Show Value of Manure Found on Various Iowa Iova Farms There are two ways ways- of ot placing a avalue avalue avalue value on farm tarm manure One way is to apply the prices per pound of commer commercial commercial com com- mer mercial al nitrogen phosphorus and potassium to the number of pounds of these elements supplied In Inthe the the manure manure ma ma- nure the other ther way Is to credit manure manure ma ma- nure with the crop Increases It produces produces produces pro pro- duces at given prices for tor these crops Of these two methods the latter Is Ismore Ismore ismore more practical to the farmer The Iowa station has Just issued Bulletin which tells of the value of manure manur as found on 43 different fields in various parts of that state Th The value of the Increase In cr crops clops ps was computed from a year ten average average average aver aver- age price On this basis and that of ot the crop Increase credited to the manure manure ma ma- nure a ton of manure was vas found to tobe tobe tobe be worth The rate of application application application tion was eight tons per a acre re once In a year four-year rotation I |