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Nutrient deficiency in peppers despite perfect drainage values
When several of the sweet pepper plants at Zwingrow in Honselersdijk (Westland, the Netherlands) were found to be growing more slowly than the rest, …
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Erwinia
Erwinia is a bacterial disease that can cause damage in a range of crops. It often produces watery looking, rotten patches on the leaves, …
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First grower sheds more light on anti-condensation coating
In the past, greenhouse roof light transmittance has always been measured when the roof was dry. But a greenhouse roof spends half the year …
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Rain and drought in Africa
A lot of things are unfairly distributed in the world, and rain and drought are no exception, especially in Africa. Last month I was …
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Time for resistance
It’s always an exciting time when the first flowers appear in the new crop. We proudly put them in a vase at home so …
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Spotlight on knowledge sharing and future trends
The German trade fairs IPM Essen and Fruit Logistica in Berlin are among the leading events in the world for the ornamentals and fruit …
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‘Before the problem starts, build up a vigorous predator population’
Supplementary feeding of predatory mites with a pollen preparation has outgrown the trial phase. A large number of growers is successfully using this method. …
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Sweet pepper growers can get by with less CO2 in winter
Sweet peppers can manage with 800 ppm CO2 in the winter months. Supplying more than that doesn’t boost photosynthesis: in fact, the sweet pepper …
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Maintenance starts with rinsing filters clean after every use
A sprayer is an indispensable part of many a grower’s kit, whether we’re talking spray robot or spray gun. When you’re buying a sprayer, …
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Lots of benefits for the plant and more pleasant working environment
The new diffuse screen from Svensson provides even better light distribution than the previous version. But growers are also still very keen on the …