Eck, Harold V.,  1924- <br/><br/>
Productivities of horizons of seven benchmark soils of the southern Great Plains 
[by Harold V. Eck, Robert H. Ford, and Carl D. Fanning. 
 - Washington]  Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,  1967] 
 - 46 p.  illus.  23 cm. 
 - United States. Dept. of Agriculture. Conservation research report  no. 11 .
 - United States.  Department of Agriculture.  Conservation research report  no. 11. .
<br/><br/> Prepared in cooperation with Texas Agricultural Experiment Station. 
<br/><br/>Bibliography: p. 35-36. 
<br/><br/><label>LCCN: </label>agr68000043  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Great Plains.<br/>Soils--Analysis.
<br/><br/><label>Dewey Class. No.: </label>631.4/9/764 
<br/><br/><label>National Agricultural Library Call No.: </label>A279.9Ag8 no. 11