研究简报

Effects of Long-Term Rice-Rice-Green Manure Rotation on Rice Yield

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  • 1Key Laboratory of Plant Nutrition and Nutrient Cycling of Ministry of Agriculture, China; Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China; 2Qiyang Agroecosystem of National Field Experimental Station, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences,Qiyang 426182, China; 3Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agricultural Sciences, Beijing 100081, China; *Corresponding author, E-mail: dch200707@yahoo.com.cn

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2010-11-10

Abstract

In order to study the potential yield of multiple cropping systems in red paddy soil in Southern Hunan Province, continuously improve the economic benefit and soil fertility, promote agricultural sustainable development, a longterm ricericegreen manure rotation experiment has been arranged since 1982. In the experiment, milk vetch(Astragalus sinicus), oilseed rape (Brassica napus) and rye grass (Lolium) were planted as green manures, and represented by T1, T2 and T3, respectively, and winter fallow as CK. Compared with CK, planting green manures could promote rice yield with the order of T1>T2>T3. The difference of annual rice yield between planting green manures and CK increased with the passing years, so did the differences between T1 and T2, T1 and T3, T2 and T3.

Cite this article

GAO Ju-sheng,CAO Wei-dong,DONG Chun-hua,XU Ming-gang,ZENG Xi-bai,WEN Shi-lin, .

Effects of Long-Term Rice-Rice-Green Manure Rotation on Rice Yield

[J]. Chinese Journal OF Rice Science, 2010 , 24(6) : 672 -676 . DOI: 10.3969/j.issn.1001-7216.2010.06.020

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