Controlled-Release NPK Compound Fertilizer from China Suppliers | High-Quality Factory Production
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
Improve corn nutrient absorption, reduce bare tip rate, increase yield.
The average yield increase 8.3%, 9.8% and 12.5% on corn, rice and tomato accordingly
Specification
| Total-N% | NO3 % | NH4 % | UREA-N% | 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
1. 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.
2. 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.
3. 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.
4. Long-Season Crops & Perennials
Ideal for fruit trees, vineyards, and other crops with extended growing seasons needing sustained nutrition.
5. Precision Agriculture & Reduced Access Areas
Useful where frequent field access for top-dressing is difficult, expensive, or undesirable. Simplifies fertilization programs.
Frequently Asked Questions (FAQ)
Q1: How does this fertilizer promote crop absorption and resistance?
It improves root adhesion and increases the absorption of trace elements. This helps prevent crop deficiencies and enhances photosynthesis, making crops more resilient.
Q2: What nitrogen sources are used in the formulation?
The formulation contains a fast-acting nitrogen source derived from both ammonium and nitrate to ensure efficient and timely nutrient delivery.
Q3: Is this fertilizer available in different potassium bases?
Yes, it is available in low chloride (potassium from SOP) or MOP base options to suit different crop requirements.
Q4: What is the granule size and water solubility of the phosphate?
The fertilizer features perfect granular sizing (90% of granules are between 1-4 mm) and contains highly available phosphate with 80% water solubility.
Q5: In which soil types and weather conditions is this fertilizer most beneficial?
It is particularly beneficial in sandy soils with low nutrient retention and in high rainfall areas, as it prevents nutrients from being easily washed away compared to conventional fertilizers.
Q6: What is the expected yield increase for staple crops?
Field applications have shown average yield increases of 8.3% for corn, 9.8% for rice, and 12.5% for tomatoes.