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中国农学通报 ›› 2005, Vol. 21 ›› Issue (4): 295-295.

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Study on Economic and Ecological Environment Effects of Ecological Cropping Patterns in Small Watershed

姚荣江,何丙辉   

  • 出版日期:2005-04-05 发布日期:2005-04-05

Study on Economic and Ecological Environment Effects of Ecological Cropping Patterns in Small Watershed

Yao Rongjiang, He Binghui   

  • Online:2005-04-05 Published:2005-04-05

摘要: 在三峡库区典型紫色土坡耕地,设置了四种生态种植模式,进行经济和生态环境效应的研究。结果表明:投入产出比,梨×连翘/花生>桃×连翘/花生>桃/花生>梨/花生>CK,其中梨×连翘/花生与桃×连翘/花生模式分别比对照提高69.9%和65.5%,;影响果树冠幅的主要因子是土层厚度、坡位与种植模式;套种连翘的二种模式须根量明显比其它模式高,树种根系分布特征、种植密度和土层厚度是影响须根量的主要因素;种植模式和坡位均显著影响土壤孔隙度的发育,各种植模式的土壤孔隙度顺序:梨×连翘/花生>桃×连翘/花生>桃/花生>梨/花生

Abstract: A study on the economic and ecological environment effect of four ecological cropping patterns were set up in typical purple soil of Three Gorges Reservoir area. Research results show:The ratio of input to output of these patterns: the pear ×Weeping For