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The latest corn defertigation symptoms and control methods
Corn de-fertilization is called element deficiency disease because corn grows in the middle and late stages, because nutrients in the soil can only meet the needs of seedlings to tasseling stage, and it is believed that the applied base fertilizer and topdressing are absorbed by corn, and the de-fertilization symptoms begin to appear after entering the filling stage. do that to
2020-11-10 latest corn defertigation symptoms and control methods -
Intercropping of lettuce, ginger, watermelon and green vegetables
1. Topdressing: generally 2~3 times, the first time in mid-June, mu fertilizer 1000 kg plus 15 kg urea in the row, covered with thin soil. The second time in mid-July after the ginger, mu application of decomposed rapeseed cake 150 kg or compound fertilizer 30 kg; the third time in early September after the collapse of the shed and then apply a human manure, in case of defertigation.
2018-09-15