The fertilizer is spread on top of the winters snow just before the snow melts, and will be absorbed into the soil along with the melt-water.
(The fertilizer; is spread; on top of the winters snow; T:just before the snow melts) (The fertilizer; will be absorbed; into the soil along with the melt-water)
The fertilizer The fertilizer
is spread will be absorbed
on top of the winters snow T:just before the snow melts
into the soil along with the melt-water