Abstract
Beginning in 1981, a mathematical model called the erosion-productivity impact calculator model (epic) was developed to determine the relation between soil erosion and soil productivity throughout the U.S.A. By 1985 the model was ready for use in the RCA (1977 Soil and Water Resources Conservation Act) analysis. Between 15000 and 20000 epic simulations of 100 years each were performed as part of the 1985 RCA analysis. After the RCA analysis, model refinement and development continued and epic has been applied to a number of agricultural management problems. For example, epic is capable of dealing with decisions involving drainage, irrigation, water yield, erosion (wind and water), weather, fertilizer and lime application, pest control, planting dates, tillage, and crop residue management. Example applications include: (i) 1988 drought assessment; (ii) soil loss tolerance tool; (iii) Australian sugarcane model (
AUSCANE
) ; (iv) pine tree growth simulator; (v) global climate change analysis, and (vi) farm level planning.
Subject
General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology
Reference43 articles.
1. Benson V. W. Bogusch H. C. Jr. & Williams J. R. 1990 Evaluating alternative soil conservation and crop tillage practices with EPIC. In Proceedings of the International Conference on Dryland
2. Stochastic generation of the occurrence, pattern, and location ofmaximum amount ofdaily rainfall. In ProceedingsoftheSymposiumonStatistical Hydrology, Tucson;Nicks A. D.;Arizona,1974
3. Nicks A. D. Richardson C. W. & Williams J. R. 1990 Evaluation of the EPIC model climate generator. In Erosion-productivity impact calculator EPIC: model documentation. USDA Tech. Bull. 1768 ch. 4. (In the press.)
4. Erosion Modeling on a Watershed
5. Natural evaporation from open water, bare soil and grass
Cited by
316 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献