Crop production  a collection of practical lessons for use in agricultural education and traning 

 - The Hague  Agricultural Education Department  1989 
 - 20, [8] p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivation & harvesting
<br/><br/><label>Dewey Class. No.: </label>631.5  / CRO