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Gärtners Grüner Daumen

Gärtners Grüner Daumen - Growing Support for Greenhouse Production

The production of ornamental plants and vegetables is a significant economic activity in regional horticulture along the German-Dutch border. Rising labor costs, a shortage of skilled workers, international competition and increasing quality requirements by marketers and consumers are putting increasing pressure on the industry. Farm managers must become more and more horticultural managers. The project “Gardener’s Green Thumb” wants to make contributions that lead to a noticeable improvement and relief in company practice. Digitization and, in particular, artificial intelligence or machine learning techniques can also help micro-enterprises increase their competitiveness.

The core of the project is the development of a self-learning decision support system (DSS). For this purpose, horticultural activities are first recorded with sensors and automatically documented. Using machine-learning methods, correlations between the current and historical environmental measurements (climate, light, plant, soil) on the one hand and the decisions of the horticultural management (fertilization, irrigation, climate change, etc.) on the other hand, will be identified from the generated observations, to derive rules out of it.

For example, in the training phase, an interaction of the system with the cultural guide might be: “If similar greenhouse and plant conditions prevailed in the past, 80% of the time you have chosen alternative A, 15% B, and 5% C. Do you want to choose A again? “(Such suggestions we know in a similar way, for example, from the Amazon Online Shop). As a result, the DSS continuously learns and could, after a certain time, automatically initiate the necessary actions and only inform the horticultural manager and, by observation, derive rules for changing behavior in production, for example when a new crop is cultivated.


Planned project costs

900.000,00 €

Project Duration

1.1.2020 - 30.6.2022


Increase of cross-border innovation in the programme area

Lead Partner

Yookr B.V.

Project partners

RheWaTech Rhein-Waal Institut für Technologie gemeinnützige UG, Hochschule Rhein-Waal, Aris BV, Futura Flower Canders & Germes GmbH, ISIS-IC, Kwekerij de Grenspaal, Ingenieurbüro Gröger,


Financer Amount
Aris BV 40.000,00 €
MWIDE NRW 150.066,70 €
Futura Flower Canders & Germes GmbH 0,00 €
Kwekerij de Grenspaal 0,00 €
Ingenieurbüro Gröger 7.000,00 €
RheWaTech Rhein-Waal Institut für Technologie gemeinnützige UG 20.000,00 €
Ministerie van Economische Zaken en Klimaat 90.040,00 €
Provincie Noord-Brabant 30.013,34 €
EFRE / EFRO 299.866,62 €
Hochschule Rhein-Waal 80.000,00 €
Yookr B.V. 113.000,00 €
Provincie Limburg 30.013,34 €
ISIS-IC 40.000,00 €