In addition, the accumulative quantity n, P and K in the soil soluble liquid decreased further when the concentration of PAM increased.

同时，不同浓度pam的试验结果发现，增加PAM浓度能使土壤淋溶液中n,p,K累积量进一步减少。

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In addition, the accumulative quantity n, P and K in the soil soluble liquid decreased further when the concentration of PAM increased.

同时，不同浓度pam的试验结果发现，增加PAM浓度能使土壤淋溶液中n,p,K累积量进一步减少。

youdao