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一、叶面喷施磷酸二氢钾通县胡各庄公社后北营大队,在玉米(丰收101)喇叭口期和吐丝期,每亩分别用2、3、4、5两磷酸二氢钾叶面喷施,分别增产4%、7.3%、11.3%、17.2%。在每亩用量5两的范围内,用量越大增产越多。该公社大营大队在“朝阳105”孕穗期和灌浆期分别喷施磷酸二氢钾,每亩用量5两,亩产667斤,比不喷的
First, the foliar application of potassium dihydrogen phosphate Tong Hu County Zhu commune team brigade in the North, corn (harvest 101) bell mouth and silking period, respectively, with 2,3,4,5 dihydrogen phosphate Potassium foliar spraying, respectively, an increase of 4%, 7.3%, 11.3%, 17.2%. In the amount of 5 acres per acre range, the greater the amount of more production. The commune battalion brigade in the “Chaoyang 105” booting and filling were sprayed with potassium dihydrogen phosphate, the amount of two acres per mu, 667 pounds per mu, than the non-spray