ISHS Acta Horticulturae 50: Symposium on Peat in Horticulture
GROWING VEGETABLE CROPS IN ROCKWOOL AND OTHER MEDIA |
| Author: | F.L.J.A. Verwer |
| DOI: | 10.17660/ActaHortic.1975.50.7 |
| Abstract:
Prelimiary trials with lettuce, tomatoes and cucumbers showed that it is possible to have a complete crop in rockwool. So in 1973 we set up some small trials with lettuce and some larger ones with tomatoes (self topping type) and cucumbers (autumn crop). At about the same time we read about other cultivation methods with tomatoes and cucumbers. Cooper and Douglas introduced the nutrient film system, Klapwijk, at the vegetable research station in Naaldwijk set up trials with plants growing in containers filled with peat standing in a layer of water. So, in 1974 we compared the cultivation methods in rockwool, nutrient film, peat in 8 l. containers standing in a layer of approx. 4 cm water and trays with normal glasshouse soil for tomatoes (self topping type) and an autumn crop of cucumbers. I wish to thank Mr. Steiner for his indespensable advice and staff of the vegetable research station, Naaldwijk, for many valuable suggestions. | |
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