Craswell, E. T.
Recent developments in research on nitrogen fertilizers for rice / E.T. Craswell and S.K. De Datta. - Manila : International Rice Research Institute, 1980 - 11 p. : ill. - IRRI research paper series ; no. 49 .
Cover title.
Nitrogen fertilizers.
Rice--Fertilizers.
Recent developments in research on nitrogen fertilizers for rice / E.T. Craswell and S.K. De Datta. - Manila : International Rice Research Institute, 1980 - 11 p. : ill. - IRRI research paper series ; no. 49 .
Cover title.
Nitrogen fertilizers.
Rice--Fertilizers.