From the yield, supreme yield was the treatment under nitrogenous acid phosphorus acid potassium fertilizer, second were phosphorus and phosphorus acid potassium fertilizer, potassium fertilizer have little production.
From the yield, supreme yield was the treatment under nitrogenous acid phosphorus acid potassium fertilizer, second were phosphorus and phosphorus acid potassium fertilizer, potassium fertilizer have little production.
从经济产量结果看，氮磷钾肥配施的产量最高，其次为单施磷肥和磷钾肥配施，单施钾肥增产效应不大。