfate fits this seasonal approach well: you support potassium function without a direct nitrate impulse, helping you keep calm and control in the program.

Specifications: focus on function, not one raw material

A tender that literally requires “potassium nitrate” focuses on the means rather than the goal. In sports turf, the goal is typically:

• consistent potassium availability in the rootzone

• limited peak effects

• low leaching sensitivity

• smooth integration into a controlled nutrition plan

Conclusion

On sports turf, potassium should be stable, predictable, and controllable—without unwanted peaks. That’s why potassium sulfate is in many cases a more practical and agronomically stronger alternative than potassium nitrate, especially when nitrogen is managed separately through a controlled strategy.

Want to know which potassium strategy best fits your field, season, and management goals? We’re happy to help with a practical fertilization plan and if desired, support it with soil and/or plant sap measurements.

Contact Our Technical Manager

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Better Spread, Better Fertilization

Does size matter? It may sound playful, but in controlled-release fertilizers it points to something essential: granule size and, even more importantly, how many granules you apply per gram.

Modern CRF technology focuses on coatings, osmotic processes and release curves, but true nutritional uniformity starts with something much simpler. It’s the number of contact points on the field or in the growing medium, the number of granules within a single gram of fertilizer.

More granules means more precision

A CRF granule is not just a pellet. It is a micro-reservoir of nutrients that releases over several months. When you apply fifteen or sixteen of those reservoirs per gram, the feeding pattern across the crop looks very different compared to applying forty or more.

Mivena compared several similar CRF products, all with six-month longevity and all fully coated NPK formulas. Each product was tested by counting exactly one gram of granules. The results were striking.

Results:

Horti-Cote Plus 16-6-11 → 41 granules per gram
O-cote Exact Standard 15-9-12 → 28 granules per gram
M-Cote 15-9-15 → 17 granules per gram
E-kote 15-9-14 → 16 granules per gram

The conclusion is simple. When the same amount of nutrients is divided over smaller and more uniform granules, you create more contact points in the root zone. More contact points lead to a more even nutrient supply. And a CRF that falls more evenly performs more evenly.

The comparison speaks for itself. At the same weight, Durable® CRF 44-0-0 delivers roughly four times more granules than Cote-N 42-0-0. More granules mean more contact points, a finer spread pattern and noticeably more uniform feeding across the treated area. This simple physical difference directly translates into more consistent plant performance.

Impact on growth, colour and root development

Plant performance is highly sensitive to variations in nutrient distribution. A finer granule distribution leads to more uniform colour, more consistent leaf mass and fewer visible patches. In both turf and horticultural crops, a higher granule count results in steadier growth and predictable biomass production.

Roots benefit as well. When nutrients are released evenly, stress is reduced and plants develop a more balanced root system. This effect is especially important in soft fruit, pot plants and young plants where uniformity is critical.

Visual of spread quality

The Durable CRF visualization shows clearly how granule count affects real-world spreading. A product with about 120 granules per gram creates a near pixel-like coverage, while one with only thirty leaves gaps and clusters.

This difference in physical spread leads to noticeable differences in plant response, not because the formulation changes, but because the distribution does.

Why Mivena focuses on high granule density

In Horti-Cote Plus and Durable CRF, Mivena intentionally uses compact, high-density granules. Each particle is fully coated and engineered for controlled nutrient release. By increasing the number of granules per gram, feeding becomes more stable, more predictable and ultimately more efficient.

Conclusion: Does size matter?

Yes, size matters, especially when it comes to performance.

CRF performance is not driven by chemistry alone. It also depends on a physical reality that is often overlooked: how evenly the nutrition is distributed. The difference between sixteen and forty-one granules per gram is the difference between average uniformity and true professional precision.

Granule count determines spread quality. Spread quality determines growth quality. And that makes granule size and granule density one of the most underestimated performance factors in controlled-release fertilizers.

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Autumn fertilization for nurseries:

How CRF protects plants during winter

Autumn fertilization for nurseries is often underestimated. As temperatures fall and plant growth slows, many growers reduce or stop fertilizing. In practice, autumn is not the moment to stop feeding. It is the moment to feed more intelligently. Controlled release fertilization helps plants enter winter in better condition and start spring stronger.

Why autumn fertilization matters

When substrate temperatures drop below 10 °C, roots absorb fewer nutrients. Traditional fertilizers continue releasing nutrients even when plants cannot use them. This can increase EC, cause salt accumulation or lead to nutrient losses during winter. Efficiency decreases while risks increase.

