ADJ

deep
shallow, thin
fertile, good, rich
barren, infertile, poor
light
heavy
loose
dry
damp, moist, waterlogged, wet
acid/acidic, alkaline
contaminated
top (also topsoil)
chalky, clay/clayey, peaty, sandy, stony
alluvial, desert, forest, garden, polar, volcanic

VERB + SOIL

cultivate
dig, till, turn, work
fields of newly turned soil The clayey soils of the region are difficult to work
fertilize
drain
loosen

SOIL + NOUN

conservation
degradation, erosion
conditions, fertility, quality
declining soil fertility
type
surface
science, scientist

PREP

in (the) ~
The flowers do well in sandy soil

ADJ

native
foreign

VERB + SOIL

set foot on
She first set foot on French soil at a small Channel port

PREP

on … ~
protests over the siting of nuclear weapons on British soil