Use of crop=*

Namaste dear Friends,
I made in last days some edits in Ilam.
I realized, there is no mapping of tea areas.
Just for the record:

landuse=farmland
crop=tea

Example:
http://www.openstreetmap.org/way/483635801#map=16/26.8677/88.0836

Maybe you could write to the rendering discussion greup with positive voting for this rendering ideas:
http://wiki.openstreetmap.org/wiki/Key:crop

Suva bihani,
Marek