Show Fertilizer r Program for Whole Rotation Increases Fund of and Improves Soil The soundness of of n n R fertilizer program program program pro pro- gram that cons considers not only the crop crop Immediately fertilized but all aU the crops in a rotation Is beginning to bo be recognized The balance sheet which winch shows a n profit from expenditure for or fertilizer Is not complete unless It considers the residual effect of or fertilizer fertilizer fer fer- fertilizer applications on other crops Here Is a case in point point-in point in n a a series of at fertilizer tests by the Wisconsin experiment Bt station tIon In southern hern Wisconsin Wisconsin WIsconsin Wis WIs- worth of ot fertilizer produced produced produced pro pro- an nn Increase of at 8 85 bushels of at oats as an average on 23 farms arms If It the tests had stopped with the oat yields doubtless the returns would not have satisfied some of the fertilizer users But the following year yen 1 clover which followed oats on nine of ot the farms yielded pounds more hay per acre where the oats had been fertilized On 17 37 farms where alfalfa alfalfa al al- al falfa followed fertilized oats an Increase Increase increase In In- crease of pounds of hay per acre was obtained in th the first cutting Yields on the second and third cuttIngs cuttings cuttings cut cut- tings could not be obtained but would unquestionably raise the pounds Increase materially In a good farming system such Buch re re- suIts cults as ns the above are carried on to following followIng- crops With th the larger crops clops more stock can be fed ted and more manure produced to return more to the soil soli The net effect of a sound fertilizer practice on general general gen general gen gen- eral farms Is is to Increase the revolving revolving revolvIng ing fund of ot resulting In continued s soil Improvement |