Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1968
Published in Agron J 60:396-400 (1968)
© 1968 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Rehabilitation of the Pediplain ("gardud") Soils of the Central Sudan1

P. A. Gerakis and C. Z. Tsangarakis2

Soil management investigations aimed at the reclamation of the truncated Pediplain soils of the Sudan indicated that truncation does not affect markedly the soil's chemical properties, but does cause significant impediment to rainwater infiltration which prevents any commercial cropping. Plowing with disk and chisel plows at 30 to 35 cm increased markedly the yields of sorghum whereas the effect of ridging was variable. Straw mulching apparently improved moisture conservation but decreased sorghum yields due to increased disease incidence.

Key Words: chisel-plowing • ridging • truncated soils

1 Paper based on the investigations carried out as part of the U.N. Land Use and Rural Water Development Research Project for Kordofan in 1962–1965 sponsored jointly by the F.A.O. and the Sudan Government and contracted by Doxiadis Associates Int. Ltd. of Athens, Greece.

2 Graduate Research Assistant, College of Agriculture and Natural Resources, Michigan State University, East Lansing, Mich. 48823; and Research Agronomist, Agricultural Research Service, Ministry of Agriculture, Athens, Greece.

Received for publication January 8, 1968.




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Environmental Quality		 The Plant Genome
Copyright © 1968 by the American Society of Agronomy.