Exact(12)
Straw return regardless of tillage or N management did not reduce rice yield.
The more modest temperature increases, the researchers say, could reduce rice yields by 20 to 40percentt by 2100, while the larger increases predicted by more dire forecasts could cut rice production essentially to zero.
The International Rice Research Institute (IRRI) forecasts that climate change will reduce rice productivity by 14% in south Asia, 10% in east Asia and the Pacific, and 15% in sub-Saharan Africa.
NOT even the most ardent reformers around Shinzo Abe, Japan's prime minister, believed that he would dare to scrap the policy, known as gentan, under which the government has paid farmers to reduce rice crops since 1971.
Threat to Rice Crops If society did not have enough reasons to worry about possible global warming, here is another one: even modest temperature increases predicted by some climate forecasts could be enough to reduce rice yields significantly over the next century.
Such warming will thus reduce rice growth.
Similar(48)
MIT field study shows that arsenic in groundwater reduces rice yields in Bangladesh.
It is usually assumed that the dam's irrigation of other land will make up for the economic loss, but a study of the Kainji dam on the Niger reckoned that the dam reduced rice production downstream by 18% and the fish catch by 60-70%.
Drought is the most severe abiotic stress reducing rice yield in rainfed drought prone ecosystems.
Salinity in the coastal area degrades soil quality which in turn reduces rice production.
GS6 encodes a member of GRAS family proteins, which plays an important role in reducing rice grain size.
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