Since potassium can promote the synthesis of carbohydrates and operation, and therefore, sugar crops, starch crops, fiber crops and tobacco Potassium not only increase the yield, but also to increase the content of sugar and starch, improve quality; Fruit required potassium More, the application of potassium fertilizer has a good effect. Japan refers to potassium fertilizer as fruit fertilizer, because potassium fertilizer has a significant effect on fruit expansion . According to the statistics of 892 potash tests in several provinces ( regions ) in southern China , the growth of legume green manure was the largest, increasing yield by 44.3 to 135.1% , followed by potato, cotton, tobacco and oil crops, increasing yield by 11.7 to 43.3% , followed by corn, Rice, wheat, etc., increased production by 9.4 to 16% .
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