soil quality classification的意思|示意

The principle, characteristics and its current application in classification, fertility, pollution and corrosion of soil environmental quality assessment in recent years are reviewed in the paper.

文章对其原理、特点及其近年来国内在土壤分类和土壤肥力、污染、腐蚀等质量评价中的应用及进展进行了评述。

Classification standards of indicators for soil quality evaluation were put forward and the situations of soil property of Hebei Plain were discussed.

提出了河北平原土壤质量评价指标的分级标准，依据该标准对河北平原典型土壤样品进行了单因素评价。