There is, in every pot, what is called a "perched water table" (PWT). This is water that occupies a layer of soil that is always saturated and ... ... <看更多>
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There is, in every pot, what is called a "perched water table" (PWT). This is water that occupies a layer of soil that is always saturated and ... ... <看更多>
perched water table - Google Search Human Environment, Built Environment, Sand And Gravel,. Aiysha Alsane. 13 followers. More information. Human Environment. ... <看更多>