A Recent study has revealed that global warming could hamper the growth of rice. They advised farmers to implement innovative farming management techniques and switch over to more heat tolerant varieties.
Rice production slow down would affect billions of people worldwide as it the most important crop and staple diet for almost half the population of world. A drop in production could result in food scarcity, exponential price rise and in a worse case famine.
The study was conducted by a team of researchers from University of California, San Diego. The study also enumerated that yielding of rice slow down at night temperature as it has been witnessed that due to rise in global temperature night temperature is gradually increasing. However, researchers are still in doubt about the exact reason of drop in night temperature.
"With few exceptions, most statistical studies on temperature and rice yield have focused on the impact of daily mean temperature," the team says in the study, published online in the latest issue of the U.S. journal Proceedings of the National Academy of Sciences.
Earlier study said that a high temperature could be beneficial for rice production, but to the point and after that yielding would hamper. Nevertheless, the study revealed that higher night temperature would perilously harmful for rice production or totally wipes out any grains.
The new research depends on the IRRI (International Rice Research Institute) data, which has covered six year (1994-1999) in countries like China, Vietnam, the Philippines, Indonesia, Thailand and India.
The data covered six years from 1994-1999 based on a major study by IRRI on the productivity of intensively managed irrigated rice farms in China, Vietnam, the Philippines, Indonesia, Thailand and India.
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