date:Aug 25, 2020
The recent hot days will be disastrous for the lettuce yields during the next two weeks, says Johan Desmet, who grows various types of lettuce in a 5-hectare hydroponic greenhouse in Izegem, Flanders. Colleague lettuce grower Geert Van Hulle also encountered problems.
Desmet estimates his loss of income at up to 50 percent for this and next week, due to failure and loss of quality. Lettuce cultivation gets into trouble when the temperature in the greenhouse exceeds 40 degrees Celsius, and that