Search Results       Your search for [author]Sak Pengphol. returned 1 record.           Performance of corn (Zea mays L.) Philippine prolific DMR composite #2 at different nitrogen levels and plant population densities. by Sak Pengphol.; 1982. Subject: Corn -- Fertilizers; Corn -- Spacing; Nitrogen fertilizers; Corn -- Field experiments.          Add to Book Cart Relevance: 25.33%