Ash trees are primarily treated by direct injection into the tree or soil drench. Then they drench themselves with cold water, and thus are revived. In his "Water", Robert Whitman had the performers drench each other with coloured water. On the day of Holi people smear each other with colours and drench each other. Half-way through, he sits down to rest and drink some Drench! Administer the amount that the drench has specified and no more. In the spring, Santals celebrate holi when they drench each other with colours. In the spring, Manipuris celebrate Holi, when they drench each other with colour.