Kourik, Robert. <br/><br/>
Roots demystified :  change your gardening habits to help roots thrive / 
Robert Kourik. 
 - Occidental, Calif. :  Metamorphic Press,  c2008. 
 - vii, 165 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references (p.157-159) and index. 
<br/><br/><label>ISBN: </label>9780961584801 (pbk.) 9780961584832 
<br/><br/><label>LCCN: </label>2007902280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roots (Botany)
<br/><br/><label>LC Class. No.: </label>QK644  / .K68 2008 
<br/><br/><label>Dewey Class. No.: </label>635/.04