Field-scale variability of soil properties in central Iowa soils
Cambardella, C.A. (USDA-ARS, National Soil Tilth Lab., Ames, IA.) ; Moorman, T.B ; Novak, J.M ; Parkin, T.B ; Karlen, D.L ; Turco, R.F ; Konopka, A.E
Soil Science Society of America journal, 1994-09, Vol.58 (5), p.1501-1511 [Periódico revisado por pares]Madison, WI: Soil Science Society of America
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