Sentences with phrase «rice yields decline»
http://www.ers.usda.gov/topics/crops/corn/background.aspx [2] «Rice yields decline with higher night temperature from global warming» www.pnas.org/content/101/27/9971.full [3] «This paper concludes that a stronger link between energy and nonenergy commodity prices is likely to be the dominant influence on developments in commodity, and especially food, markets.»
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Shaobing Peng et al., «Rice Yields Decline with Higher Night Temperature from Global Warming,» Proceedings of the National Academy of Sciences, vol.
Shaobing Peng et al., «Rice Yields Decline with Higher Night Temperature from Global Warming,» Proceedings of the National Academy of Sciences, 6 July 2004, pp. 9971 — 75; Proceedings of the National Academy of Sciences, «Warmer Evening Temperatures Lower Rice Yields,» press release (Washington, DC: 29 June 2004).
So you know, people learn how to double dig beds and do various soil conservation techniques; they learn how to intercrop, all kinds of things; agroforestry, learn how to grow large amounts of fish in [a] rice paddy, [so even] if you're rice yield declines a little bit your protein yield goes [through] the roof.
Not exact matches
Gradually the diversity of foods in the diet began to decline as our ancestors limited themselves to a few high - yielding species such as wheat and rice.
An increase in carbon dioxide and a rise of, for example, one - half degree in the average temperature, will trigger a significant decline in the rice yields in Southeast Asia and as much as a 25 percent drop in the wheat yields in India.
A 2004 study published by the U.S. National Academy of Sciences showed that for each 1 degree Celsius rise in temperature during the growing season, we can expect a 10 percent decline in rice yields.
Regarding crop yield declines for rice, previously research on rice grown in Asia has shown that for every 1 °C increase in minimum nighttime temperatures crop yields declined 10 %.
The report says that draining rice paddies in mid-season and using different fertilizers can reduce methane emissions, while switching to more heat - tolerant varieties of rice can offset crop yield declines.