Search Results       Your search for [subject]Rice varieties, BPI, C4 and IR8 -- Nitrogen returned 1 record.           Response of rice to different nitrogen fertilizers and times of application. by Cosico, Wilfredo C.; Los Ba?os, Laguna, Philippines: University of the Philippines, 1971. Subject: Agriculture -- Fertilization; Rice varieties, BPI, C4 and IR8 -- Nitrogen; Rice plants -- Grain yield and grain quality; Rice plants -- Nitrogen recovery.          Add to Book Cart Relevance: 48.11%