Tomatoes stay green
A friend of mine has about 30 tomato plants. Some from me and some from a nursery. He planted out end of may/beginning of june and they grew fine. They are in a big plastic tunnel,about 10 x 4 m.
He has never eaten a tomato this season because they do not ripen. Green tomatoes yes, but no blush. They just sit there and do nothing...
I really dont know what it could be.
Soil has lots of manure, just like mine. But I have tons of tomatoes!
Any idea?
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