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为了寻求磷酸二铵做小麦种肥的适宜用量及增产效果,我们分室内、田间两种方式进行试验。室内用小麦科春14号种子2克,美制磷酸二铵分别为0.5克、1克、1.5克、2克,以不施肥做对照。小麦种与磷酸二铵混合均匀播种,重复2次,共10盆,每盆播种面积2.5平方厘米。田间试验按每亩用磷酸二铵10、15、20、25斤,和小麦种子混合均
In order to seek the suitable dosage of DAP to make wheat seed fertilizer and increase the yield, we conducted the experiment in two ways, indoor and field. Indoor wheat Kechun 14 seeds 2 grams, the United States DAP were 0.5 grams, 1 gram, 1.5 grams, 2 grams, to not fertilize the control. Wheat and diammonium phosphate mixed sowing, repeated 2 times, a total of 10 pots, sown area of 2.5 square centimeters per pot. Field trials using 10,15,20,25 pounds of ammonium phosphate per acre, and wheat seeds were mixed