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Experts try to revitalise China’s failing high tech greenhouses
China’s increasing awareness of food safety and food security is driving development of more modern and efficient cultivation systems. Over the last 15 years …
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‘If you think you’re the best, you’ll never get any better’
For growers who have greenhouses at several locations and grow a wide assortment it is very difficult to objectively and accurately calculate all the …
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Prevent clean ground becoming infected again immediately
Chrysanthemum grower Maurice van Os, like many Dutch colleagues, has a problem with thrips in the nursery. He solves it mainly by using Amblyseius …
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More homogenous climate requires different look at equipment and controls
You’d think that the climate in modern, well insulated greenhouses would be a lot more homogeneous than in days gone by. Nothing could be …
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Can you save electricity by dimming both morning and afternoon?
Phalaenopsis growers sometimes use artificial lighting for 16 hours per day, totalling 8 to 10 mol/m2/day, especially in the winter. For a crop with …
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No artificial lighting but two energy screens and no dehumidification
Gertjan van der Spek is the first tomato grower without artificial lighting in the Netherlands to have two transparent energy screens and no dehumidification. …
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Lessons in Brazilian climate
We’ve almost reached the end of our first year at our phalaenopsis young plant location in Brazil. Until now growers bought material from laboratories …
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‘In the greenhouse temperature differences not easy to solve’
In a large greenhouse with supplementary lighting the temperature differences in winter can rise so high it’s at the expense of quality and energy …
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NGG profits from new insight into air movement and evaporation
Over the last ten years the research and experience gained from Next Generation Growing has revealed many new insights about the complex relationship between …
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‘The multitude of solutions is too complex and hinders exchange of knowledge’
Roughly 60 to 70 greenhouses in the Netherlands have invested in air handling systems and they are all different. Growers who are interested in …