Soil moisture is a most important factor in desert agriculture, since it determines how much irrigation is required.
(Soil moisture; is; a most important factor in desert agriculture; since it determines how much irrigation is required) (it; determines; how much irrigation is required) Context(it determines,List([70, 83))):(how much irrigation; is required; )
it determines,List([70, 83))
Soil moisture it how much irrigation
is determines is required
a most important factor in desert agriculture since it determines how much irrigation is required
how much irrigation is required