Table 2. Texture of soils sampled from test sites in Iowa (IA), Illinois (IL), and Ohio (OH). Data on soil series, soil texture (% sand, % silt, % clay), and soil cation exchange capacity (CEC) in 0 - 15 cm soil depth are shown for adjacent fields differing in management. Values in bold are significantly higher when comparing Maximum Farming System (MFSyst) and Conventional (Conv) management at the same site (N = 32, p < 0.01)

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Soil Enzyme Activities Associated with Differential Outcomes of Contrasting Approaches to Soil Fertility Management in Corn and Soybean Fields

Nicola Lorenz, Brian B. McSpadden Gardener, Nathan R. Lee, Cliff Ramsier, Richard P. Dick

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