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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11535

Title: Changes in sorghum production, soil P forms and P use efficiency following long-term application of manure, compost and straw in a Ferric Lixisol
Authors: Soma, Dohan Mariam
Kiba, Delwendé Innocent
Ewusi-Mensah, Nana
Gnankambary, Zacharia
Lompo, François
Sedogo, Michel Papoaba
Abaidoo, Robert Clement
Keywords: Organic amendments
Phosphorus fractions
Phosphorus use efficiency
Sorghum production
Lixisol
Issue Date: 2018
Publisher: Acta Agriculturae Scandinavica, Section B — Soil & Plant Science
Citation: Dohan Mariam Soma, Delwendé Innocent Kiba, Nana Ewusi-Mensah, Zacharia Gnankambary, François Lompo, Michel Papoaba Sedogo & Robert Clement Abaidoo (2018) Changes in sorghum production, soil P forms and P use efficiency following long-term application of manure, compost and straw in a Ferric Lixisol, Acta Agriculturae Scandinavica, Section B — Soil & Plant Science, 68:5, 401-411, DOI: 10.1080/09064710.2017.1414871
Abstract: Low phosphorus availability in cultivated soils limits sustainable crop production in sub-Saharan Africa. This study aimed at evaluating the effect of long-term application of different types of organic amendments on soil P forms, P use efficiency and sorghum yields. A long term experiment established in 1980 at Saria in Burkina Faso, comparing the effects of manure, compost and sorghum straw was used. Manure and compost significantly increased organic P and resin-P by about 35% and 64%, respectively after 10 and 32 years of sorghum cultivation, and HCl-P after 32 years of cultivation compared to the control. Manure significantly increased NaHCO3-Pi and NaOH-Pi by 63% and 26%, respectively compared to the control. Sorghum straw had little effect on measured soil P forms. Manure and compost were the best in increasing sorghum grain yield, which effect were strongly correlated to soil pH, carbon and nitrogen. The partial factors productivities of P resulting from the application of studied organic amendments were similar and low, but significantly higher than that of the control treatment. Organic amendments with high P content, maintaining soil carbon and pH could be used to improve soil P availability, sorghum yield and reduce the demand for mineral phosphorus fertilizers.
Description: An article published in Acta Agriculturae Scandinavica, Section B — Soil & Plant Science, 68:5, 401-411, DOI:0.1080/09064710.2017.1414871
URI: http://hdl.handle.net/123456789/11535
Appears in Collections:College of Agric and Natural Resources

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