Compared synthetically,the effect of treatment with N300P90 was the best under the field trial condition and its yield reached 62.00 kg/hm2,while the net was 4 152.7 yuan/hm2 and the VCR(value cost ratio) was 2.32.
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- 综合比较氮磷肥配施经济效益;在试验设计条件下;N300P90处理的配比效果最好;产量达62.;00 kg/hm2; 净利润最高;增收4 152