Search Results       Your search for [subject]insecticide. -- Research -- Philippines returned 1 record.           Increasing fertilizer / nitrogen and insecticide. by De Datta, S. K.; Subject: insecticide. -- Research -- Philippines; Crops and nitrogen -- Philippines; Nitrogen fertilizers -- Philippines; Rice -- Yields; Plants, Effect of nitrogen on -- Philippines; Plants, Effect of insecticide on -- Philippines.          Add to Book Cart Relevance: 16.30%