Combination of Ogun phosphate rock and legume for upland rice (orya sativa AL.) production in south Western Nigeria a thesis submitted tom to the department of Soil science and crop production, UNAAB in partial fulfillment for the Degree of Philosophy in Soil science - Adesanwo, O. O. (xvii,1761p.: ill.)
Keywords: Philosophy in soil science -- South WesternNigeria-- Thesis and Dissirtations; Upland rice - South Western Nigeria -- Thesis and dissertations