"Impact of Research and Seed Trade on Maize Productivity"

Agricultural Research Policy: International Quantitative Perspectives

Author(s): 

Ruben G. Echeverria

Citation: 

Chapter 11 in Agricultural Research Policy: International Quantitative Perspectives, eds. Philip G. Pardey, Johannes Roseboom and Jock R. Anderson, (Cambridge, United Kingdom: Cambridge University Press for the International Service for National Agricultural Research (ISNAR), 1991), pp. 365-396