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配方施肥已经被各级政府高度重视和广大农民充分认识,通过2011年多地点的对比试验,我们摸清了哈尔滨市呼兰区常规施肥水平情况下,玉米氮肥利用率现状及推广测土配方施肥技术提高氮肥利用率的实际效果。1材料与方法1.1试验设计试验设4个处理:处理1,配方施肥;处理2,配方施肥无氮;处理3,常规施肥;处理4,常规施肥无氮。
Formula fertilization has been highly valued by all levels of government and the majority of peasants fully understand the comparative test of many locations in 2011, we find out the conventional fertilization level in Harbin Hulan area, the status quo of corn nitrogen utilization and promotion of soil testing and fertilizer Technology to improve the actual effect of nitrogen fertilizer utilization. 1 Materials and methods 1.1 Experimental Design The experiment set up four treatments: treatment 1, formula fertilization; treatment 2, the formula fertilizer nitrogen-free; treatment 3, conventional fertilization; treatment 4, conventional nitrogen fertilizer-free.