New YorK AGRICULTURAL EXPERIMENT STATION. 15 
The following tabulated statement shows the average composi- 
tion of the complete fertilizers collected during the year, together 
with a comparison of the guaranteed composition and that found 
by analysis. 
AVERAGE COMPOSITION OF COMPLETE FERTILIZERS COLLECTED. 









PER CENT. GUARANTEED. PER CENT. FOUND. Avensae 
NS ns OO ae ee ee ee BN abit per ct. 
found 
| | | above 
Lowest. | Highest.; Average.| Lowest. | Highest.) Average ab ite: 
Mier... 0.41 8.23 1.92 0.68 | 8.97 2.24 0.32 
Available phosphorie acid foo) T2eOOs tage g ke’ WET D et 2. 90 8.62 0.91 
Insoluble phosphoric acid | ...... - ...... Hh sc ochre 33 0.01 | Pe aed i De ee eee 
Potash. 2.4 83.56. a. 4.00%)» 12300] 4.45 0.55. 1913133] 4.67 0.22 
Seer wa nO MITOPeM so ey Ws we Lactd ne akes OO Bie etal ptia Dee il Pein wd. d's 
Water-soluble phosphoric | | 
BRO hs: 6 Seinen fe SU eens een een ae Gey areata 0.00 | 9.80 Mot erie ae 











FERTILIZERS. 
UN A 
CoMMERCIAL VALUATION | SELLING PricE or ONE TON OF Average in- 
OF COMPLETE FERTILIZERS. CoMPLETL FERTILIZER. creased cost of 
mixed materials 
ol 1 Re ee Le (Be. ee a A ere es ae. Ss over unmixed 
‘ materials for one 
Average. Lowest. | Highest. Average. ton. 
$20 76 $16 $44 ' $26 14 $5 38 





In the table below we present figures showing the average cost 
to the purchaser of one pound of plant-food in different forms in- 
mixed fertilizers. 
AVERAGE Cost ofr OnE PouNpD or PLANT-FOOD TO CONSUMERS IN 
MIXED FERTILIZERS. 
EM ela Big eons cn 5 amr 0c asi'g 20.8 cents. 
Peoeshoric. acid (Availaple).....:2. oc. cee ec eee 6.1 cents. 
ERE Se FEMME ME 00 2 Ge MASTS B a dose G1! So fer en's do's are: Fin 8 Wad atig, MOEN 5.7 cents. 
Inspection of commercial feeding stuffs.— Bulletin 217 shows 
that for 1902 eighty-five manufacturers or jobbers paid a license 
fee en 129 brands of feeding stulfs. 
