The appraisal and analysis on benefits of water and soil conservation under the different planting pattern in loess hilly area

Su Min; Lu zhongfan; Zhang xingchang; Li Gouxia

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The appraisal and analysis on benefits of water and soil conservation under the different planting pattern in loess hilly area

- The appraisal and analysis on benefits of water and soil conservation under the different planting pattern in loess hilly area
- Bulletin of Soiland Water Conservation Vol. 9, Issue 4, Pages: 46-52(1990)
- 作者机构：
  
  中国科学院、水利部西北水土保持研究所
- 作者简介：
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- Published：1990
- 稿件说明：
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Su Min, Lu zhongfan, Zhang xingchang, et al. The appraisal and analysis on benefits of water and soil conservation under the different planting pattern in loess hilly area[J]. Bulletin of Soiland Water Conservation, 1990, 9(4): 46-52.
DOI：

Su Min, Lu zhongfan, Zhang xingchang, et al. The appraisal and analysis on benefits of water and soil conservation under the different planting pattern in loess hilly area[J]. Bulletin of Soiland Water Conservation, 1990, 9(4): 46-52. DOI：

摘要

本文以草灌带状间作、草粮带状间轮作6年试验资料为依据

按水保性能的强弱对不同处理的种植方式进行了分类。利用贝叶斯多类逐步判别法验证了经验分类的准确性。最后用模糊聚类法对不同种植方式的水保效益进行了分析与评价。结果表明:它们水保性能由强到弱的顺序为:柠条→柠条+牧草间作→单种牧草→草粮带状间轮作→粮食作物水平沟种植→普种粮食作物。

Abstract

In this paper

based on experiment data from different treatment such as grass-bush band intercropmg. Grass-crop band rotation for 6yelus

different planting patterns were classified with their conservation benefits And its accuracy is verified using Bayes stepwise discrimination analysis.Then

the Conservation benefits of ecch planting pattern was analyged and evaluated. The results show that the sequence of conservation benefits from high to low is like: caragana→intercroping of caragana and grss→grass alone→band intercroping of crop and grass→crop levelling planting→crop general planting.

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