10 



Agricultural Research and Productivity 



Table 1.2: Agricultural Produclivity Measures in Selected Countries and Periods 



Rate oj iirowlh 



Sources: Landau and Evenson (1972): US. Griliches (1968): Canada, Northwest 

 Europe, Soviet Union. Kislev (1973a): Israel. Hayami (1972): Japan, Taiwan, 

 Korea, Philippines. 



and periods are presented in table 1 .2. Productivity increases have 

 not only augmented the effect of input increases on output, but 

 have also, in some countries, permitted output increases without 

 an increase in conventional inputs; the increase in capital was 

 offset by the reduction in labor as seen in recent US and Canadian 



