Normal manganese (Mn) levels in turfgrass soils and in grass leaves

There was a long discussion on Twitter about Mn. Mark Smith posted a photo of a very green-colored green after a spray. He described the image in a tweet that read:

"Thought I’d spray some aminos and seaweed after the heat to relieve some stress and also add manganese to the tank to bypass a soil deficiency at the same time……looks like I sprayed 20kg Urea . Not sure I like it that green #noN"

Mark attributed the green color…