Efficient use of fertilizers / 
ed. by Vladimir Ignatieff and Harold J. Page. 
 - Rev. and enl. ed. 
 -  Food & Agricultural Organization,  [1968] 
 - FAO. Agricultural studies ;  no. 43 .
 - Food and Agriculture Organization of the United Nations. Agricultural studies ;  Food and Agriculture Organization of the United Nations. Agricultural studies ;  no. 43 .
<br/><br/> First published in this ed. in 1958. 
<br/><br/>Bibliography: p. [301]-342. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers and manures.