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

Applied Ecology and Environmental Sciences. 2020, 8(6), 517-525 doi:10.12691/aees-8-6-26