South Korea: On days with severe fine dust and yellow dust, the greenhouse also needs to be ‘washed’

- 30% reduction in insolation due to dust reduces the yield of tomatoes by 27% and cucumbers by 39% When yellow dust and fine dust occur in spring, there is not enough light entering the facility, causing crops to overgrow or flowers and fruits to fall, resulting in a decrease in yield. The Rural Development Administration suggested a facility management method that could increase the light transmittance of farms growing facilities in the spring and help maintain the quality and stable production of crops. According to statistics from the Korea Meteorological Administration, the annual number of yellow dust occurrence days in Korea increased from 7.7 days in the 1990s to 11.2 days in the 2010s, and it was found that February to April was the most severe. In addition, the concentration of fine dust continues to increase due to yellow dust. As a result of a study by the Rural Development Administration, it was confirmed that if the amount of insolation decreased by 30% due to the ...