Yeomans, P. A. <br/><br/>
The keyline plan. 
P. A Yeomans 
 - Sydney   P. A Yeomans  1954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Fertility.
<br/><br/><label>LC Class. No.: </label>S 603 .Y4