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| Authors: | J. van den Ende, G.A. Boertje |
Abstract:
The Dutch vegetable growers obtain their potting soil from suppliers specialising in composing potting soil.
In the western part of the Netherlands the potting soil is often made of a mixture of low-moor and high-moor peat to which sand and fertilizers are added.
It is known by experience that dressings of trace elements get more important as the percentage of high-moor peat in the potting soil increases.
In the propagation of lettuce, tomato and some other vegetables especially the trace element molybdenum is of importance.
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