Show effective results with blow sand farm land treating blow sand farm land with limestone lim estone and manure on the oquawka experiment farm in benderson county illinois has resulted in large increases in yields and in profits per acre A profit of 1875 an acre more than the untreated land was the average per pei year increase in five years if manure Is not aval available lable organic matter from legume crops should be plowed under as often as possible 0 11 farnham Farn bam assistant in soil experiment fields suggested lime should be applied so as to take advantage of the maximum use of alfalfa and the clovers farnham stated the rotation of the sand land which gave the best returns Is corn soy beans rye red clover alfalfa hay wheat with a sweet clover catch crop and alfalfa the alfalfa to la sown and left fo for r five years prairie farmer |