Nwankiti, A <br/><br/>
The effect of height of staking and size of planting sett on some aspects of growth of water yam (dioscorea alata L.) and anthracnose disease severity 
 Interactions plantes microorganismes 

<br/><br/>bibliogr. p. 405-406 
<br/><br/><label>ISBN: </label>9185798312