Water Consumption of Single-Tree from the Main Afforestation Species in Western Shanxi of Loess Area Study on Soil Capacities of Water-retention on Typical Vegetations in the North Side of Liupan Mountains in Ningxia Study on Water-retention Characters of Maowusu Sandy Soil SOIL WATER HOLDING CAPACITY AND SOIL AVAILABLE WATER IN PLANTATIONS IN THE LOESS REGION Study on Water-Holding Capacity of the Top Soil of a Steppe Reserve in the Yunwu Mountains, Guyuan, Ningxia Hui Autonomous Region Studies on Soil Water Characteristic Curves and Infiltration Capability of Maowusu Sandy Soil