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7514. White, E.M., C.R. Kruger and R.A. Moore. 1976. Changes in total N, organic matter, available P, and bulk densities of a cultivated soil 8 years after tame pasture grasses were established.. Agronomy J., 68(4):581-583.
Soils in South Dakota were sampled after pasture establishment and 8 yrs later. Soil N and BD increased and P decreased. OM increased, but only slightly. All pastures were grazed. T: Average N, OM, P and BD of soils from pasture in 1965. Statistical significance of differences.