Show continuous corn land helped by using manure results from the use of manure on farm land are measured mainly by increases in crop yields tills this however Is not the only benefit derived A good illustration Is had from the morrow soil fertility plots at the lilt illinois experiment station A comparison Is made of land that has been in continuous corn since one plot receiving manure the other receiving no manure aside from increased yield in favor of the manure the most striking comparison was of the physical condition of the soil with both plots fall plowed the land that had no manure was and run together the following spring alit whereas reas the land that had manure was ready to work 10 to 14 days earlier |