Show sweet clover cropping can be done too often the cropping system in which sweet e lover clover may be use used as it green grebil manure should include it only about once in three or four years says al ir miller chairman of the soils department of the missouri college of agriculture As a matter of fact it Is actually possible to set get too much nitrogen in rhe file soil by turning the crop under too often in such cases the soil becomes uncial unbalanced all often the vorn corn tends to fall down just as small grains tend to fall under similar circumstances I 1 A cropping system including one or two y years ars of corn follo followed by oats an and the oat ants by wheat in which tile lie sweet clover Is seeded Is a pretty good one where both oats an and a wheat ares are satisfactory file tory crops in such it a cropping system no legume hay Is provided for ani animals nials so that it Is necessary to set apart a special tract of round ground for alfalfa for hay or to have it a second rotation on oil tile the farm in which legume hay Is provided Flir farmers iners interested te td in tills this crop as a green mn nure will to do well to consider the whole matter carefully both from the standpoint of getting a stand of sweet do clo ver and from the standpoint of the cropping system best adapted to their conditions |