渝西北土壤有机质空间变异及影响因素分析.

Autor: 鲍丽然1, 周皎1, 李瑜1, 贾中民1
Zdroj: Southwest China Journal of Agricultural Sciences. 2017, Vol. 30 Issue 11, p2541-2547. 7p.
Databáze: Academic Search Ultimate
Externí odkaz: