甘肃农业大学农耕特色库

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中国北方地区节水农作制度研究: 作者： 王婧 来源： 沈阳农业大学 年份： 2009 文献类型： 学位论文 关键词： 北方地区节水节水技术节水农作制度种植模式; 描述： ium between the grain production and water resource: the drought and the irrigation area in northeast china, the drought and the irrigation region in Huanghuaihai area, the drought and the irrigation area in northwest china.The article analized the characteristic of water using of the main crops and the main cropping systems, compared the economic benefit of the water-saving planting patterns, studied the economic benefit, the water-saving benefit and participatory farmers survey results etc. of the water-saving technologies.; 全文：问题是如何节水养地,建立环境友好型的高效农作制度,主要通过节水种植模式的筛选与节水技术的配套提升来实现。该区玉米、大豆为高耗水作物,花生、谷子为低耗水作物,花生、谷子耗水量与降水量的耦合率好于大豆、玉米

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