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多年来,大面积栽培大豆因施肥方法不当,再加上施肥量逐年增加,直接影响大豆亩保苗数和产量,这是大面积大豆栽培管理措施上的一大教训。为了获得大豆丰产,近几年对大豆施用化肥的方法进行研究试验,采用侧施、混施、深施等不同方法对比试验。其结果是深施比侧施好,侧施比混施好,深施比侧施增产4％,比混施增产13％,比不施增产54％。从1982—1985年,海拉尔农管局推广大豆深施化肥面积3.8万余亩,每年均表现增产,亩增产大豆30—130斤,提高出苗率30—35％,
Over the years, large-scale cultivation of soybean due to inappropriate methods of fertilization, coupled with the amount of fertilizer increased year by year, a direct impact on the number of acres of soybean seedlings and yield, which is large-scale soybean cultivation management measures a major lesson. In order to obtain high yield of soybean, in recent years, the method of applying chemical fertilizer to soybean has been studied and tested. The contrast test is carried out by different methods such as lateral application, mixed application and deep application. As a result, deep application was better than that of side application, and side application was better than that of mixed application. The yield was 4% higher than that of deep application, 13% higher than that of mixed application and 54% less than that of no application. From 1982 to 1985, Hailar Agricultural Management Bureau to promote soybean deep fertilizer area of 38000 acres, the annual performance of yield, increase production of soybean 30-130 pounds, increase the emergence rate of 30-35%