Murphy, William Michael. <br/><br/>
The effect of frequency and height of cutting on seeding-year yields, botanical composition, and nutritional value of eight perennial subtropical pasture mixtures in Rio Grande do Sul, Brazil 

 - (s.l.) :  The Author,  1972 
 - 121 h 
<br/><br/> Thesis (Agronomy) -- University of Wisconsin. Graduato School. Doctor of Philosophy 
<br/><br/><label>LCCN: </label>41820 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastos forrajeros.<br/>Pastos--Análisis.