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1976年,针对低温寡照的不利情况,我们进行了水稻应用磷酸二氢钾的试验和大面积生产示范,收到了一定的增产效果。1.秧苗叶面喷施。出苗后喷施磷酸二氢钾
In 1976, in response to the unfavorable conditions of low temperature and low light, we conducted experiments and large-scale demonstration of the production of potassium dihydrogen phosphate in rice and received some stimulation effects. 1. Seedlings spraying the leaves. Spraying potassium dihydrogen phosphate after emergence