From Lotro-Wiki.com

Superior Grain Farmland

Superior Grain Farmlands are used by Farmers to plant Grain Fields using Artisan and Master recipes.

While on Superior Farmlands you will have both the Farmland and Superior farmhand icons in effect. This allows you to grow recipes requiring either type of farmland.

Location

The Shire

• Hobbiton

Specifically located north-east of Hobbiton's stable (follow the road north from the stable, on the east [right] side of the road) - Coordinates: (30.4S, 70.4W).

Farmhands

• Olo Proudfoot: an Expert Farmhand who sells Artisan and Master level recipes, ingredients, and tools as well as the lower level items.