Peanut is a kind of nut that is abundant in production and widely eaten in China. It is also known as "longevity fruit" and "mud bean". It is a genus of the genus Rhododendron, an annual herbaceous plant with stems that are erect or sputum. It can be used as a raw material for cosmetics such as soap and hair oil. Today, I will talk about the key points of summer peanut topdressing:
Summer peanuts want to get high yield, apply fertilizer to "two chase, one spray and four supplements"
Topdressing a fire: Before the wheat harvest, the peanuts are smashed and topdressed early, and the amount of fertilizer applied is 30-40 kg of peanut fertilizer, 10 kg of urea, 15 kg of diamine, and 10 kg of potassium chloride.
Topdressing two fires: In the beginning of the expansion of young fruit, the average mu is 10 kg of urea.
A spray: in the late growth stage, use urea 0.5 kg plus potassium dihydrogen phosphate 0.2 kg water 50 kg foliar spray 2-3 times to prevent premature aging.
Four supplements: calcium supplementation, molybdenum supplementation, iron supplementation and boron supplementation. Phosphogypsum for calcium fertilizer. Apply 50 kg of phosphogypsum to the pod layer before the peanut seal, and use ammonium molybdate for the molybdenum fertilizer. Spray it twice with ammonium molybdate solution at a concentration of 0.05% at the seedling stage. Fertilizer ferrous sulfate, after rain or irrigation, spray 2-3 times with a concentration of 0.2% ferrous sulfate solution, boric acid with boric acid, spray with a concentration of 0.1% boric acid solution at the beginning flowering stage 2 times .
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