Allmaras, R. R. <br/><br/>
Total porosity and random roughness of the interrow zone as influenced by tillage 
[by R. R. Allmaras and others. 
 - Washington]  Agricultural Research Service, U.S. Dept. of Agriculture  [1966] 
 - 22 p.  illus.  26 cm. 
 - United States. Dept. of Agriculture. Conservation research report  no. 7 .
 - United States.  Department of Agriculture.  Conservation research report  no. 7. .
<br/><br/>"Literature cited": p. 15. 
<br/><br/><label>LCCN: </label>agr66000185  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil porosity.<br/>Tillage.<br/>Soil--Research.<br/>Tillage--Effect on soil.
<br/><br/><label>National Agricultural Library Call No.: </label>A279.9 Ag8 no. 7