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Climate change and agriculture: Changing monsoon patterns and increased daily rainfall contribute…
https://now.tufts.edu/news-releases/climate-change-and-agriculture-changing-monsoon-patterns-and-increased-daily-rainfall[font face=Serif][font size=5] Climate change and agriculture: Changing monsoon patterns and increased daily rainfall contribute to reduced tea yield in Chinese provinces[/font]
[font size=4]Changes could influence harvesting decisions that impact tea’s health benefits[/font]
April 8, 2016
[font size=3]MEDFORD/SOMERVILLE, Mass. (April 8, 2016)—Longer monsoon seasons with increased daily rainfall, aspects of climate change, are contributing to reduced tea yield in regions of China, with implications for crop management and harvesting strategies, according to findings by a global interdisciplinary team led by Tufts University researchers and published online today in Climate.
Studying historical weather and production data from 1980 to 2011, the researchers applied a novel technique to estimate the onset, duration, and retreat of the East Asian Monsoon for each province, using the cumulative precipitation to identify when significant weather changes occurred each year. Previous studies had approximated monsoon periods by using historical averages that place start and end dates at fixed times.
The new approach reflects the dynamic nature of weather and yields more accurate data to advance understanding of how changing monsoon patterns affect crop productivity in an industry of significant economic, nutritional and social importance, researchers say. Enabling farmers to more accurately estimate yields could influence their decisions on when to harvest, which, according to previous studies, can have an impact on the quantity of chemicals in tea that have been associated with its beneficial health effects.
“If monsoon periods continue to be longer and produce heavier daily rainfalls that could reduce tea yield and quality, then there needs to be changes in management techniques, such as possibly planting tea varietals that are more tolerant of increased precipitation or managing soil in ways to increase water holding capacity,” said lead author Rebecca Boehm, a doctoral candidate at the Friedman School of Nutrition Science and Policy at Tufts University.
…[/font][/font]
[font size=4]Changes could influence harvesting decisions that impact tea’s health benefits[/font]
April 8, 2016
[font size=3]MEDFORD/SOMERVILLE, Mass. (April 8, 2016)—Longer monsoon seasons with increased daily rainfall, aspects of climate change, are contributing to reduced tea yield in regions of China, with implications for crop management and harvesting strategies, according to findings by a global interdisciplinary team led by Tufts University researchers and published online today in Climate.
Studying historical weather and production data from 1980 to 2011, the researchers applied a novel technique to estimate the onset, duration, and retreat of the East Asian Monsoon for each province, using the cumulative precipitation to identify when significant weather changes occurred each year. Previous studies had approximated monsoon periods by using historical averages that place start and end dates at fixed times.
The new approach reflects the dynamic nature of weather and yields more accurate data to advance understanding of how changing monsoon patterns affect crop productivity in an industry of significant economic, nutritional and social importance, researchers say. Enabling farmers to more accurately estimate yields could influence their decisions on when to harvest, which, according to previous studies, can have an impact on the quantity of chemicals in tea that have been associated with its beneficial health effects.
“If monsoon periods continue to be longer and produce heavier daily rainfalls that could reduce tea yield and quality, then there needs to be changes in management techniques, such as possibly planting tea varietals that are more tolerant of increased precipitation or managing soil in ways to increase water holding capacity,” said lead author Rebecca Boehm, a doctoral candidate at the Friedman School of Nutrition Science and Policy at Tufts University.
…[/font][/font]
