Fetching details from the dictionary...

to pour (into)
to sprinkle on (from above); to water (e.g. plants); to pour onto; to spray
to shed (tears)
to concentrate one's energy (strength, attention, etc.) on; to devote to; to fix (one's eyes) on
to flow into (e.g. of a river); to run into; to drain into
to fall (of rain, snow); to pour down
努力を灌いでこの作品を完成させた。
I poured effort into completing this work.
花壇に水を灌いで花の手入れをした。
I watered the flower bed and tended the flowers.
愛情を灌いで子供を育てている。
I'm raising my child with love poured in.