7Sirjacobs D, Shainberg I, Rapp I, et al. Polyacrylamide, sed- iments and interrupted flow effects on rill erosion and in take rate[ J ]. Soil Science Society of America Journal, 2000,64 (4) :1487 - 1495.
9Ajwa H A, Trout T J. Polyacrylamide and water quality effects on infiltration in sandy loam soils[ J]. Soil Science Society of America Journal,2006,70 ( 2 ) :643 - 650.
10Lentz R D. Inhibiting water infiltration with polyaerylamide and surfaetants: Applications for irrigated agriculture [J]. Journal of Soil and Water Conservation, 2003, 58 ( 5 ) :290 - 300.