soil dried layer

基本解釋

In artificial forestland, soil dried layer has been formed because of water deficit.
在人工林地，因水分虧缺形成了嚴重程度不同的乾化層。
The dried soil layer exists in this area widespreadly, not only in the artificial vegetation but also in the natural vegetation.
該地區(qū)土壤乾燥化層是普遍存在的，不僅存在於人工植被，也存在於天然植被。
The study reveals that the formation of dried soil layer is mainly caused by natural factors due to the reduction of precipitation and gravitational water.
研究表明，土壤乾層的形成主要是自然原因造成的，是降水量少決定的重力水帶分佈深度小引起的。