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li yong da xing nong ji zhua hao qiu ji shen song zheng di gong zuo
Author(s): 
Pages: 16
Year: Issue:  3
Journal: Farm Machinery Using & Maintenance

Abstract:  黑龙江省青冈县地处松嫩平原中部,现有耕地236万亩,是以粮食生产为主的农业县,县辖15个乡镇,165个行政村.全县农机总动力35万kW,拖拉机保有量16500台,其中大型拖拉机380台,配套农具886台.现已成立3个大型农机专业合作社.由于我县长期采用铧式犁翻耕和旋耕机耕作,造成耕地土壤板结,耕层变浅,犁底层加厚上移,保水保肥能力下降,使全县农业生产发展受到严重影响,必须下大力气推广机械深松作业...
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