terderske lujvo

s1=t1 is pedalogy [science about soil composition] based on methodology s3.

terderske2, terderske3 and saske2 subsumed. Pedalogy is one of two main branches of soil science (=derske). See also rokske,kunske.


In notes:

derske
s1=d1 is soil science [science about earth/soil] based on methodology s3.