Variations of soil respiration rate and its temperature sensitivity among different land use types in the agro-pastoral ecotone of Inner Mongolia Soil CO2 Release Rate and Its Effect Factors in Chinese Fir Plantation SEED GERMINATION AND SEEDLING GROWTH ASSOCIATED WITH STRATIFICATION WAYS ON JUGLANS NIGRA Affecting factors of CO2 evolution from biodegradation of agricultural organic wastes WATER METABOLISM AND CHANGES OF SEVERAL OSMOTICAIN LEAVES OF BETULA PLATYPHYLLA SEEDLINGS UNDER DROUGHT STRESS RESEARCH ON THE PHYSIOLOGICAL INDEX OF DROUGHTENDURANCE FOR SEVERAL SPECIES OF NEEDLE-LEAVES AND BROAD-LEAVES TREES Components of soil respiration and its temperature sensitivity in four types of forests along an elevational gradient in Shennongjia, China Relationship between soil denitrifying enzyme activities and N2O emission The responses and mechanisms of water use efficiency to different water stresses of three alfalfa varieties Study on CO2 emissions and its kinetics of soils with different fertilization systems