Search Results       Your search for [subject]Nitrogen fertilization levels, Effect of -- Sweet potato and sorghum intercrop growth and yield -- 1979-1980 -- Camarines Sur Agricultural College, Philippines returned 1 record.           The growth and yield of sweet potato sorghum intercrop as influenced by time overlap and levels of nitrogen fertilization. by Ignao, Loreto M.; College, Laguna: University of the Philippines at Los Ba?os, 1982. Subject: Intercropping, Sweet Potato and Sorghum -- Ipomea batatas -- Growth and yield performance -- Time overlap and Nitrogen levels, Effect of -- Fertilization -- 1979-1980 -- Camarines Sur Agricultural College, Philippines; Nitrogen fertilization levels, Effect of -- Sweet potato and sorghum intercrop growth and yield -- 1979-1980 -- Camarines Sur Agricultural College, Philippines.          Add to Book Cart Relevance: 109.84%