Search Results       Your search for [author]Ayyangar, R. Seshadri, 1940- returned 1 record.           Iron and manganese nutrition relationship in rice grown in the Philippines. by Ayyangar, R. Seshadri, 1940-; 1967. Subject: Rice; Soils -- Iron content; Soils -- Manganese content.          Add to Book Cart Relevance: 28.76%