The native N and P of soils of the Guinea Savanna Zone of northern Ghana are only about 20 and 10% of the crops’ requirements, respectively, and organic matter content is usually below 1%. Hence, cereal yields without soil amendments are usually below...
CITATION STYLE
Ahiabor, B. D. K., Fosu, M., Atsu, E., Tibo, I., & Sumaila, I. (2011). Integrated Soil Fertility Management for Increased Maize Production in the Degraded Farmlands of the Guinea Savanna Zone of Ghana Using Devil-Bean (Crotalaria retusa) and Fertilizer Nitrogen. In Innovations as Key to the Green Revolution in Africa (pp. 183–189). Springer Netherlands. https://doi.org/10.1007/978-90-481-2543-2_17
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