Crop physiology / 
Open Universiteit and University of Greenwich. 
 - Oxford :  Butterworth-Heinemann,  1994. 
 - xii, 270 p. :ill. ;  25 cm. 
 - Biotechnology by open learning (BIOTOL). .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references.   
<br/><br/><label>ISBN: </label>075060560x (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop physiology.