farmers
fertiliser
fields
horse manure
making soap
manure
manuring of meadows
soap, make/making
alder
ash/ash tree, Fraxinus excelsior L.
Betula L. sp. > birch
birch, Betula L. sp.
Fraxinus excelsior L. > Ash, ash tree
grass/grasses
hay
marsh
oak, Quercus L. spp.
peat
speedwell, Veronica officinalis L.
Veronica (8), Veronica officinalis L.
Veronica officinalis L. > speedwell
Veronica officinalis L. > Veronica (8)
barber-surgeons
clay
manure
sand
soil
Norwegian mountains
Linnaeus, Carl
cattle
goats
horse/horses
sheep