Stewart, John Bailey. <br/><br/>
Effects of shading on soil conditions. 
By J.B. Stewart ... 
 - Washington,  Govt. print. off.,  1907. 
 - 19 p.  IV pl., diagrs.  23 cm. 
<br/><br/><label>LCCN: </label>agr07001058  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil moisture.
<br/><br/><label>LC Class. No.: </label>S591  / .A12 no. 39