The plant root and its environment :  proceedings of an institute sponsored by the Southern Regional Education Board, held at Virginia Polytechnic Institute and State University, July 5-16, 1971 / 
edited by E. W. Carson. 
 - Charlottesville :  University Press of Virginia,  1974. 
 - xii, 691 pages :  illustrations ;  27 cm. 
<br/><br/> 'Sponsored by the Southern Regional Education Board.' 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0813904110 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roots (Botany)--Congresses.<br/>Plant--soil relationships--Congresses.