Figure 2. Medians and interquartile ranges of soil enzyme activities (A, B) and SOM (C) in 0-15 cm depth under maximum farming system (MFSyst) and conventional (Conv) management in years 2015 (N = 32), 2016 (N = 32), and 2017 (N = 32). Bars within a year having the same letter are not significantly different at p < 0.05

From

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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