3Shi Hui, Shao Mingan. Soil and water loss from the Loess Plateau in China [ J ]. Journal of Arid Environment, 2000, 45 ( 1 ) : 9 - 20.
4Strudley M W, Green T R, Ascough J C. Tillage effects on soil hydraulic properties in space and time: state of the science [ J]. Soil and Tillage Research, 2008, 99( 1 ) :4 -48.
5Hammand A H A, Brresen T, Haugen L E. Effects of rain characteristics and terracing on runoff and erosion under the Mediterranean [ J]. Soil and Tillage Research, 2006, 87 ( 1 ) : 39 - 47.
6Vancampenhout K, Nyssen J, Gebremichael D, et al. Stone bunds and soil conservation in the northern Ethiopian highlands: impacts on soil fertility and crop yield [J]. Soil and Tillage Research, 2006, 90( 1 ) : 1 - 15.
