[Tagging] Added tables for values to key produce

[Tom Pfeifer]

On 12.01.2017 02:19, Warin wrote:

> So I have added 3 tables to the wiki produce page; aquaculture, farm and
> forestry.

I see no problem with defining these values.
(hm, corn is AmE and should be maize for clarity and BrE).

Question remains if there is a need to proactively add so many values to 
the wiki before somebody has a need to use them. The wiki should not 
become the yellow pages of everything produced on the planet. It should 
be a reference what tags mean that are being used.

tom