Soil Conservation :  An International Study / 

 - China :   Dept. of Agriculture; Supt. of Docs., Govt. Print. Off ,  1952 
 - vi,181p. :  ill. ;  24cm 
 - Fao Agricultural Studies  No. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Soil conservation -- United States -- Periodicals
<br/><br/><label>Dewey Class. No.: </label>631.4072073   / UNS 1952