策勒县小麦施肥校正试验

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通过田间示范,综合比较肥料投入、作物产量、经济效益、肥料利用率等指标,客观评价配方肥料施用效果和施肥效益,为测土配方施肥技术参数的校正及进一步优化配方施肥提供依据。1 供试材料供试作物为小麦(新冬20号)。供试肥料为46%尿素,46%重过磷酸钙,40%硫酸钾。供试土壤在策勒县策勒镇科克买提村1小队,试验地面积为2.0亩,农户阿布都克热木阿洪小麦地,该试验地土壤类型为沙壤土,肥力中等;灌溉方便,0~20厘米有机质12.8304克/公斤,全氮0.9152克/公斤,全磷0.83克/公斤,全钾17.51克/公斤。
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