General anti-insect cotton fertilization principle
All insect-resistant cottons require more organic and potash fertilizers. Therefore, basic fertilizers must be re-applied, flower and bell fertilizers should be applied stably, top dressings should be applied topically, organic fertilizers, micro-fertilizers, and all potassium fertilizers should be used. In particular, organic fertilizers should be increased. Potassium application rate. The basic application of phosphate fertilizer was 70%, and nitrogen fertilizer was applied 60%. The rest of the fertilizer was applied during flowering period and the foliar surface was supplemented with fertilizer.
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