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：优先发展地面灌溉节水技术、耕作保墒、节水灌溉制度等。 (6)西北旱区面临的主要问题是如何保护脆弱的生态,建立可持续的农业生产结构,主要通过节水种植结构调整来实现。该区玉米、大豆、马铃薯耗水水平近似,马铃薯

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