[HOT] Kindia Area - How to define an area with both habitat and proximity farming landuse ?

[Pierre Béland]

In rural areas of Africa, we often see areas with a mix of habitat and farming landuse. 
See for examplehttps://www.openstreetmap.org/#map=16/10.40825/-12.15127
For job OSM Tasking Manager - #892 - Épidémie d'Ebola, Guinée, Préfecture de Kindia, Réseau routier et zones résidentielles, creating polygons around the houses, we often trace only part of this area, ignoring the proximity farming activity.
I am opening this discussion to see if we could find a way to take into account this proximity farming. For example, we could trace a larger polygon that include both activity and use two tags two refer to this landuse.1. landuse=residential2. ???=proximity_farming?
Any comment, propositions? 
Pierre 
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