A formula was established by the outputs of nutrient-deficient plots instead of the CK plots,which is near to the natural conditions and lead to the increase of soil nutrient-supplying potential but the decreaes of fertilization.

Effect of climate on soil supplying nutrient capability to early rice;

Effect of jute geotextiles biodegradation on soil fertility;

Relationship between soil fertility and tree growth in the broad-leaved Pinus korariensis forest at different growth periods;

Relationship between plant diversity and soil fertility in Napahai wetland of Northwestern Yunnan Plateau;