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mian geng ji ju
Author(s): 
Pages: 48-54
Year: Issue:  11
Journal: Cereals and Oils Processing

Keyword:  免耕播种机免耕法耕作制度圆盘耙种植作物传统耕作土壤条件土壤含水量农场重粘土;
Abstract: <正> 采用免耕法种植作物,可使机具投资大为减少。犁、圆盘耙和其它耕作机具都不需要了,因而30~60马力的拖拉机就可使某些类型和规模的农场感到满意。免耕播种机的价格比传统播种机高,但是每行增加的费用很少超过100美元。
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