Barker, Austen Staunsfiel. <br/><br/>
The use of fertilizers; a guide to thr manuring of crops inGreat Britain 

 - London, Oxford University,  1935 
 - 204 p. 
<br/><br/><label>LCCN: </label>73149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes y abonos.
<br/><br/><label>Dewey Class. No.: </label>631.8  / B3