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1试验目的通过2014年多点次对比试验,摸清呼兰区常规施肥水平情况下玉米钾肥的利用率现状及推广测土配方施肥技术提高钾肥利用率的实际效果。2试验设计和试验基本情况2.1试验处理2.1.1试验设计试验设置4个处理:处理1:配方施肥;处理2:配方施肥无钾肥;处理3:常规施肥;处理4:常规施肥无钾肥。2.1.2试验方法试验采用小区试验,6行区,行长10m,小区面积42m2,不设重复。
1 Objectives of the trial By 2014 more point-by-point comparative tests to find out the status of the utilization of potassium in maize under conventional fertilization levels in Hulan District and to promote the practical effect of soil testing and fertilizer technology to improve the utilization rate of potassium fertilizer. 2 Experimental design and test 2.1 The test 2.1.1 Experimental Design Test set four treatments: Treatment 1: Formulation fertilization; Treatment 2: Formulation fertilizer without potassium; Treatment 3: conventional fertilization; Treatment 4: conventional fertilization without potassium. 2.1.2 Test Method The test of the plot is carried out in a 6-row area with a governor of 10m and a plot area of 42m2 without any duplication.