How to fertilize sweet potato with high yield?

How to fertilize sweet potato with high yield? Ask netizens to help guide sweet potato planting reasonable fertilization can prevent premature senescence, maintain the assimilation ability of leaves, promote the transport of nutrients to the root tuber, so as to increase yield. The farming network has sorted out the fertilization methods of sweet potatoes, which are listed below for netizens' reference. Method 1. The general field can be sprayed with 0.4% 0.5% urea and potassium dihydrogen phosphate mixture, once every 7-10 days, a total of 2-100 kg fertilizer solution per mu, and the appropriate spraying time is sunny evening. Method 2. 0.2% potassium dihydrogen phosphate solution or 2%-3% superphosphate leaching solution can be sprayed on fields with prosperous growth and high fertility level. Method 3. 0.5% urea can be sprayed on weak hilly slopes, plain sandy land or fields with a tendency of premature senescence. Method 4. The seam was filled with 3%-5% potassium sulfate solution or 10%-20% plant ash leaching solution along the ridge, with fertilizer solution 100-150 kg per mu. For fields with a tendency of premature senescence, 2% ternary compound fertilizer solution can be used. Click to get more sweet potato planting techniques click to get more vegetable planting techniques