China: Leafy vegetables grown during dog days in hydroponic farm

In the scorching summer, some leafy vegetables in greenhouses are already wilted before the dog days. Many farmers stop growing leafy vegetables in July and will replant them when it cools down, but in an 8 hectare vegetable base in Jugezhuang Town, Miyun District, Beijing, the water spinach and amaranth in the four greenhouses are not only growing well, but the output is also high; they can be harvested every 10 days. Greenhouses no longer idleThis will be the fifth year that the leafy vegetables will be grown hydroponically, and the second year that the base will produce hydroponic leafy vegetables in summer. Normally, lettuce was grown in the greenhouses, but due to the heat, it has not been grown there in the past few summers. "The greenhouses are idle in summer, but I hope we can find a way to make use of them," Cao Caihong, an agronomist at the Beijing Agricultural Technology Extension Station said. The two months in which the greenhouses will not grow any crops will cause ...