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Journal of Environmental Quality Abstract -

Influence of Crop Management Practices on Nutrient Movement Below the Root Zone in Nebraska Soils1


This article in JEQ

  1. Vol. 5 No. 3, p. 255-259
    Received: Sept 19, 1976

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  1. John Muir,
  2. J. S. Boyce,
  3. E. C. Seim,
  4. P. N. Mosher,
  5. E. J. Deibert and
  6. R. A. Olson2



Deep profile sampling under different water and crop management systems revealed limited movement of N and none of P from the rooting profile of nonirrigated Nebraska soils. Leaching of N to the water table was apparent in most irrigated soils located on valley positions and in sandy soils of the uplands. Alfalfa (Medicago sativa L.), with its deep rooting system, was noted to be an effective scavenger of inorganic N that may have accumulated under prior annual crops.

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