摘要
通过人工作业和机械化作业的对比分析 ,指出机械化作业的显著优势 。
The advantages of mechanical works through the contrast of manpower and mechanize was explained,and important evidences for mechanical planting works was provided.
出处
《延边大学农学学报》
2000年第4期297-299,共3页
Agricultural Science Journal of Yanbian University
关键词
覆膜
铺膜
机械化企业
效益分析
人工作业
film covering
film spreading
cost
benefit
manpower
mechanize
