Plants (Water For). It is well known that rain-water is far better than spring-water for promoting the growth of plants; this is from the former containing that which is a necessary ingredient in their formation - namely, ammonia - and which is abundant in liquid manure. The efficacy of this may be soon developed by sprinkling one-half of a grass-plot with spring-water, and the other half with water in which pounded corbonate of ammonia (about one ounce to the gallon) has been dissolved; the former will keep it alive, but the latter will give it vigour and luxuriance.