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Creator:: Dossa, Ekw'e Lokossou, 1960-
Abstract:: Two native shrub species (Piliostigma reticulatum and Guiera senegalensis) are prominent vegetation components in farmers’ fields in Senegal. However, their role in nutrient cycling and ecosystem function has largely been overlooked. A study including both laboratory and field experiments was conducted to evaluate potential biophysical interactions of the two shrub...
Resource Type:: Dissertation
Full Text:: . 5 References Bationo, A., Lompo, F., Koala, S. 1998. Research on nutrient flows and balances in

Creator:: Diedhiou, Sire
Abstract:: Piliostigma reticulatum and Guiera senegalensis are two native shrubs that coexist with row crops in parkland systems of the Sahel of Africa. Although permanently green all year around in soil depleted in nutrients and dry for a nine-month period, these shrubs have been largely overlooked. Conventional management of these shrubs...
Resource Type:: Dissertation
Full Text:: Cycling in Agroecosystems 61:131-142. Bationo, A., F. Lompo, and S. Koala. 1998. Research on nutrient

Creator:: Ndiaye, Evelyne L.
Abstract:: Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...
Resource Type:: Masters Thesis
Full Text:: . Kauffman, D.D. Hemphill, Jr., and J.S. Selker. 1997. Nitrate leaching under cereal rye cover crop. J

Creator:: Burket, John Zimmerman
Abstract:: Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended rate in the Willamette Valley of western...
Resource Type:: Dissertation
Full Text:: respiration in a thin Black Chernozem. Can. J. Soil Sci. 71: 363-376. Castellanos, J. Z. and P. F. Pratt

Creator:: Kauffman, Susan Muna
Resource Type:: Masters Thesis
Full Text:: Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix A: B: C: D: E: F: G: H: I

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