Irrigation is the method in which a controlled amount of water is supplied to plants at regular intervals for agriculture. It is used to assist in the growing of agricultural crops, maintenance of landscapes, and revegetation of disturbed soils in dry areas and during periods of inadequate rainfall.
The President signs each appropriations bill and the budget becomes law Step 1: The President Submits a Budget Request The president sends a budget request to Congress each February for the coming fiscal year, which begins on Oct. 1. 5
(called making a veto. Congress can make it law  over his veto by passing it again with a 2/3 favorable vote in both  houses of Congress. )    The president can: Sign the bill within 10 days Veto the bill or Use a pocket veto. The president can sign, veto or ignore a bill. If he signs the bill or if he ignores the bill, it becomes law. What he cannot do is change or amend the bill in any way. He can only use the pocket veto if congress adjourns before the prescribed ten days lapse. 3 people found this useful.