China NPK Organic fertilizer Suppliers
Organic Fertilizer is mainly derived from plants and animals, it is a carbon containing material which is applied to the soil to provide plant nutrition as its main function. Through the processing of biological substances, animal and plant wastes and plant residues, the toxic and harmful substances are eliminated and beneficial substances are increased, including a variety of organic acids, peptides, and rich nutrient elements nitrogen, phosphorus and potassium. It can not only provide comprehensive nutrition for crops, but also can increase and update soil organic matter, promote microbial reproduction, improve the physical and chemical properties and biological activity of soil, which is the main nutrient of green food production.
| | Organic fertilizer 1 | Organic fertilizer 2 |
| N+P2O5+K2O | 8%min | 10%min |
| Nitrogen content | 10%min | 16%min |
| K2O contect | | 2min. |
| As | 15mg/kg max | 15mg/kg max |
| Hg | 2mg/kg max | 2mg/kg max |
| Pb | 50mg/kg max | 50mg/kg max |
| Cr | 150mg/kg max | 150mg/kg max |
| Cd | 3mg/kg max | 3mg/kg max |
| PH Value | 5.5-8.0 | 5.5-4.0 |
| Moisture | 6% max | 6% max |
| Humic acid | 10% min | 10% min
|
Application Range
It is suitable for all crops and plants.
Application Method and Amount
As base fertilizer, the amount is no more than 1 ton per acre; for greenhouse, no more than 500 kg per acre.
As additional fertilizer: broadcast in rows, holes, and circles (for fruit trees).
The amount should be adjusted in accordance with different crops, soils, types, and outputs.
