Balfour, E. B. <br/><br/>
The living soil and the haughley experiment 

 - Rev. ed. 
 - London :  Faber and Faber,  1975 
 - 383 p. 
<br/><br/><label>LCCN: </label>60595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abonos.<br/>Compost.<br/>Diagnóstico foliar.<br/>Humus.<br/>Suelos--Microbiología.
<br/><br/><label>Dewey Class. No.: </label>631.46  / B35 1975