Determination of Application amount of Watermelon Base Fertilizer

The application of watermelon base fertilizer should consider the characteristics of plant fertilizer requirements, climatic conditions, soil fertility, variety maturity and other comprehensive decisions. The nitrogen, phosphorus, potassium and organic matter content of soil can best be quantified by analytical determination. The amount of base fertilizer generally accounts for about 30% of the total amount of fertilizer, mostly quick-acting fertilizer and manure, cake fertilizer and other organic fertilizer mixed application, 2000 to 3000 kg manure per mu can be used as base fertilizer.