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LUZON ISLAND - PHILIPPINES (2) answer(s).
 
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ID:   364372


Philippine irrigation infrastructure: degradation trends for Luzon, 1966-1989: IRRI Social Science Division Papers, No. 90-03, July 1990 / Masicat, Policarpio; De Vera, Ma. Victoria; Pingali, Prabhu L.   Article
Pingali, Prabhu L. Article
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Summary/Abstract Using time series data for 92 irrigation systems from the Luzon island of the Philippines, this paper provides: (i) estimates of trends in irrigated area and rice area by season for the years 1966-1989 for each system (ii) a preliminary assessment of the relationship between irrigation system degradation and rice production trends
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2
ID:   364378


Two decades of Green Revolution in Central Luzon: a study of technology adoption and productivity changes: IRRI Social Science Division Papers, No. 90-15, August 1990 / Otsuka, K.; Gascon, F. B.   Article
Otsuka, K. Article
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Summary/Abstract Using farm level data collected by periodic surveys in Central Luzon during the last two decades (1966-87), this paper attempts to identify the causes and the consequences of green revolution represented by adoption of modern rice varieties (MVs). We found that contrary to popular belief, adoption of MVs did not cause subsequent adoption of labor saving technologies.
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