I agree that the information "crops are rotated in this field" is not verifiable, because it is recording historic information about what happened the last few seasons, rather than what is in the field right now.
It is ok to tag the crop that is currently planted in a field, especially if it's a perennial crop which will be the same for several years. Even if it is only an annual it might be semi-permanent: rice terraces are used to plant rice every season, because they are specially designed and irrigated for that purpose, for example. And if a mapper wants to add information on the current crop this year, this is fine too: though it might require updating each year. I've previously asked about a tag for farmland (cropland) which is currently fallow. If it's been fallow for a while, usually grasses or other semi-natural vegetation will grow back (in most climates), and it can be tagged as landuse=meadow (even if it's not used for hay or grazing). But before that, it's not clear if there is a tag for cropland that is unplanted and temporarily fallow for a few months to 1 year. - Joseph Eisenberg On Wed, Jul 22, 2020 at 2:57 AM Mateusz Konieczny via Tagging < tagging@openstreetmap.org> wrote: > > > > Jul 22, 2020, 11:33 by dieterdre...@gmail.com: > > > > sent from a phone > > On 22. Jul 2020, at 10:36, Volker Schmidt <vosc...@gmail.com> wrote: > > I would go with farmland, orchard, vineyard and not even consider > indicating any rotation of crops. > > > > +1, these are also those that I distinguish, because annually sown crops > are subject to frequent changes, while you typically will keep vineyards > and orchards for many years. > > +1, I would consider crop rotation tagging as historic unverifiable data > and therefore out of scope of OSM > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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