soil microbial biomass C and N 第1页

SOIL MICROBIAL ACTIVITY AND BIOMASS C AND N CONTENT IN THREE TYPICAL ECOSYSTEMS IN QILIAN MOUNTAINS, CHINA Effects of maize straw derived biochar on the soil fertility and nitrogen agronomic responses in black soil Effects of green manure application on the microbial biomass C and N contents and of the enzyme activity of tobacco-planting soil Dynamics of soil microbial biomass and soil enzyme activity and their relationships during maize growth Responses of soil microbial biomass C and N and respiratory quotient (qCO2) to revegetation on the Loess Hilly-Gully region Root exudates and soil microbes in three Picea asperata plantations with different stand ages. Effects of understory removal and nitrogen addition on the soil chemical and biological properties of Pinus sylvestris var. mongolica plantation in Keerqin Sandy Land.