The results prove that biological organic complex fertilizer can increase yield.

结果表明,生物有机复合肥有明显的增产作用.

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This article analyses the corrosion mechanism of NPK complex - fertilizer transform floor , and then gives theanticorrosion measures.

分析了氯化钾低温转化法生产硫基NPK复合肥转化地面的腐蚀机理, 并提出了相应的防护措施.

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The average maize yield with applying the complex fertilizer with slow release was 25.

施缓释复肥与施玉米专用肥相比具有显著的增产效果,平均增产25.

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