Heisey, Paul W. <br/><br/>
Accelerating the transfer of wheat breeding gains to farmers : A study of the dynamics of varietal replacement in Pakistan 

 - 94 páginas 
<br/><br/><label>ISBN: </label>968-6127-40-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigo<br/>Variedades<br/>Produccion de Semillas<br/>Resistencia a la Enfermedad<br/>Pakistan