Search Results       Your search for [subject]Potato yield, Sweet -- Ipomoea batatas -- Variety, spacing and fertility level, Effects of -- Agronomy returned 1 record.           Intravarietal yield variability of sweet potato (Ipomoea batatas L. lam). by Aparra, Narciso O.; College, Laguna: University of the Philippines at Los Ba?os, 1978. Subject: Agriculture -- Agronomy; Potato yield, Sweet -- Ipomoea batatas -- Variety, spacing and fertility level, Effects of -- Agronomy.          Add to Book Cart Relevance: 85.14%