Show PROBLEM OF SOIL MOISTURE Too Much Is as Bad as Too Little Little- Importance of Water Not Very Well Understood The importance of water in the soil has not been as well understood as it should b be Common soil solI contains as many as separate particles to the ounce and between all these are are infinitely thin layers of what the modern soil doctor calls film water It is Js on this film water not on the soil itself that plants feed for It dissolves from the earth particles of food which the plants require to keep them well well The plants feed too on air not air not only the air all above the surface of the earth but that which permeates the mh minute ute cracks between betwee the earth particles Ninety per cent of any crop taken oft on ona a field comes not from rom the soil of that field but from the air all above and in it iL Water however is the most important medicine which the soil doctor knows says Campbells Campbell's Scientific Farmer The amount of water needed to grow one ton of common hay bay has been calculated calculated cal calF to be sufficient to cover a one acre field more than a foot deep Fortunately Fortunately For For- for the farmer even the driest soil when compressed is discovered dis- dis covered to contain more than half It its own weight of film water Too much water In the soil oll is as bad as too little lit lit- littie tle tie for if the soil Is water-logged water the crop will get drowned as surely as asa asa asa a man can be drowned in any body ol of water |