Isotopic studies of azolla and nitrogen fertilization of rice /  
e dited by K.S. Kumarasinghe and D.L. Eskew. 
 - Dordrecht :    Kluwer Academic,    c1993. 
 - xi, 145 p. :    ill. ;    25 cm. 
 - Developments in plant and soil sciences :    v. 51 .
<br/><br/>  "Report of an FAO/IAEA/SIDA co-ordinated research programme on isoto pic studies of nitrogen fixation and nitrogen cycling by blue-green alg ae and azolla executed by the Soil Fertility, Irrigation and Crop Produ ction Section of the Joint FAO/IAEA Division of Nuclear Techniques in F ood and Agriculture and funded by the Swedish International Development Authority." 
<br/><br/>Includes bibliographical references (p. 103-107). 
<br/><br/><label>ISBN: </label>0792322746 (HB : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Rice -- Fertilizers.<br/> Azolla as fertilizer.<br/> Nitrogen fertilizers.<br/> Radioactive tracers in plant nutrition.