Hansen E M, Djurhuus P. Nitrate leaching as affected by long- term N fertilization on a coarse sand[J]. Soil Use and Management, 1996, 12: 199- 204.
[2]
Stenberg M, Aronsson H, Linden B, et al. Soil mineral nitrogen and nitrate leaching losses in soil tillage systems combined with a catch crop [J]. Soil and Tillage Research, 1999, 50: 115- 125.
[3]
Cookson W R, Rowarth J S, Cameron K C. The effect of sutumn applied 15N- labelled fertilizer on nitrate leaching in a cultivated soil during winter[J]. Nutri Cycling in Agroecosystems, 2000, 56:99- 107.
[4]
Havis R N and Alberts E E. Nutrient leaching from field- decomposed corn and soybean residue under simulated rainfall[J]. Soil Sci Soc Am J, 1993, 56: 211- 218.
[5]
Bergstrom L F, Kirchmann H. Leaching of total nitrogen from nitrogen- 15- labeled poultry manure and inorganic nitrogen fertilizer[J]. J Environ Qual, 1999, 28: 1 283- 1 290.
[6]
Torstensson G, Aronsson H. Nitrogen leaching and crop availability in manured catch crop system in Sweden[J]. Nutri Cycling in Agroecosys tems, 2000, 56:139- 152.
[7]
Sexton B T, Moncrief J F, Rosen C J, et al. Optimizing nitrogen and irrigation inputs for corn based on nitrate leaching and yield on a coarse textured soil[J]. J Environ Qual, 1996, 25:982- 992.
[8]
Berstrom L, Johansson R. Leaching of nitrate from monolith lysimeters of different types of agricultural soils[J]. J Environ Qual, 1991, 20: 801- 807.
[9]
Grossmann J, Udluft P. The extraction of soil water by the suction- cup method: a review[J]. J Soil Sci, 1991, 42: 83- 93.
[10]
Powlson D S, Poulton P R, Addiscott T M, et al. Leaching of nitrogen from soils receiving organic or inorganic fertilizers continuously for 135 years[C]. In J A Hansen and K Henriksen (eds.) Nitrogen in Organic Wastes Applied to Soils. Academic Press, London, 1989.334- 345.
Kanwar R S,Baker J L, Johnson H P and Kirkham D. Nitrate movement with zero- order denitrification in a soil profile[J].Soil Sci Soc Am J, 1980, 44: 898- 902.
Xing G X and Zhu Z L. An assessment of N loss from agricultural fields to the environment in China[J]. Nutri Cycling in Agroecosystems, 2000, 56:67- 73.
Lewan E. Effects of a catch crop on leaching of nitrogen from a sandy soil: simulations and measurements[J]. Plant and Soil, 1994, 166: 137- 152.
[28]
Wyland L J, Jackson L E, Chaney W E, et al. Winter cover crops in a vegetable cropping system: impacts on nitrate leaching, soil cover, crop yield, pests and management costs[J]. Agric Ecosyst Environ, 1996, 59: 1- 17.
[29]
Stenberg M, Aronsson H, Linden B, et al. Soil mineral nitrogen and nitrate leaching losses in soil tillage systems combined with a catch crop [J]. Soil and Tillage Research, 1999, 50: 115- 125.
[30]
Davis D B, Garwood T W D, Rochford A D H. Factors affecting nitrate leaching from a calcareous loam in East Anglia[J]. J Agric Sci, 1996, 126: 75- 86.
[31]
Nicholson F A, Chambers B J, Mills A R, et al. Effects of repeated straw incorporation on crop fertilizer nitrogen requirements, soil mineral nitrogen and nitrate leaching losses[J]. Soil Use Manage, 1997, 13: 136- 142.
