Show continuous corn land helped by using manure results from the use of manure on farm land are measured mainly by b increases in crop yields this however Is not tile the only benefit derived A good illustration Is had find from morrow soil fertility plots at the illinois experiment station A comparison Is made of land that has been in con tinious corn since 1870 one plot receiving manure the other receiving no maji manure ure aside from increased yield in favor of the manure the most ing comparison was of the physical condition of the soil with both plots plot fall plowed the land that had bad no ma atia nure was and run together the following spring whereas the land that thai had manure was ready to work 10 ti w 14 days earlier |