Field Studies of the Wheat Stomata Resistance Influenced by Soil Water Content Relationship of Canopy-air Temperature Difference and Yield and Quality Under Different Water Stress at Jointing-booting Stage in Rice Irrigation of Carex leucochlora during Flowering and Fruiting Period under Different Soil Water Potentials A Study on External Factors for Control of Leaf Water Potential of Apricots Study of the rate of stem sap flow in Pinus tabulaeformis and Quercus variabilis by using the TDP method Effects of rice and wheat straw ditch-buried returns on the soil physical properties of wheat fields Rational Indicators for Irrigation Scheduling of Pear-jujube Based on Microchanges of Stem Diameter Rational Indicators for Irrigation Scheduling of Pear-jujube Based on Microchanges of Stem Diameter Response of upland jujube tree trunk diameter to different ecological factors Effects of soil water potential on the growth and physiological characteristics of Populus tomentosa pulpwood plantation under subsurface drip irrigation Response of pear jujube trees on fruit development period to different soil water potential levels The Factors Influencing Stem Diameter Micro-Variation in Chinese Pear Jujube (Ziziphus jujuba) A Discuss on Relationship between Soil Water Contents and Vegetation Recovery on Yanchi Sandy Land Effects of Water Stress of Soil on Rice Yield and Quality Water-Saving and High-Yielding Irrigation for Lowland Rice by Controlling Limiting Values of Soil Water Potential Study on the Sandy Land Water Dynamics in Yanchi County of Ningxia