Applying Humic acid fertilizer mainly improved economic output by increasing the TNSP of rice.

施用活性腐殖酸有机肥主要通过增加水稻的穗粒数来提高经济产量；

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Applying Humic acid fertilizer mainly improved economic output by increasing the TNSP of rice.

施用活性腐殖酸有机肥主要通过增加水稻的穗粒数来提高经济产量；

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