Guides7 min read
Why iron never reaches the root in calcareous soil
Yellowing young leaves is almost always a fixation problem, not a shortage. Why the choice of chelate matters more than the rate you apply.
Insights and news
Technical articles, field findings and company updates.
Guides8 min read
How trunk injection works and which trees it suits
A complete guide to vascular injection: choosing the bore site, calculating the dose and caring for the tree afterwards.
Guides6 min read
VPD in the greenhouse: the number that explains most fungal problems
If you spray fungicide every ten days and still have Botrytis, the fungicide is probably not the problem.
Guides5 min read
Sampling soil properly — the step that usually goes wrong
Even the best laboratory cannot produce a valid result from a bad sample. A practical guide to composite sampling.