How Horti-Cote Plus helps nurseries

Horti-Cote Plus uses a temperature-responsive Durable coating. When temperatures fall, the coating slows down and reduces nutrient release. When temperatures rise again in early spring, the coating reopens and plants receive nutrition at the moment root activity increases. Feeding remains efficient throughout winter.

Even distribution and balanced nutrition

The compact 2 to 3 millimetre midi granule mixes evenly in substrates. The balanced N, K, Ca and Mg ratio supports root development, strong cell structure and resilience. Young plants enter dormancy in a healthier state and respond faster when spring growth restarts.

Practical benefits for nurseries

Autumn fertilization for nurseries delivers long-term advantages. EC levels remain safe, nutrient losses are limited, spring growth is more uniform and labour input is reduced. Growers gain better control with fewer risks during the cold season.

Conclusion

Autumn fertilization for nurseries is not about applying more fertilizer. It is about precise and controlled feeding. With Horti-Cote Plus, nutrients are released only when plants can absorb them, resulting in healthier overwintering and a stronger start in spring.

Discover Horti-Cote Plus -->

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Fertilizer Market Outlook 2026: What growers should prepare for

The fertilizer market forecast 2026 is already on the minds of many growers. As the year comes to an end and preparations for the new season begin, the key question is clear: what will fertilizer prices do next year? To help our partners prepare, we share a realistic and data-based forecast built on our own market experience and independent international sources.

Q4 2025
For the remainder of 2025, raw material prices are expected to stay mostly stable. A small increase in nitrogen and phosphate cannot be excluded, but no major price shocks are expected before winter.

2026: Global stabilization, European pressure
International sources forecast that global fertilizer prices will begin to stabilise in 2026. However, the fertilizer market forecast 2026 for Europe looks different: prices are expected to remain firm due to regulatory pressure and supply restrictions that are not reflected in the global average.

CBAM carbon pricing for fertilizer imports begins on 1 January 2026.
According to Rabobank, this may result in:
• 10–20% higher costs for ammonia
• 10–15% higher costs for urea
• 2–5% higher costs for DAP
The exact impact depends on supplier emissions and trade routes.

EU tariffs on Russian fertilizers have been active since July 2025.
Reuters reports that these tariffs are pushing prices upward, and buyers are already switching to more expensive suppliers to secure stock.

Energy prices, especially natural gas, remain a cost driver for nitrogen fertilizers.
Demand remains strong, and global restrictions and shifting export flows continue to limit availability.

 

Even if global prices soften or stabilise, these European regulations and supply dynamics may lead to a different outcome for growers inside the EU.

Expected market situation in 2026

Product (EU import perspective 2026)	Global trend 2026	EU regulatory impact	Expected effect in EU
Urea / Ammonium Nitrate (N)	Stabilizing	Higher due to CBAM and Russian tariffs	Flat to increasing
DAP / MAP (P)	Forecast –8%	Moderate CBAM impact	Likely flat
Potash (K)	Flat	Limited CBAM effect, logistics remain risk	Flat, possible upward risk

Sources: World Bank Commodity Outlook 2025/2026, Rabobank 2025, Reuters, S&P Global.

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Timing is everything

By October, the turf season begins to split: some courses slow down, others stay busy. But beneath every fairway, green, or pitch, the same challenge emerges—how to protect turf nutrition through winter and make sure growth restarts cleanly in spring.

That preparation begins now.
A single fall application of a 4-month controlled-release fertilizer (CRF) can make the difference between a sluggish comeback and a smooth, early lift-off when temperatures rise again.

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The science behind it: temperature-responsive nutrition.

Our Durable® coating technology adapts naturally to soil temperature.
As autumn progresses and soil cools toward 7–10 °C, nutrient diffusion through the coating slows dramatically. That means the product “waits” with the turf. Feeding less when growth is minimal.

Then, as soon as the soil warms again, the release rate accelerates in sync with turf demand.
The result?

• Minimal nutrient loss in winter, even under wet conditions.
• Balanced feeding, without the common peaks and dips of conventional fertilizers.
• Consistent early color and growth once spring returns.

Why choose a 4-month CRF?

Because it’s perfectly tuned to bridge the coldest period of the year.
Apply in fall, and your turf carries the nutrients safely through winter, ready to fuel early spring growth. It’s a low-effort, high-impact strategy that saves labor, reduces washout risk, and keeps turf health stable during dormancy.

It’s not about feeding more. It’s about feeding smarter.

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One principle, different climates.

