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Show PLANT-FOOD IS CARRIED AWAY i Mississippi River Washes to Gulf Large Quantity 1 I.K.VINOTt.X, Kv May 11 - Mors of I the plnnt eU-uiente thst help to mnke humprr crops In Ihe Ohio snd Mia I a nlppl H)ie Is whi!ih infn the Oulf j of MexU'u annus II y than used hy , cron. Na hey grow to innlurltv. according ac-cording to a hi!)tln on 'The Iternoval of plant Food b Natural ratnsae." Just Issued hy the Kemmkv Agricultural Agricul-tural Kxperiment Ktstlon. The txiUeiin Is the result of r?e-arrh work hv 1 r. J H. McMargne. one of the aratlon chemlat a. The two a rent rivers annunllr wseh away a total of - 47.H22.M4 tons of the slv elemenlN thst furnish food for planta. according to the bulletin. The cash value of these lost elements Is placed st $2.?&.0df) .124. Ths Mlssle-plppl Mlssle-plppl river alone. It Is axserted. sn-nuslly sn-nuslly empties more than one and one-half one-half billions of dollars' worth, washed sway from points along Ita banks, Intu the ili;lf of Mexico every veer. If all of the eourres of plant food Toes from the soil could he accounted for. esid the chemist. It Is prohnMe thaf the portion removed permanently by crops. In any system of farming, would be found extremely small In comparison compari-son with the amount lost through drainage waters. This, he savs. In one of the problems of sgrlculture to which farmers have given little attention. Msterisl for the bulletin waa obtained ob-tained by Hr. MrHargue hy analysing scores of samples of warer-taken from springs and streams throughout Kentucky Ken-tucky and other slates rive gallons I of water waa contained In each sample. sam-ple. Ths tests were for the phosphorus, pot senium. nltrste-nttros-n. calcium, magnesium, sulphur, sodium, chlorine snd manganese they contained;- Resides the Oh I nnd Mississippi rivers, riv-ers, the chemist took samples from the Kentucky, the IJcklnjr. the Tennessee, the t'uml'erland and ths lasesn flyers. |