Pearson, L.C <br/><br/>
Principles of Agronomy 

 - New York  Reinhold  1967 
 - xiv, 434p  Hbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriclture
<br/><br/><label>LC Class. No.: </label>7S495.P4 1967