Once active iron is available and the plant's root system has been encouraged to take it up, iron problems will disappear.
(active iron; is; available) (the plant's root system; has been encouraged; to take it up) (the plant's root system; to take up; it) (iron problems; will disappear; T:Once active iron is available and the plant's root system has been encouraged to take it up)
active iron the plant's root system the plant's root system iron problems
is has been encouraged to take up will disappear
available
to take it up
it
T:Once active iron is available and the plant's root system has been encouraged to take it up