China Controlled-Release NPK Compound Fertilizer - Suppliers and Factory for Optimal Crop Growth

Discover the benefits of controlled release fertilizers, specially designed to provide essential nutrients consistently throughout the crop growth cycle. As a top choice among China suppliers, these fertilizers enhance yield, minimize nutrient loss, and simplify the fertilization process. Our controlled release fertilizers continuously release nutrients tailored to the specific needs of crops at every growth stage. With these fertilizers, you can ensure that your crops are protected from excessive salt stress during the seedling phase, while also receiving the necessary nutrients during the maturity stage for optimal growth.

Manufactured in our advanced factory, controlled release fertilizers are easy to apply and only require a single application, leading to significant cost savings. They effectively reduce nutrient loss and improve nutrient utilization efficiency (NUE), allowing farmers to use less fertilizer without compromising yields. Experience the advantages of uniform crop growth and the potential for increased yields while using minimal fertilizer. Trust in our controlled release fertilizers for a sustainable and efficient approach to crop nutrition.

Key Benefit

Product Description

1. Promote absorption and resistance

Improve root adhesion, increase trace element absorption, prevent crop deficiencies, and enhance crop photosynthesis.

2. Reasonable nutrition formula

The nitrogen, phosphorus, and potassium ratio is reasonable, the particles are uniform, the nutrient content is sufficient, and the fertilizer effect is more durable.

3. Increase production and income

The quality is excellent, the quality of agricultural products is good, and the effect of increasing crop yield is remarkable.

Available in low chloride (potassium from SOP) or MOP base
Fast acting Nitrogen source from ammonium and nitrate
Perfect granular (90 % granules within 1-4 mm) High available phosphate (80 % water-soluble)
Even nutrients in each granular

Controlled-release compound fertilizer (1)

Improve corn nutrient absorption, reduce bare tip rate, increase yield.

Controlled-release compound fertilizer (2)

The average yield increase 8.3%, 9.8% and 12.5% on corn, rice and tomato accordingly

Specification

Total-N%	NO3 %	NH4 %	P2 O5 %	K2 O%
14	4.6	9.4	14	14
14	4.6	9.4	14	14
14	4.6	9.4	14	14
13	4	9	13	13
20	7	13	8	10
20	7	13	8	10
19	7	12	7	9
18	6.3	11.7	7	8
18	6.3	11.7	7	8
14	4.6	9.4	5	23
13	4	9	4	22
13	4	9	4	22
13	4	9	4	22

Usage Scenarios

High-Value Horticulture: Widely used for container-grown plants (nursery stock, ornamentals, vegetables), greenhouse crops, and turfgrass (golf courses, sports fields, lawns) where precise nutrition and reduced labor are critical.

Large-Scale Field Crops: Increasingly adopted for staple crops like corn, rice, and wheat, especially in regions prone to leaching or where labor costs are high, improving efficiency and yield stability.

Sandy Soils & High Rainfall Areas: Particularly beneficial in soils with low nutrient retention or areas with heavy rainfall, where conventional fertilizers are easily washed away.

Long-Season Crops & Perennials: Ideal for fruit trees, vineyards, and other crops with extended growing seasons needing sustained nutrition.

Precision Agriculture & Reduced Access Areas: Useful where frequent field access for top-dressing is difficult, expensive, or undesirable. Simplifies fertilization programs.

Frequently Asked Questions

How does this fertilizer promote root absorption and resistance?

It improves root adhesion, increases the absorption of trace elements, prevents crop nutrient deficiencies, and enhances crop photosynthesis.

What are the available potassium bases for this compound fertilizer?

This fertilizer is available in either a low chloride base (potassium sourced from SOP) or a MOP base to suit different crop requirements.

What is the granule size and solubility of the fertilizer?

It features a perfect granular structure with 90% of the granules sized within 1-4 mm, and high available phosphate that is 80% water-soluble.

Under what soil conditions is this fertilizer most beneficial?

It is particularly beneficial in sandy soils with low nutrient retention and in high rainfall areas where conventional fertilizers are easily washed away by leaching.

What is the expected yield increase for crops like corn, rice, and tomato?

Field data shows an average yield increase of 8.3% for corn, 9.8% for rice, and 12.5% for tomatoes. It also reduces the bare tip rate in corn.

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