As nouns the difference between crusting and hardpan
is that crusting is encrusted material while hardpan is a distinct layer of soil that is largely impervious to water.
As a verb crusting
is present participle of crust.
crusting
English
Verb
(head)
Noun
(
en noun)
Encrusted material.
- the crustings on a barrel
hardpan
Noun
A distinct layer of soil that is largely impervious to water.
A dry lake.