Boyd, John <br/><br/>
Agricultural soil crop and production quality / 
John Boyd. 
 - 1st ed 
 - China :  CALLISTO REFERENCE,  2018 
 - vii, 238 p.  : ills. figs, maps. ;  28 cm. 
<br/><br/>Includes Index. 
<br/><br/><label>ISBN: </label>9781632399489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil<br/>Crop production
<br/><br/><label>Dewey Class. No.: </label>631.452  / BOA