How to apply chemical fertilizer with farmyard manure

1. Application time : farmyard fertilizer is slow , it should be applied early, generally applied once before sowing; while the amount of chemical fertilizer is small , quick effect , generally should be applied about 3-7 days before the peak of crop absorption and nutrition .

2. Application method: The farmyard manure should be combined with deep tillage into the soil tillage layer, or combined with the ridges to buckle into the ridge bottom. Fertilizer with farmyard manure, 30% as base fertilizer, 70% as top dressing, phosphate fertilizer and potash fertilizer as base fertilizer applied once.

3. The amount of fertilization: the combination of chemical fertilizer and farmyard manure, the amount of which can be differentiated according to the different crop and soil fertility. For example, if you plant corn on a thin plot, you can apply 4 cubic meters of farmer's fertilizer per mu , 24 kilograms of urea , 13 kilograms of phosphate fertilizer (or 30 kilograms of nitrophosphate ); medium-fertilizer soil can produce 3 cubic meters of farmyard manure , 20 kilograms of urea , and phosphate fertilizer. 10 kg (or 25 kg of nitrophosphate ); high-fertility soil applied 2.5 m of organic fertilizer , 15 kg of urea , 8 kg of phosphate (or 20 kg of nitrophosphate ).