无论淹作还是旱作，种植水稻有助于加速土壤中锌、锰向有效态转化。
Rice cultivation helped to increase the availability of soil zinc and manganese in both water lodged and upland conditions.
同一母质发育的旱地土壤和水田土壤的全锰和有效锰含量在土壤剖面中的分布明显不同。
The contents and profile distributions of total Mn and available Mn of the dryland soil and paddy soil derived from the identical parent material were remarkably different.
当地农户施用微量元素肥料很少，造成土壤有效铁、有效锰和有效铜含量的下降。
Trace elements fertilizer is rarely used in this region which leading to a decrease on the content of soil available iron, available Manganese, and available copper.
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