Practical application of azolla for rice production  proceedings of an international workshop, Mayaguez, Puerto Rico, November 17-19, 1982 
edited by W.S. Silver, E.C. Schroder 
 - Dordrecht  M. Nijhoff/Dr. W. Junk Publishers  1984 
 - viii, 227 p.  26 cm. 
 - Developments in plant and soil sciences  v. 13 .
<br/><br/> First International Workshop on "Practical Applications of Azolla for Rice Production", organized by the University of Puerto Rico-Mayaguez Campus 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--Fertilizers<br/>Azolla as fertilizer
<br/><br/><label>Dewey Class. No.: </label>633.1  / 88947