This thesis expounded the influence of the acid soil of rice bed on seedling growth.

论述了水稻床土调酸效果及其对秧苗生长发育的影响。

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This thesis expounded the influence of the acid soil of rice bed on seedling growth.

论述了水稻床土调酸效果及其对秧苗生长发育的影响。

youdao