New Vouk Aciuuuii/riiuAL ExriciuMiONT Station. Iil5 



Fi<:irriiJzi<:Ks uskd. 



The piirposos of jlicsc cxpciiiiK'nIs as iiiiallj arranj^cd rcciiiirctl 

 tlic use of cijilit (lillciciil niixhircs of fci'l ili/.in^ nialcrials, (lie 

 iii};r('(li(*n(s and coinposil ion (»f wliicli arc ^ivcn below. 



TIh' several form n las were made up by mixing' (oj^elliei" varyinj^ 

 (piantilies of nilrale of soda, di'ie<l blood, acid phosphate and 

 eillier Ihe muiiale or Ihe snljdiale of |Mdash. 



It was intended llial appi'oximalel.v one foiiilh of Ihe ni(ro^<.'n 

 fni'nished by (hese mixlures should be nilric, and (hree fourlhs 

 (M'fianir, nilro;^('n. TIk' mannfaci nreis win* mixe<i Ihe feilili/ers 

 were also insliMicled llml Ihe phosphoric aciil sliould be as lar<;(dy 

 soluble as possible. Analyses of (he four mixlures showed (hat 

 I hese condilions were s<'cui'ed. 



rOTATO KOIIMTTLA. 



Tliis f()rmula is suj>|Hised lo conlain plan! foods in nearly <he 



]»roj)orti()ns used by (lie enlii-e |to(alo plant c.xceittin^ that the 



jdiosplioiic acid is in ((Uisiderable <'xcess. The [)roiH)r(ion of 



ingredien(s was appr-oxinia(ely the following;': 



doniixisilidii of I'oldio h'oninihi. 



Nitr();4t'ii 7.0 per ct. 



Av:iil;il)U' i)lios. acid. 4.0 " 

 I'otasii 10.0 " 



Two mixtures were used under this formula: No. 1, in whi(di 



the potash was su|»|)lied as the muriate, and No. 2, iu wlii(di it 



was furnished us Ihe sulphati'. 



L. I. FOItMTTLA. 



This formula is Ihe one so c(»mmonly followed by clubs of 



farmers on Lon^ Island who purchase their fei't ilizei's on the 



co()|»erat ive plan. It was made up from the same materials as 



the potato formula, mixed in dilVcrent proportions. 



CtiiniKtsilioii of li. I. I'oninild. 



NilroKcii 1.0 per ct. 



Avallahic plios. acid. S.O " 

 Pdlasli 10.0 " 



As with the ])otato formula, the L. I. formula was made u]) 

 in tw(» mixtures, \o. )*> containing; the potash as the muriato, 

 and No. I, as tlu' sulpha te. 



