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Record number 536824
Title Vergelijking klimaat Paprika : Analyse van Het Nieuwe Telen Paprika bij Delphy Improvement Centre in vergelijking met een praktijkbedrijf
Author(s) Raaphorst, Marcel
Source Wageningen : Wageningen University & Research, BU Glastuinbouw (Rapport WPR 747) - 34
Department(s) WUR GTB Tuinbouw Technologie
Publication type Research report
Publication year 2018
Abstract The indoor climate, the heat use and the production of a demonstration trial with sweet pepper are compared with a commercial grower. With intensive use of the screens a 59% lower use of heat is achieved. The intensive use of screens has decreased the amount of light with 4% in comparison to the commercial grower. The biggest difference was during the first three (winter) months of cultivation. The roof also showed 4% less light transmission. By dosing 64% less CO2, a lower CO2 concentration was obtained, which should have led to 4% less photosynthesis according to the CO2-rule of thumb. Despite the lower light intensity and lower CO2 concentration, the production was just 10% lower than at the commercial grower. This indicates that CO2 and light have been a little less restrictive than what would be expected from the rules of thumb.
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