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我场几年来都采用氰胺化钙(CaCNa)脱叶,由于成本高,有剧毒,脱叶率不高,使用很不方便,不能适应大面积机械收花的要求.1959年,对苏联新制成的棉花脱叶催熟剂—氯酸镁(Mg(Clo3)2)进行试制和田间试验.因为根据苏联和新疆八一农学院的试制试验材料,都证明氯酸镁是一种良好的棉花脱叶催熟剂,不仅脱叶快,脱叶率高,还有良好的催熟作用.现将试制和试验情况分述如下.
Due to the high cost, high poisonousness, low rate of defoliation and inconvenient use, it can not meet the requirement of large area mechanical flower collection.In 1959, Newly developed cotton leaf defoliation agent - magnesium chlorate (Mg (Clo3) 2) trial and field trials, because according to the Soviet Union and Xinjiang Bayi Agricultural College trial production of test materials, have proved that magnesium chlorate is a good Of cotton leaf defoliation ripening, not only fast defoliation, leaf defoliation rate, there is a good role in ripening trial production and test are as follows.