Nothing iVin ll>s. nitrate 8oda :M) Ibs. nitrate soda 



2,f>90 ll>s. hay per aero :> acid [iho^.hai.- :i-'u arid phosphate 



HO muriate potash HO muriate potash 



7,590 Ibj. hay per acre 7,110 Ibs. hay per acre 



FIG. 55. Timothy hay responds to fertilizers, particularly nitrate of soda 



20 tons manure 10 tons manure Nothing 



7,420 Ibs. hay per acre 4.3T* Ibs. hay per acre 2,230 Ibs. hay per acre 



Fio. 5b Timothy hay responds to barnyard manure 



