Search Results       Your search for [author]Ayyanger, R. Seshadri, 1940- returned 1 record.           Iron and manganese nutrition relationship in rice grown in the Philippines [microform]. by Ayyanger, R. Seshadri, 1940-; Quezon City: Photoduplication Service. University of the Philippines Library, 1977. Subject: Rice; Soils -- Iron content; Soil -- Manganese content.          Add to Book Cart Relevance: 30.10%