Late rice fertilization grasp "two points"
Potassium-enhanced potassium fertilizers do not have sufficient potassium, which can easily cause the shoots to grow thin, and their ability to resist disease decreases. When potassium deficiency is severe, it may cause upsets. Mushi 30 to 35 kilograms of 20% nitrogen and potassium compound fertilizer can also be used for 10 to 15 kilograms of potassium chloride. If the base fertilizer applied ammonium bicarbonate or compound fertilizer, the top dressing is generally used single fertilizer, mu urea 10 to 15 kg, potassium fertilizer 5 to 15 kg, according to the amount of base fertilizer corresponding increase or decrease. In the middle and late period, the ear fertilizer supplemented with panicle-grained fertilizer was used for the yellowing of the leaves and the lack of fertilizer. After the paddy field or the control of the open field, combined with rewatering, the application of urea was 2 to 3 kilograms, and the dosage should be strictly controlled; during the grain filling period, some Late flowering weaknesses are not strong under the scramble for nutrients, and they must be supplemented with grain fertilizers. In the full heading period, mu grain is 50 grams full, 250 grams urea is diluted to 50 kilograms, and foliar spray is applied.
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