Show RIDE N THE ROTH AMSTED experiments sir 1 it I 1 skwe I ivr s notable IN ic Is in tile the Intel interests ests of Slim line liny going to Ing angland Cn gland larid havo have visited isted inspected the in and ami ninde aliv lh acquaintance of sir jolin john dennett liwes lilaa ag work there luring during the last lifty fifty years is ii known throughout the civilized world this frien tily intercourse ter course liia lias leil led sir jolin john to institute a courso of lectured lec to be 19 deli i cred bien finlly in the united states slates upon annon the in carried carri oil on oil at isted croul it a report published by the alo appart ment anent of agriculture of tile first six lee buies delivered under tho the lawes at washington by robert warington F R S wo we learn the fol following lowin sir john entered apon lih iiii home fanu fana of acres in 1831 three or four beara ears later lie begin experiments experiment i in pots upon the tha effect of various manures ma nurea and these led to field experiments if ll 11 qi f e 1 t 1 1 1 k I 1 1 1 fill 1 aji SIR J B tho the foundation of tile station for agricultural experiments is ia earlier than that of any other with the sin single io exception of that established iu in alsace tile tho earliest german station that at bockern mockern Moc kern was founded foil adeil in 1832 1852 the earliest american station at mid town conn in 1875 the earliest of tho the systematic field experiments at were those with turnips turnip commencing in ili 1813 the continuous wheat experiments commenced in th tin 3 autumn of the same 3 car the first hari est being in 1611 1 in ili tho the earlier trials made upon turnips antl and wheat the manures varieda a good deal fr from om bear i ear to year and thespina thes the sama nina plot was not always treated in the gain eam way 4 a now 1 toi toina I nr ra toon adap adopted t and I 1 as sill silica ce been generally adhered to in ili tho the later systematic experiments each plot receives every year tho same unless a change 0 of treatment is needed I 1 to attain son e special object tho the substances applied aro are ammonium salts balls sodium nitrate malle mada from bono rish potassium sulphate magnesium sulphate and sodium sulphate rho various constituents of plant food cro thus flins applied in a and active form tile tho weight of each constituent applied is also alio known so co th hat it the I 1 ie e suits admit of quantitative treatment wheat has been gilwit in the celebrated broadback Broad balk field every year for forty eight ye years arsand and there is ia at present no appearance of any decline in its fertility our second cut is from a photograph representing the wheat harvested in 1678 fiona seven of tho the plots riot plot 2 has farmyard manuro manure every henr bor sinco since 1811 plot 3 has been unan for the same period plot 5 lias re 2 3 5 G 7 k fy L av k I 1 r W t wl ya I 1 |