Show MANURE IN CROP ROTATIONS Increased Yields Secured In Experiments Experiments ments at West Virginia and Ohio Experiment Stations The agricultural value of manure usually Is greater grenter than the plant food value alue For example the application ot of f 12 tons of manure a year for 15 years ears at nt the lie Virginia expedient experiment ment station gave Increased crop yields elds valued at 40 on on an acre a year or a ton for tor the manure used During Dur Dur- Ing ng a period of ten years the Ohio ex- ex experiment experIment station has obtained an Increase increase In- In crease rease of ot crops valued at a ton for tor or the manure used The application waR was as made at nt the rote rate of ot eight tons of i ill ii fit tun acre during a year five ro ro- roI I tattoo atlon of corn wheat oats clover and timothy Two applications of ot four tons each ach were made one for corn and one for tor or clover Manure used In connection with continuous grain cropping did not maintain the yields but when used In connection with crop rotation the yields of ot all nil crops were Increased |