As presented in Figure 1 , the temperature displayed an increasing trend in the early season but a decreasing trend in the late season from sowing to maturity, whereas the daily solar radiation did not show a consistent seasonal pattern.
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Productivity and global warming potential of direct seeding and transplanting in double-season rice of central China.
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The sentences
At the beginning of the 21st century, there has been an increasing trend of shifting from rice transplanting to direct seeding in many countries including China (Pandey & Velasco, 2005 ; Sun et al., 2015 ).