Boatfield, Graham. <br/><br/>
Calculations for agriculture and horticulture / 
Graham Boatfield and Ian Hamilton. 
 - Ipswich :  Farming Press,  1984. 
 - 116 p. 
 - Farming book series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural mathematics.<br/>Horticulture--Mathematics.