Berger, J  <br/><br/>
World's major fibre crops their cultivation and manuring  

 - Switzerland:   Centre D'Etude De l'Azote,   1969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Climate Crop  
<br/><br/><label>Universal Decimal Class. No.: </label>633.511.52  / K9