Irrigation and Fertilization :  Documentation of Publications, Books and Research Projects, 1970-1979 / 
comps. E. Welte, L. Cervenka 
 - Viena :  International Centre of Fertilizer,  1980 
 - 447 p. ; 30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abonos<br/>Fertilizantes y abonos<br/>Riego
<br/><br/><label>LC Class. No.: </label>S 619 S24  / I77