| 多年固定道保护性耕作对土壤结构的影响 |
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| 引用本文： | 陈 浩,李洪文,高焕文,王晓燕,何 进,李问盈,王庆杰.多年固定道保护性耕作对土壤结构的影响[J].农业工程学报,2008,24(11):122-125. |
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| 作者姓名： | 陈 浩 李洪文 高焕文 王晓燕 何 进 李问盈 王庆杰 |
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| 作者单位： | 中国农业大学工学院农业工程系,北京,100083 |
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| 基金项目： | 中国-澳大利亚合作项目课题"旱地农业可持续机械化生产体系研究" |
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| 摘 要： | 为了解决拖拉机作业机组作业时造成的土壤普遍压实,在10a连续固定道保护性耕作试验基础上,研究了固定道保护性耕作对土壤容重、孔隙度、紧实度、水分以及冬小麦产量的影响。试验结果表明,对于作物生长带,固定道保护性耕作可以降低0～20cm土层的容重6.8%,提高0～40cm土层土壤总孔隙度4.6%,降低0～30cm土层土壤紧实度31.5%,提高0～1m土层蓄水能力,在固定道占地20%的情况下,仍能提高冬小麦产量10.8%。因此,固定道保护性耕作是减少土壤压实、改善土壤结构、提高小麦产量的有效耕作方式。
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| 关 键 词： | 保护性耕作 压实 土壤结构 固定道 产量 |
| 收稿时间： | 2007/11/29 0:00:00 |
| 修稿时间： | 2008/3/31 0:00:00 |
Effect of long-term controlled traffic conservation tillage on soil structure |
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| Chen Hao,Li Hongwen,Gao Huanwen,Wang Xiaoyan,He Jin,Li Wenying and Wang Qingjie.Effect of long-term controlled traffic conservation tillage on soil structure[J].Transactions of the Chinese Society of Agricultural Engineering,2008,24(11):122-125. |
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| Authors: | Chen Hao Li Hongwen Gao Huanwen Wang Xiaoyan He Jin Li Wenying and Wang Qingjie |
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| Institution: | Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China,Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China,Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China,Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China,Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China,Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China and Department of Agricultural Engineering,College of Engineering,China Agricultural University,Beijing 100083,China |
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| Abstract: | |
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| Keywords: | conservation tillage compaction soil structure controlled traffic yield |
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