Foliar Spray 
A light application of a liquid feed which is applied to the grass leaves and is not absorbed via the grass roots. A wetting agent might be added to the foliar spray to aid uptake into the leaf.
Foliar Spray
A light application of a liquid feed which is applied to the grass leaves and is not absorbed via the grass roots. A wetting agent might be added to the foliar spray to aid uptake into the leaf.