北疆地区滴灌春小麦养分吸收规律及耗水特征

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目的:研究干旱区滴灌春小麦的各生育期养分吸收规律及耗水规律,为小麦滴灌施肥提供必要的技术支撑。方法:田间小区试验设于2013年至2014年在石河子大学农学院试验站进行,供试土壤质地为中壤土,以新春6号为供试材料。2013年试验设置氮磷钾三因素大田试验(施纯氮0、210、300、390 kg/hm2,P2O5 0、60、120 kg/hm2,K2O 0、45、90 kg/hm2),其中N 300 kg/hm2处理有三种不同的施肥方式(氮肥前置,中期施氮,氮肥后移)。2014年试验设两因素裂区试验主区分
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