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.
受垃圾渗滤液影响，垃圾场周边土壤有机物含量增加。试验结果显示，随着土壤有机物含量的增加，土壤中有效态铁锰含量增大。
With the influence of waste leachate seeping, the concentration of organic substances in landfill soil was higher than that in unpolluted soil.
对比分析结果表明，M3提取剂提取土壤有效铜、锌、铁、锰测定值的重现性好、稳定性强。
The results showed that M3 extracting reagent had a fine repeatability and stability of the test values.
秸秆直接还田提高了土壤的有效铁含量，但对有效铜、有效锌和有效锰含量影响不大。
The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in…
秸秆直接还田提高了土壤的有效铁含量，但对有效铜、有效锌和有效锰含量影响不大。
The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in…
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