Principles of wheat base fertilizer application

Principles of wheat base fertilizer application:

1. Soil testing and formula fertilization shall be implemented according to technical requirements.

2, coating slow release fertilizer once, 50 kg per mu, no more topdressing later.

3, wheat special compound fertilizer (or BB fertilizer) 40-50 kg per mu (N, P, K content of more than 40%).

4. 20 kg of diammonium phosphate, 5-7.5 kg of urea, 10 kg of potassium chloride and 1 kg of zinc sulfate per mu.

5.Apply 50 kg (16% content) or 75 kg (12% content) of calcium superphosphate per mu, 40-50 kg of ammonium bicarbonate, 10 kg of potassium chloride and 1 kg of zinc sulfate.

Yang Yuqiao