Cotton package fertilizer and fertilization method thereof
A fertilization method and a set fertilizer technology, applied in the direction of fertilization method, fertilization device, nitrogen fertilizer, etc., can solve the problems of fertilizer waste, soil salinization, water and soil loss, etc., and achieve the goal of reducing insect pests and diseases, promoting growth, and promoting fruit growth Effect
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Embodiment 1
[0036] Apply basal fertilizer at a rate of 30 kg / mu from cotton seeding to emergence; apply seedling fertilizer at a rate of 20 kg / mu at cotton seedling stage; apply bud stage fertilizer at a rate of 8 kg / mu at cotton bud stage; In the flowering and boll stage of cotton, apply the fertilizer at the flowering and boll stage at a rate of 10 kg / mu; at the cotton boll opening stage, apply the fertilizer at the boll opening stage at a rate of 5 kg / mu. Wherein, base manure and seedling stage fertilizer all contain the nitrogen of 15 weight parts, the phosphorus of 15 weight parts, the potassium of 8 weight parts and the humic acid of 1 weight part; 20 parts by weight of potassium; the fertilizer at the flowering and boll stage and the fertilizer at the floc opening stage both contain 12 parts by weight of nitrogen, 15 parts by weight of phosphorus, 8 parts by weight of potassium and 1 part by weight of humic acid. The above-mentioned nitrogen is mainly provided by humic acid urea, p...
Embodiment 2
[0038] Apply basal fertilizer at a rate of 40 kg / mu from cotton seeding to before emergence; apply seedling fertilizer at a rate of 25 kg / mu at the cotton seedling stage; apply bud stage fertilizer at a rate of 12 kg / mu at the cotton bud stage; The flowering and boll stage fertilizer is applied at the rate of 18 kg / mu at the flowering and boll stage of cotton; the fertilizer at the boll opening stage is applied at a rate of 10 kg / mu at the boll opening stage.
[0039] Wherein, the base fertilizer and the seedling fertilizer all contain 20 parts by weight of nitrogen, 25 parts by weight of phosphorus, 16 parts by weight of potassium, 5 parts by weight of humic acid, 0.5 parts by weight of magnesium, 1.5 parts by weight of sulfur, 4.5 parts by weight of The copper of iron, 0.3 weight part, the manganese of 0.8 weight part, the zinc of 0.8 weight part and the boron of 0.01 weight part; Bud period fertilizer contains the nitrogen of 15 weight parts, the phosphorus of 12 weight part...
Embodiment 3
[0042] Apply basal fertilizer at a rate of 35 kg / mu from cotton seeding to emergence; apply seedling fertilizer at a rate of 22 kg / mu at cotton seedling stage; apply bud stage fertilizer at a rate of 10 kg / mu at cotton bud stage; The flowering and boll stage fertilizer is applied at the rate of 15 kg / mu during the flowering and boll stage of cotton; the fertilizer at the boll opening stage is applied at a rate of 8 kg / mu during the cotton boll opening stage.
[0043] Wherein, the base fertilizer and the seedling fertilizer all contain 18 parts by weight of nitrogen, 20 parts by weight of phosphorus, 12 parts by weight of potassium, 3 parts by weight of humic acid, 1.5 parts by weight of magnesium, 3 parts by weight of sulfur, 7 parts by weight of Iron, the copper of 0.5 weight parts, the manganese of 1.2 weight parts, the zinc of 1.2 weight parts and the boron of 0.03 weight parts; Bud stage fertilizer contains the nitrogen of 20 weight parts, the phosphorus of 18 weight parts,...
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