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shuang zhong fan geng ji de yan zhi qing kuang
Author(s): 
Pages: 28-29
Year: Issue:  2
Journal: Cereals and Oils Processing

Keyword:  土壤压实作物产量翻耕心土田间试验双重机械化农业研制情况手工具机器;
Abstract: <正> 双重翻耕的好处很久以来就被使用手工具准备苗床的园艺工人所承认。然而,由于缺乏农业上合用的机器,这种技术没有在大田里采用。在机械化农业中,土壤压实的范围相信还会扩大,根据英国怀大学近年来许多人的研究表明,土壤压实会显著地降低作物产量。
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