Precautions for applying potassium fertilizer in rice

Potassium fertilizer in rice can achieve significant yield increase. Because potassium is sufficient to enhance photosynthesis, promote sugar synthesis and accumulation, improve plant resistance, enhance rice root respiration, promote nitrogen uptake and protein synthesis, and make plants full of grain, high yield and stable yield.

The following three points must be noted when applying potassium fertilizer. Tian Duo Shi, which contains less potassium, is less applied; higher stalks are applied more, dwarf stalks are less applied; hybrid rice is more applied, and conventional varieties are less applied. Tests show that: 7.5 ~ 10 kg of potassium chloride per mu, the greatest economic benefit.

Fertilize at a suitable time. Rice needs the most potassium in the tillering stage and the panicle differentiation stage. Potassium fertilizer is applied once, preferably in the tillering stage; for two applications, it should be applied in the tillering stage and the young panicle differentiation stage.

Cooperate with fertilization. Potassium should be combined with phosphorus and nitrogen to fully exert its effectiveness. Generally, the ratio of nitrogen, phosphorus and potassium is preferably 1:0.5:1.2.

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