Overview. Kidney stones are also known as calculi (plural), or calculus (singular). When it is in the kidney, it is a renal calculus. The tube draining the kidney to the bladder is the ureter, and a stone in the ureter is a ureteral calculus. It is estimated that 20% of us will have a kidney stone in our lifetime.
âIt wasn't long ago that sprayers were a niche product,â says Cory Venable, John Deere product manager. âNow they have become an essential product for effective crop production. More and more producers are seeing the value and return on investment that a self-propelled sprayer offers.
The 128th acre shortcut method can also be used for. calibrating the output of handheld sprayers. With this. method one ounce of discharge equals a one gallon per acre. output. Measure an 18Â½ x 18Â½ foot area which represents a. 128th acre.