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Published in Soil Sci Soc Am J 39:482-487 (1975)
© 1975 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Effects of Beef-Feedlot Manure and Lagoon Water on Iron, Zinc, Manganese and Copper Content in Corn and in DTPA Soil Extracts1

G. W. Wallingford, L. S. Murphy, W. L. Powers and H. L. Manges2

ABSTRACT

The effects of beef-feedlot manure and lagoon water on DTPA-extractable iron, zinc, manganese, and copper of a silty clay loam soil, concentrations of these elements in corn (Zea mays L.) forage and leaf tissue, and their uptake by corn forage were studied in the field. DTPA extractions were performed on the surface 1 m of soil cores collected from sets of plots that had received two annual applications of manure and three annual applications of feedlot lagoon water. Corn-forage composition and nutrient uptake were measured from all plots for 3 years; corn leaf tissue composition was measured for 3 years on the manure plots only.

Both manure and lagoon water increased DTPA-extractable Fe, Zn, and Mn in the soil, but extractable Cu was increased only by the highest manure treatments. Corn and leaf concentrations of Zn and Mn and corn forage uptake of Mn were enhanced by the manure application. Corn-forage Mn content was increased linearly by applied lagoon water. The feedlot manure and lagoon water were shown to be sources of Fe, Zn, and Mn.

NOTES

1 Contribution no. 1432, Dept. of Agronomy, and no. 202, Dept. of Agricultural Engineering, Kansas Agricultural Experiment Station, Manhattan, Kansas 66506.

2 Research Assistant, Agronomist, Associate Agronomist, and Assistant Agricultural Engineer, Kansas State Univ., Manhattan, Kansas 66506. Senior author presently Assistant Professor of Soil Sci., Univ. of Minnesota, Northwest Exp. Sta., Crookston, Minn. 56716.

Received for publication January 14, 1974. Accepted for publication December 16, 1974.






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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1975 by the Soil Science Society of America.