Bot, Alexandra. <br/><br/>
The importance of soil organic matter :  key to drought-resistant soil and sustained food production / 

 - Rome :  Food and Agriculture Organization of the United Nations,  2005. 
 - xi, 78 p. :  ill. (some col.) ;  30 cm. 
<br/><br/><label>ISBN: </label>9251053669 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils<br/>Soil productivity.
<br/><br/><label>Dewey Class. No.: </label>631 FOO 2005 A036 Or.