Search Results       Your search for [author]Collado, Corazon V. returned 1 record.           Effects of different levels of nitrogen and rates of ipil-ipil on the growth and yield of IR 50. by Collado, Corazon V.; 1982. Subject: Rice -- Fertilizers; Nitrogen fertilizers; Ipil-ipil as fertilizer.          Add to Book Cart Relevance: 20.26%