Graven, E. H. <br/><br/>
The ecological environment - its challenge to the agronomist at Fort Hare :  an inaugural lecture given in the University of Fort Hare on the 16th April, 1971 / 
by E.H. Graven. 
 - [Fort Hare, South Africa] :  Fort Hare University Press,  1971. 
 - Fort Hare inaugural lecture ;  C 18 .
<br/><br/>Bibliography: p. 17-18. 
<br/><br/><label>LCCN: </label>72194648 //r84 
<br/><br/><label>Nat. Bib. No.: </label>SANB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- South Africa -- Ecology.--Agriculture -- South Africa -- Ecology.--Agriculture -- South Africa -- Ecology.<br/>Fertilizers -- South Africa.--Fertilizers -- South Africa.
<br/><br/><label>LC Class. No.: </label>S473.S6  / G72 
<br/><br/><label>Dewey Class. No.: </label>630/.27/45