Is highly intensive agriculture environmentally sustainable? A case study from Fugou County, China

文献类型： 外文期刊

第一作者： Tang, HJ

作者： Tang, HJ;van Ranst, E

作者机构：

关键词： cool dry steppe climate;environmental indicators;food security;multiple cropping;North China plain;soil fertility

期刊名称：JOURNAL OF SUSTAINABLE AGRICULTURE （ 影响因子：1.372； 五年影响因子：0.893 ）

ISSN： 1044-0046

年卷期： 2005 年 25 卷 3 期

页码：

收录情况： SCI

摘要： The intensive cropping system of ''four-crops four-harvests" or "five-crops five-harvests" per year developed in Fugou County, Henan Province is a rotation system with very high productivity. The yield reached 15,825 kg/ha, which is 2.5 times of the yield per unit area in the traditional cropping systems of two crops per annum practiced in Henan Province. However, the concern has been whether these highly intensive agricultural practices are environmentally sustainable. This study attempts to address this concern by investigating the environmental, impact of the highly intensive farming system in Fugou County. Based on the production and economic results and analysis of key environmental indicators (soil fertility change, groundwater level change and content of NO3-N in groundwater) over 12 years, we concluded that there is no significant resource depletion nor environmental degradation that occurred on the farm. However, more research should be oriented to the existing major problems and constraints affecting the highly intensive farming system since the data of the case study is still a short period of time. Finally, policy options for further improvement of the highly intensive farming are recommended.

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