Crop production levels and fertilizer use : fertilizer and plant nutrition service land and water development division.

Corporate Author: Food and Agriculture Organization of the United Nations
Published: Rome: Food and Agriculture Organization of the United Nations, 1981.
Series:FAO fertilizer and plant nutrition bulletin; 2
Subjects:
Physical Description:ix, 69p.: ill.; 25cm.
Bibliography:Includes bibliographical references
ISBN:925101994