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：。该区水稻为高耗水作物,玉米、大豆相对耗水较少,可适当“压稻扩玉豆”,以一年一熟制为主,发展粮食作物单作,节水技术优先发展耕作保墒类、农业高效用水技术体系、覆盖保墒类等技术。 (2)东北旱区面临的主要

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