【摘要】 以长安区试验资料为基础,对西安市主要作物(冬小麦和夏玉米)生育期需水特性进行了分析,确定了它们在充分灌溉条件下的灌溉制度,冬小麦的灌溉定额为2060～2450m3/hm2,夏玉米的灌溉定额为2250～2775m3/hm2;并制定了3种一年两作非充分灌溉条件下的高产节水灌溉方案。更多还原

【Abstract】 Based on the data of field experiments, the paper analyzes the water requirement characteristics during growth period of the main crops (winter wheat and summer corn) in Xi’an city, and works out the sufficient irrigation system for wheat and corn respectively and three kinds of insufficient irrigation mode for wheat-corn multiple cropping. It may provide scientific basis for the development of water-saving agriculture in Xi’an.更多还原