Application of nitrogen-fixing systems in soil improvement and management / 
prepared by Y. A. Hamdi; Soil Resources, Management and Conservation Service, Land and Water Development Divison, FAO 
 - Rome :  FAO,  1982 
 - xiii, 188 p. :  ill.;  30 cm. 
 - FAO soils bulletin ;  49 .
<br/><br/> Present documents prepared on the basis of the workshop on organic meterials and soil productivity in Alexandria 
<br/><br/>Bibliography: p. 169-188 
<br/><br/><label>ISBN: </label>925101261X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management<br/>Cropping systems<br/>Bacteria
<br/><br/><label>Dewey Class. No.: </label>631