GP Standard 24-6-12+3

GP Standard 24-6-12+3

GP PREMIUM • CRF TECHNOLOGY

Professional universal fertiliser for turf maintenance during the main growing season

Short description: product section

GP Standard 24-6-12 is a professional universal fertiliser for fundamental turf maintenance during the main growing season. Balanced NPK with increased potassium maintains density, mechanical resilience and intensive colour during peak use. 50 % of total nitrogen is CRF-coated and gradually released, ensuring even nutrition for up to 3 months.

The product is designed for professional care of sports pitches, golf courses and intensively used green spaces, as well as high-quality prestigious, ornamental and domestic lawns.

Key properties

Professional universal fertiliser for turf maintenance during the main growing season;

Balanced NPK 24-6-12 formulation matched to the main season;

Increased potassium (12 %) supports mechanical resilience and stress tolerance;

50 % of total nitrogen is coated for controlled release (CRF);

Combines stable nutrition with reduced growth surges;

Maintains turf density and intensive colour during peak use;

Effective for up to 3 months after a single application;

Contains magnesium and sulphur to support photosynthesis and efficient nitrogen use.

Universal fertiliser for the main season

GP Standard is the second element of the GreenPlan Premium programme. NPK 24-6-12 is specifically designed for turf in intensive growth and peak use, from early summer to early autumn.

24 % nitrogen ensures seasonally appropriate growth without excessive above-ground development at the expense of density. Increased phosphorus (6 %) supports stable roots. High potassium (12 %), the formulation's focus, strengthens stems, regulates water balance and increases natural tolerance of drought, high temperatures and intensive use.

Magnesium (3 % MgO) and sulphur (2.4 % S) complete the formulation. Magnesium is central to chlorophyll and photosynthesis. Sulphur participates in amino acid and protein synthesis and supports efficient nitrogen use.

CRF technology, with 50 % of total nitrogen organically resin-coated, combines a clear initial response with even nutrition in following weeks. Turf develops steadily without excessive growth surges and remains fully resilient during intensive use.

How does CRF technology work?

CRF (Controlled Release Fertilizer) is a fertiliser whose nutrients are released in a controlled way.

Half of GP Standard's nitrogen-containing granules have a specialised organic resin coating. Moisture penetrates it, dissolves nutrients within the granule and enables gradual diffusion into the root zone. Release depends on coating properties and environmental conditions, particularly soil temperature and moisture.

CRF technology does not rely on demand-controlled nutrient uptake. The coating regulates nitrogen release independently of plant activity. Synchronisation arises because soil temperature and moisture, which govern the coating's action, also stimulate turf growth.

Nitrogen availability is consequently spread over time, promoting stable growth, reducing nutrient losses and lowering over-fertilisation risk.

Results of CRF technology

Even turf nutrition for many weeks after a single application;

Avoids growth surges typical of readily available fertilisers;

Reduces nitrogen losses through leaching and emissions;

Lower risk of local over-fertilisation;

More efficient nutrient uptake by the root system;

Greater turf resistance to drought and intensive use;

Predictable agronomic results throughout the effective period.

Applications

Fundamental turf maintenance during the main growing season;

Maintaining density and resilience during intensive use;

Fertilising sports and golf turf during the playing season;

High-quality ornamental, utility, prestigious and domestic lawns.

GP Standard: application and parameters

Application rate and coverage (25 kg)

Application instructions

Calculate the area to be fertilised and measure the appropriate quantity of fertiliser at the chosen application rate.

Spread evenly on dry turf, preferably using a calibrated spreader.

Avoid overlapping spreading passes and locally exceeding the application rate.

Water the turf after application to initiate nutrient dissolution and movement into the root zone.

Good professional practice

Apply during active growth with stable soil temperature and sufficient moisture.

Do not apply during prolonged drought without irrigation, or to frozen or waterlogged soil.

On larger areas, two passes in a cross pattern are recommended to distribute the granules evenly.

Avoid intensive turf use after application until irrigation or rainfall occurs.

In professional programmes, repeat every 8–12 weeks according to use intensity and climatic conditions.

Application conditions

Do not apply during frost, drought or strong sunlight. Do not exceed the recommended rate. Adjust the intensity of the fertilisation programme to grass type, soil conditions and use intensity.

Declared composition

Role in the GreenPlan Premium programme

GP Standard is the second element of the three-stage GreenPlan Premium fertilisation calendar:

March / April → GP Frühjahr: start of season, regeneration, effective for up to 3 months

June / July → GP Standard: main season, maintenance of turf density, effective for up to 3 months

September / October → GP Long: winter preparation, effective for up to 6 months

For users wishing to reduce maintenance operations, GP Long can replace two separate applications with one application providing extended effectiveness.

Frequently asked questions

When should GP Standard be applied? During the main growing season when turf grows intensively, generally May to August. The optimum point is around 10–12 weeks after GP Frühjahr, as the starter fertiliser's effect diminishes.

Does turf need watering afterwards? Yes. Watering initiates nutrient dissolution, reduces granules remaining on leaves and supports nutrient movement into the root zone.

How do GP Standard and GP Frühjahr differ? GP Frühjahr is a starter fertiliser with higher nitrogen (27 %) and lower potassium (11 %) for post-winter recovery. GP Standard has balanced nutrition with increased potassium (12 %) and 50 % CRF nitrogen for maintenance during peak use.

How soon does it work? Initial effects appear in the first days because uncoated nitrogen is available. The remaining CRF-coated nitrogen is gradually released over up to 3 months, at a rate regulated by soil conditions.

Does GP Standard cause growth surges? No. CRF technology, with 50 % of total nitrogen coated, reduces surges typical of fertilisers based exclusively on readily available forms. Nitrogen release is spread over time, promoting stable development.

When should GP Long be chosen instead? GP Long primarily provides extended effectiveness up to 6 months as an autumn or single-application all-season fertiliser. GP Standard maintains turf during the main season and responds more precisely to changing use conditions.

Is GP Standard suitable for domestic lawns? Yes. Although developed for professional sports facilities and green spaces, it performs well on prestigious, ornamental and domestic lawns with higher quality requirements, particularly those used intensively in summer.