


_186.20 pounds of available phosphoric acid at 64 cents. . 
Phosphoric acid, soluble in water ............. 

Phosphoric acid, soluble in ammonium citrate..... eS Oe 
Phosphoric acid, in fine bone 4nd tankage ........ 7 6. s a 
Phosphoric acid, in fine medium bone and tankage, 5d Diane 
Phosphoric acid in medium bone and tankage..... Ab A 
Phosphoric acid in coarse bone and tankage....... 3 Ee 
Phosphoric acid in, fine ground fish, cotton seed 
meal, castor-pomace and wood ashes............ 5 5 eae 
Phosphoric acid in fine ground rock phosphate. . 2. Oy ae 
Potash as high-grade sulphate in forms free tite Bere by 
muriates (chlorides) in ashes, Oth ks eee : 54° BS. o 
POS ANcAIn ih oa. uae Ron ae pr Sails | ace a oie ‘ 4d 44 we 
Potash in muriateck 1.0 440i Fete aes eae : 44 ARO 
Organic nitrogen in mixed fertilizers ............. Ly 174 2a 
Insoluble phosphoric acid in mixed fertilizers...... 27 ae 
VaALuATION oF Frertitizing INGREDIENTS In Foops. 

PPOAMIC DUTOREN..../5 5 40s Liu asee Baran Waa ts ap are i : 
PT AOSPNOVIC ACIC :Riinien «niente Pie Ae Ny PN ee seat 5 Sean 
PeOtASH awa, > Mae we Ne Geta REEE Nee NUL | . 
It is obvious that no one can object to this scale on the ground 
of its absolute fairness, since it is only upon information obtained 
from dealers and manufacturers upon which the whole scale is 
based; but the objection made is to the application of this’ scale iy 
to any given fertilizer. ; 
Let us estimate the extent of the Injustice ehicire is possible, a, 
but hardly probable in such application. ei 
If we estimate in our average fertilizer the nitrogen, available * . 
phosphoric acid and potash at fifteen cents, six and a quarter 
cents and four wend a half cents per pound, respectively, we have oe 
the following ye 





39.82 pounds of nitrogen at 15 cents........ eee et ae 
67.06 pounds of potash at 44 cents............ < 
i‘ 

