jameslitsinger.files.wordpress.com  · Web view1/7/2017  · 7 Trends and Priorities. Pages...

7 Trends and Priorities. Pages 108-139.

Keywords: potential arable land in developing countries, percentage potential cropland suffering from soil and terrain constraints, theoretical maximum yields in grain equivalents and existing average yields worldwide, fertilizer application rates in developing countries by region, total fertilizer use in developed and developing countries 1960-1995,growth in irrigated land in selected developing countries 1961-91, irrigated land per person in developing countries 1961-91, world per capita cereal production 1961-94, fall in harvested area of cereals in the developing world 1961-91, fall in area of harvested cereals in developed countries in 1980s, cereal production 1961-91 by region, growth of wheat and rice yields in Asia 1970-90, rice yield declines at IRRI 1966-80, cereal yields in developed countries by region, production of pulses in developing countries 1961-91, potato, cassava and sorghum yields in developing countries 1961-91, per capita livestock production in developing countries 1961-91, per capita food production in developing countries 1961-91, regional per capita food production by region 1961-91, examples of research themes for the lower potential lands