REFERENCE
Agbaje GO, Akinlosotu TA (2004). Influence of NPK fertilizer on tuber yield of early and late-planted cassava in a forest alfisol of southwestern Nigeria. Afr. J. Biotechol., 3(10): 547 – 551. Al-Hassan RM (1991). Cassava food security crop in Ghana. A characterization of village level processing and marketing. The First National Workshop on Roots, Tubers, Kumasi, COSCA study paper. Anonymous (2010). Soil Test Interpretation Guide. Mhtml://D:DocSoil Test Interpretation.mht. E-mail: info@smart-fertilizer.com
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