Europe has no single “perfect” application date.
The 4-month CRF adapts to local soil temperature, not the calendar. But here’s a practical guide:

Region	Best Application Window
Northern / North-Eastern Europe	Mid October
Central / Western Europe	Late October – Early November
Southern Europe	November – Early December

The key? Let soil temperature fine-tune your timing.

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The payoff: a faster start in spring.

When the mowers roll out again, courses treated in autumn will already show stronger recovery, denser color, and fewer uneven patches.
That’s the Durable® advantage—science that works with nature’s rhythm, not against it.

The post How to Bridge Winter and Power Early Growth for my Grasses appeared first on Mivena | Specialty fertilizer company.

“Consistent growth without peaks”

From public green to sports turf management
For nearly forty years, Lion van Logten has been working in public green maintenance. He started as a grounds worker and parks maintenance employee and advanced to coordinator and sports field manager for the Municipality of Heusden.
Today, he oversees more than 45 football pitches, plus several hockey, handball, and athletics facilities.

“We handle almost everything ourselves, except for major renovations and heavy maintenance.
I always say: I’d rather mow once more than have to sweep — it saves both time and money.”

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Consistent growth with controlled release

Six years ago, Heusden switched to Mivena Controlled-Release Fertilizers (CRF), supplied by Vitagro.
Since then, the turf growth has become smoother and more predictable. While previous fertilizers caused visible peaks and dips, the CRF program ensures even, steady development throughout the season.

“With Mivena, the grass grows much more evenly.
It’s ten times better — maybe even fourteen.”

Mivena’s temperature-responsive coating follows the soil temperature. Nutrients are released only when the grass is actively growing, minimizing losses and keeping growth consistent — even through changing weather.

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Smart seeding: strong base, fast recovery

Heusden deliberately opts for two grass species, each with its own role. During renovations we sow in two stages: first the smooth-stalked meadow grass, and after five mowing cycles we overseed with perennial ryegrass. The meadow grass forms a ‘concrete layer’ at the base of the turf: strong horizontal runners with deep roots that create a stable, firm foundation. The perennial ryegrass above it provides fast coverage, a fresh green colour and strong recovery after wear. Together they create a dense, durable turf that maintains its quality even under heavy use.

“Bluegrass holds the turf together; ryegrass fills up quickly and looks sharp.”

A proper starter fertilizer helps the turf close faster, minimizing weed pressure.
The result is a dense, resilient playing surface that stays strong even under heavy use.

“Deep, lateral rooting from bluegrass builds the load-bearing ‘foundation’; ryegrass finishes the surface for quick recovery and colour.”

This root structure explains why goal areas stay intact longer and recover faster. The stable lower layer spreads load, while the upper layer regrows quickly.

Heusden fertilization program (2023)

Each sports park is soil-tested and calculated individually.
Most fields receive four main applications per year, adapted to season and use intensity:

Period	Product	Purpose	Avg. dose
March–April	Granucote CRF 30-5-6+2MgO (3M)	Spring base with CRF	100–150 kg/ha
June	Greenstar 22-9-9+2MgO (2–3M)	Summer growth and color	100–150 kg/ha
After renovation (Jul/Aug)	Starter 10-10-10+10 SO₃	Boost for goal areas	± 50 kg/ha
August	Greenstar 22-9-9+2MgO (2–3M)	Late-summer feed	100–140 kg/ha
Sept–Oct	Greenstar 13-0-7+6MgO+3CaO (5–6M)	Hardening & winter prep	100–150 kg/ha
Winter	Gypsum granulate	Structure & Ca balance	Field-specific

Additional field practice:
Coated seeds with fertilizer around them help reduce bird damage. This applies especially to renovated fields, as we sow the meadow grass on top of the soil and then work it in using a Cambridge roller, ensuring an even start. Where necessary, we make occasional nitrogen adjustments with the field sprayer.

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Practical efficiency on the field

Heusden keeps the program compact and manageable for a small team. Four application moments per year are sufficient in most cases. Big bags of 500 kg keep the logistics light and safe. GPS-guided mowing robots at two clubs take over repetitive work and improve spreading accuracy by creating fixed driving lines. Thanks to the even nutrient release, growth peaks disappear, brushing is needed less often, and goal areas stay dense for longer.

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Conclusion

What started as a search for less fluctuation and more control has become a proven system for consistent turf quality.
Heusden demonstrates that the right mix of controlled-release feeding, smart grass composition, and practical planning can truly make the difference.

Consistent growth — without peaks.

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