000			01658nab a22003617a 4500
001			G26033
003			MX-TxCIM
005			20170719154931.0
008			121211b |||p||p||||||| |z||| |
040			_aMX-TxCIM
041	0		_aEn
043			_aUS
072		0	_aP30
090			_aREP-4599
100	1		_aPutman, J.W.
245	0	0	_aUsing the erosion productivity impact calculator (EPIC) model to estimate the impact of soil erosion for the 1985 RCA appraisal
260			_c1988
340			_aPrinted
520			_aThe US Department of Agriculture developed a physical process model to simulate the soil climate plant management processes in agricultural production and to estimate the impact of soil erosion on resource productivity and fertilizer requirements for the 1985 Resources Conservation Act appraisal. Estimates from this model, the erosion productivity impact calculator (EPIC), show that if cropping patterns and the mix of management, tillage, and conservation practices inventoried in the 1982 National Resources Inventory are continued for 100 years, sheet and rill erosion and wind erosion will exceed erosion tolerance on 127 million acres and 64 million
546			_aEnglish
595			_aRPC
650	1	0	_aCost analysis
650	1	0	_aErosion _91961
650	1	0	_aFertilizer application _91110
650	1	0	_aModels
650	1	0	_aProduction possibilities
650	1	0	_aSoil conservation _92273
650	1	0	_91952 _aSoil fertility _gAGROVOC
700	1		_aSawyer, D., _ecoaut.
700	1		_aWilliams, J.R., _ecoaut. _92670
773	0		_tJournal of Soil and Water Conservation _n609921 _gv. 43, no. 4, p. 321-326
942			_cJA
999			_c11777 _d11777