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《Journal of Anhui Agricultural Sciences》 2009-36
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Influence of Surface Disturbance Restoration Measures on the Soil Moisture Physical Properties of Typical Grassland in Hilly Area of the Loess Plateau in South of Ningxia

MA Hong-bin et al(Key Laboratory of Restoration and Rehabilitation of Degraded Ecosystem in Northwestern China,Grassland Research Institute of Agricultural College,Ningxia University,Yinchuan,Ningxia 750021)  
[Objective]The research aimed to study the influence on soil moisture physics characteristics under different land disturbances restoration measures in hilly area of the Loess Plateau.[Method]Some characteristics of soil particle compositions,bulk density,porosity, moisture-holding capacity,moisture availability and surplus-deficit status of soil moisture content in the soil depth of 0-40 cm and 40-100 cm under restoration measures named fish-scale pit,parallel ditches and hill closure were surveyed and analyzed.These restoration measures had carried out five years in typical steppe in hilly area of the Loess Plateau in south of Ningxia.[Result]In the measures of fish-scale pits and parallel ditches,soil had little increasing in bulk density,lower in ratio of clay,capillary porosity,and moisture-holding capacity while soil moisture availability and surplus-deficit status of soil moisture content were improved.[Conclusion]Land disturbances restoration measures could improve the soil moisture content,but decrease the soil moisture-holding capacity.
【Fund】: 宁夏自然科学基金资助项目(NZ0839);; 宁夏大学科研基金资助项目(ZR200722);; 高校博士点基金项目(20096401120002);; 宁夏科技攻关项目
【CateGory Index】: S152.7
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