Our Research
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More with less
It is almost time to start thinking about nitrogen fertilisation again. From 2022 onwards, demonstrations have been carried out on […]
Cutting back shoots when planting?
Tests and practical experience have shown that cutting back shoots when planting results in better coverage than leaving them long […]
Planting in the Middle of Winter?
In 2023, a trial was established in the experimental orchard with Elstar, comparing two planting times: February and May. The […]
Pruning in relation to fruit tree canker in Conference
In recent years, we have also seen a clear increase in Neonectria infection in Conference at the trial orchard. Could […]
Mechanical pruning in Conference
Since 2020, demonstration trials with mechanical pruning have been carried out at the trial orchard on Conference, Lucas, and Xenia. […]
Mechanical pruning B.A. Lucas
In 2022, 2023, 2024, and 2025, a demonstration with mechanical pruning was carried out on half a row of cordon-trained […]
Control of Neonectria in pear is uncertain in the future.
In recent years, there has been a significant increase in fruit tree canker in pear. The standard solution to this […]
Spring fertilization in autumn?
It is important that sufficient nitrogen is available around the flowering period. A shortage of nitrogen during flowering and the […]
Early Cherry Varieties
Results for early cherry varieties 2025 & general. Early varieties from various series have been planted in Randwijk; the most […]
Late Cherry Varieties (final)
Late cherry variety results 2025 & general. Since 2016, the Final series has been planted in Randwijk and monitored annually. […]
Timing of Hand Thinning in Conference
This year, due to the moderate bloom in the trial orchard, there is little to no need for hand thinning […]
Kersenkappen – Open/Dicht in bloei
In randwijk heeft het kersenperceel van ruim 0,5 hectare 2 verschillende overkappingssystemen. Namelijke een rolkap (Rovero) en Voenkap. Hier is […]
