This might be caused by an earthquake or it might happen after a heavy rain or when soil becomes waterlogged after a fall of snow.
山崩可能地震引起，也可能发生在大雨后或雪后因泥土浸满了水而引起。
The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method.
应用淹水培养方法 ，研究了铵态氮肥对土壤氮素的激发效应。
Soil profiles observation and soil samples physical properties analysis methods were adopted to study the possible factors contribute to form the waterlogged land.
通过野外土壤剖面观测和取样进行物理性质测定分析岗中洼成因。
Soil profiles observation and soil samples physical properties analysis methods were adopted to study the possible factors contribute to form the waterlogged land.
通过野外土壤剖面观测和取样进行物理性质测定分析岗中洼成因。
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