Principles of field crop production (CRSCI-100) :  laboratory manual / 
Justo G. Canare Jr., Pedrito S. Nitural, Nemesio V. Tamayo, Rosemarie T. Tapic. 
 - Science City of Munoz, Nueva Ecija :  Central Luzon University,  2014. 
 - iv, 97 pages :  illustrations ;  27cm. 
<br/><br/><label>ISBN: </label>978-971-705-348-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop production.