Summer peanut top dressing technical points
Summer peanuts need to be high-yielding, and fertilization should be done in such a way that “two catches, one shot and four fillsâ€. specifically is:
For the first time, the topdressing fertilizer was applied to crops of peanuts after harvesting. The fertilizing amount was 30-40 kg of mu peanut fertilizer, 10 kg of urea, 15 kg of diamine and 10 kg of potassium chloride.
The second time the top dressing began to swell in the young fruit, generally 10 kg of topdressing urea.
A spray that is later in the fertility urea 0.5 kg plus potassium dihydrogen phosphate 0.2 kg water 50 kg foliar spray 2 to 3 times to prevent premature aging.
Four supplements supplement calcium fertilizer, molybdenum fertilizer, iron fertilizer, and boron fertilizer.
Phosphogypsum for calcium fertilizer, with 50 kg of phosphogypsum applied to the pod before the peanuts are sealed, molybdenum ammonium for molybdenum, sprayed twice at the seedling stage with 0.05% ammonium molybdate solution, iron fertilizer With ferrous sulfate, after the rain or irrigation with a concentration of 0.2% of the ferrous sulfate solution was sprayed 2 to 3 times, the boron fertilizer with boric acid, with a concentration of 0.1% boric acid solution was sprayed twice at the blooming flowering period.
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