NH4-N 第1页

Variations of Soil NH4-N, NO3-N and N Mineralization Under Different Forests in Xishuang-banna, Southwest China THE EFFECTS OF TEMPERATURE ON THE NUTRIENT CONCENTRATIONS IN SOIL SOLUTION Effects of Hg2+, Pb2+ Cd2+ and Cu2+ on the growth and purification capacity of nitrogen and phosphorus of Rhodopseudomonas palustris