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Showing items 40978 through 40986 of 73422.Data are given of area planted to beans, production, and yields in the Andean countries during 1964-66, 1974-76, and 1978; production, trade, and consumption during 1963-65 and 1973-75; and production, area, and yield growth rates during 1966-76.
Studies from nine states indicate that adoption of micro-irrigation (MI) technologies - drip and sprinkler systems - has a positive impact in terms of water saving, yield and income enhancement at farm level.
Indian Himalayan basins are earmarked for widespread dam building, but aggregate effects of these dams on terrestrial ecosystems are unknown.
As the problems of impact assessement are rather intractable, a fairly simple dual approach is proposed. First the major components of environmental impact of current agricultural production systems in Africa (i.e.
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