Shandong Aolansu Environmental Protection Technology Co., Ltd.
Shandong Aolansu Environmental Protection Technology Co., Ltd.
Products

Factory Direct Diammonium Phosphate (DAP) Fertilizer for Global Buyers

High-concentration and fast-acting dual nutrition, empowering high yield and high quality of crops. Diammonium Phosphate (DAP) features a total nutrient content of up to 64%. It is produced from high-quality phosphate rock raw materials with low heavy metal content and excellent activity. Compared with ordinary phosphate fertilizers, it provides a longer-lasting fertilizer effect and a higher utilization rate, making it suitable for all types of soils and crops. It can be applied as a base fertilizer to establish a strong foundation for crop growth or as top dressing to supplement nutrient deficiencies. Diammonium Phosphate effectively addresses issues such as nitrogen and phosphorus deficiency and weak crop growth, making it an ideal fertilizer solution for increasing agricultural yields and improving farmers’ income.

Product Parameters

Parameter Name Specific Specifications
Content Total nutrient ≥53%-64%; common ratios: 18-46-0, 16-44-0
CAS No. 7783-28-0
Specification & Packaging Regular packaging: 50kg/bag, 1000kg/bag; woven plastic packaging with moisture-proof and anti-caking properties
Customizable Packaging Customizable specifications, printing, logo, and color according to customer requirements
Water Solubility Highly soluble in water, water-soluble phosphorus ≥95%, no residue, suitable for drip irrigation and flushing application
Scope of Application Suitable for various crops such as corn, wheat, rice, vegetables, fruits, and more
Product Appearance 2–4mm granules

Product Features

1. High Concentration and High Efficiency

High total nutrient content with a synergistic nitrogen-phosphorus effect, providing rapid fertilization and a utilization rate approximately 20% higher than ordinary phosphate fertilizers.

2. Excellent Physical Properties

Uniform and round particles with moderate hardness, resistant to agglomeration, and convenient for storage, transportation, and mechanical application.

3. Wide Adaptability

Alkaline in nature (pH≈8), helping adjust acidic soil conditions. Suitable for all soil types and crops including wheat, corn, rice, fruits, vegetables, and cotton.

4. Safe and Mild Formula

Produced using high-quality raw materials without harmful impurities. Long-term use does not cause soil compaction or crop root damage.

5. Multi-functional Usage

Can be directly applied as fertilizer and also serves as a premium raw material for the production of compound fertilizers and BB fertilizers.

Application Scenarios

Aolansu Diammonium Phosphate (DAP) is mainly used as a base fertilizer, with a recommended deep application depth of 15–20cm. It can also be used as topdressing during the early growth stages of crops. The product is suitable for a wide range of field crops, cash crops, fruit trees, and vegetables.

It is especially effective for phosphorus-deficient soils, newly reclaimed land, and cold or wet soils. The fertilizer promotes root development, enhances crop resistance to drought, cold, and lodging, and improves both crop yield and product quality.

In modern integrated water and fertilizer systems, Diammonium Phosphate can also be applied through drip irrigation and flushing fertilization, enabling precise nutrient management while reducing nutrient loss.

Product Details and Multi-directional Display

1. Appearance

Grayish white, light yellow, or brown granules with uniform color, no visible impurities, consistent particle size (2–4mm), excellent fluidity, and no agglomeration during spreading.

2. Texture

Solid particle texture with strong hardness and resistance to breakage. Dissolves rapidly in water, producing a clear solution without precipitation or residual impurities.

3. Purity

Manufactured from premium phosphate rock and liquid ammonia using advanced production technology. Heavy metal content is far below national standards and fully complies with green agricultural production requirements.

4. Packaging Details

Utilizes thickened woven plastic packaging with built-in moisture-proof inner film and strong sealing performance, effectively preventing moisture absorption, caking, and fertilizer leakage during long-term storage and transportation.

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Slow Release DAP

Slow Release DAP

AOLANSU Slow Release DAP (CAS No. 7783-28-0; Molecular Formula: (NH₄)₂HPO₄) is a highly efficient, slow-release nitrogen-phosphorus compound fertilizer developed by Shandong Aolansu—a professional Chinese manufacturer—as an upgraded version of traditional DAP. It boasts a total nutrient content (N + P₂O₅) of ≥64%.
Agricultural DAP

Agricultural DAP

AOLANSU Agricultural DAP (Diammonium Phosphate; CAS No. 7783-28-0) is a high-concentration compound fertilizer containing both nitrogen and phosphorus. It boasts a total nutrient content (N + P₂O₅) of ≥64%, with nitrogen accounting for ≥18% and available phosphorus (P₂O₅) for ≥46%. With a nitrogen-to-phosphorus ratio of approximately 1:2.5, it is suitable for the vast majority of crops and soil types worldwide. As a professional manufacturer of agricultural fertilizers in China, AOLANSU leverages its own dedicated production facility to employ eco-friendly manufacturing processes. Our products comply with both the Chinese National Standard GB 10205-2009 and ISO dual certifications, offering key advantages such as high nutrient density, easy absorption by plants, long-lasting efficacy, and minimal environmental impact.
Aolansu is a professional Diammonium Phosphate (DAP) manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
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