Back to profile profile_subnav_contactperson - ir. MGM (Marcel) Raaphorst News Update Quantitative Information (KWIN) shows major price changes in greenhouse horticulture 30 oktober 2023 | Update Quantitative Information (KWIN) shows major price changes in greenhouse horticulture - WUR News Update Quantitative Information (KWIN) shows... New KWIN will be published next summer 20 april 2023 | The new update of the KWantitatieve INformatie (Quantitative Information on Dutch Greenhouse horticulture, KWIN) for greenhouse horticulture will be... Best method for dehumidifying greenhouse air differs per grower 4 april 2022 | Excessive humidity in the greenhouse limits crop evaporation and thus nutrient uptake. In addition, it can lead to a higher risk of fungal diseases.... User-friendly calculation model for growers of hyacinth bulbs 28 april 2021 | Growers of hyacinth bulbs are faced with a more limited range of crop protection products. In order to guarantee good quality in the future, they are... Screen fans secures better climate and lower humidity 22 april 2020 | There are several methods to prevent high humidity in the greenhouse (which may cause diseases in the crop). More and more growers opt for a screen... 12Next