Search Results       Your search for [author]Serna, Constante B., 1935- returned 1 record.           Nitrogen and phosphorous requirements of gmelina arborea (Roxb.) seedlings. by Serna, Constante B., 1935-; Subject: Yemane -- Fetilizers and manures; Nitrogen fertilizers; Phosphatic fertilizers; Plants, Effect of nitrogen on; Plants, Effect of phosphorous on.          Add to Book Cart Relevance: 26.29%