Potassium picking in paddy field is good
2018-06-29 20:02:04
In recent years, with the popularization of science and technology, the effect of potash fertilizer production has been increasingly accepted and recognized by the general public. However, many farmers in the Yellow Rice Region tend to have greater blindness when using potash fertilizer. They always feel the use of potassium sulfate. Better than potassium chloride, but it is not. As far as the actual agricultural production is concerned, potassium chloride has three distinct advantages over potassium sulfate: 1. High in content. Although potassium sulfate and potassium chloride are the same as quick-acting physiological acid fertilizers, their content is not the same. Potassium sulfate contains 50% K2O, while potassium chloride contains up to 60% K2O. 2, the price is low. The price of genuine potassium sulfate sold in the market is higher than that of potassium chloride by 300 to 400 yuan per ton, and the fertilizer marked as potassium sulfate in the rural market is mostly low-grade and low-quality fertilizer. 3, the use of good results. Potassium sulfate is applied in paddy fields, under the reducing conditions, the oxidized SO42- can easily be transformed into sulfides, which can easily cause poisoning to the plants. The Cl- of potassium chloride can inhibit nitrite and reduce nitrogen loss. Increase nitrogen use efficiency. Therefore, to remind the majority of rice farmers in the preparation of fertilizer in the preferred use of potassium chloride, under normal conditions, 15-20 kg.
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