Response of soil respiration to grazing intensity, water contents, and temperature of soil in different grasslands of Inner Mongolia Effects of Air Humidity on the Photosynthesis and Fruit-set of Tomato Under High Temperature THE RESPONSE OF MIDDAY DEPRESSION OF DIURNAL VARIATION OF NET PHOTOSYNTHETIC RATE OF WHEAT LEAVES ON ECOLOGICAL FACTORS IN THE FIELD ENVIRONMENT OF QINGHAI PLATEAU Response of upland jujube tree trunk diameter to different ecological factors STUDY ON GAS EXCHANGE CHARACTERISTICS OF PHRAGMITES COMMUNIS TRIN. IN DIFFERENT ECOTYPES OF DRY DESERT OF THE HEXI CORRIDOR Effects of Air Humidity on the Photosynthesis and Fruit-set of Tomato Under High Temperature Relationship between humidity,temperature and bisexual flower ratio of Kate mango