Systems where developed to control erosion and conserve the soil which means to avoid that the soil moves from one place to another.
(Systems; developed; ) (Systems where developed; to control; erosion) (Systems where developed; to conserve; the soil which means to avoid that the soil moves from one place to another) (the soil; means; to avoid that the soil moves from one place to another) Context(the soil means,List([56, 76))):(the soil; means to avoid; that the soil moves from one place to another) Context(the soil means to avoid,List([56, 85))):(the soil; moves; from one place to another)
the soil means,List([56, 76)) the soil means to avoid,List([56, 85))
Systems Systems where developed Systems where developed the soil the soil the soil
developed to control to conserve means means to avoid moves
erosion
the soil which means to avoid that the soil moves from one place to another
to avoid that the soil moves from one place to another
that the soil moves from one place to another
from one place to another