Berger, Josef, 1903-  Berger, Josef, 1903- <br/><br/>
The world's major fibre crops :  their cultivation and manuring / 
prepared by Josef Berger. 
 - Zurich :  Centre d'etude de l'azote,  c1969. 
 - Centre d'etude de l'azote ;  6 .
<br/><br/> Text in English: with summaries in French and Spanish. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Textile fibers.