Xie, Qinglin

Research on the effect of sludge fertilizer on farmland and the safety of heavy metals in a karst area - Berlin Springer-Verlag December 2001 - pp. 352-357 ilus., tbls.

0943-0105


AGUAS DE REGADIO
CALIDAD DEL AGUA
CONTAMINACION DEL AGUA
FERTILIZANTES
KARST
METALES PESADOS


CHINA