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.

 
  • 綜合比較氮磷肥配施經(jīng)濟效益;在試驗設計條件下;N300P90處理的配比效果最好;產(chǎn)量達62.;00 kg/hm2; 凈利潤最高;增收4 152
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