Show food and drink california orange growers have an easy method of applying g fertilizers to their groves according to the country home magazine they dump them into the irrigation stream and let the water do the work some of them buy their nitrogen fertilizer in the form of compressed ammonia gas which comes in pound cylinders the cylinder valves are opened just enough to allow the ammonia to bubble out slowly into the water which rapidly absorbs it and ci carries arries it down the irrigation furrow |