The principles and methods of konjac fertilization

Konjac is a tuber crop that requires a large amount of fertilizer and is required to be planted on soils with good soil fertility, loose soil, and high organic matter content. The principle of fertilization: First, re-application of basic fertilizer, the amount of basic fertilizer should account for more than 70% of the total use of fertilizer, or even all can be used as base fertilizer; Second, the top dressing is applied less or not; three is mainly organic fertilizer, chemical fertilizer is auxiliary.

The application method is to use 2500-3000 kg of rotten farmyard fertilizer, 50 kg of calcium phosphate phosphate, and 15:15:15 nitrogen-phosphorus potassium fertilizer as base fertilizer for 30-50 kg per acre before planting. Into. According to the fertility of the soil, the fertilizer is applied in combination with cultivating soil in the growth process of konjac, 10 kg of urea mu and 10 kg of compound fertilizer. The topdressing should be carried out after the dew on the sunny day, and the soil immediately after top dressing. Careful attention during the topdressing process, do not hurt the plant, leaving artificial wounds, so as to avoid plant disease.