Results of te fifth international spring wheat yield nursery, 1968-1 969.   

 - Mexico :   International Maize and Wheat Improvement Center,   197 1. 
 - 12 p. :    ill ;    23 cm. 
 - CIMMYT Research Bulletin ;   no.19 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wheat --Varieties ------Tables -- Periodicals.--Tables --Periodicals.<br/>Wheat --Field experiments ------Periodicals.--Tables --Periodicals.<br/>Wheat --Yields ------Tables -- Periodicals.--Tables --Periodicals.