Charles, A. H. <br/><br/>
Variation in grass and clover population in response to agronomic selection pressures. 

<br/><br/> Sobretiro de: Proc. 10 International Grassland Congress, 1966. pp. 625-629. 
<br/><br/><label>LCCN: </label>70514 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lolium perenne.<br/>Trifolium repens.