Kumarasinghe, K. S. <br/><br/>
Isotopic studies of Azolla and nitrogen fertilization of rice  : report of... 

 - Dordrecht :  Kluwer,  1993 
 - 145 p.  : ilus. 
 - Developments in plant and soil sciences  ; 51 .
 - Developments in plant and soil sciences  ; 51 .
<br/><br/><label>LCCN: </label>56340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Azolla.<br/>Energía atómica en agricultura.<br/>Fertilizantes nitrogenados.<br/>Fertilizantes para arroz.<br/>Radioisótopos.
<br/><br/><label>Dewey Class. No.: </label>631.87  / K8