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为探讨了辽西北地区适宜的玉米灌溉方式,采用田间小区试验研究了3种不同灌溉方式,包括膜下滴灌(MI)、畦灌(QI)和沟灌(FI)对玉米的需水量、生长性状、产量及其构成、水分利用效率及经济效益等的影响,并以雨养种植(CK)作为对照。试验结果表明:无灌溉的雨养农业处理需水量最小,而在三种灌溉方式中,膜下滴灌处理玉米需水量最小;膜下滴灌处理有利于促进玉米营养生长,产量、水分利用效率及经济效益均为最高。因此,综合考虑,膜下滴灌是最适合在辽西北地区推广应用的灌溉方式。
In order to explore the appropriate maize irrigation methods in northwestern Liaoning, field experiments were conducted to study three different irrigation methods, including the effects of drip irrigation under mulching (MI), furrow irrigation (QI) and furrow irrigation (FI) on water requirement, growth traits, Yield and its composition, water use efficiency and economic benefits, etc., and the rain-fed cultivation (CK) as a control. The results showed that the water requirement of irrigated rainfed agriculture was the smallest, while the drip irrigation under drip irrigation under mulch was the minimum. The drip irrigation under mulch was conducive to promoting corn vegetative growth, yield, water use efficiency and economy Benefits are the highest. Therefore, taking into account, drip irrigation under film is the most suitable for popularization and application of irrigation in the northwest of Liaoning.