New York AGRICULTURAL EXPERIMENT STATION. 223 
the separate ingredients, unmixed, averaged $18.28, or $8.38 less 
than the selling price. 
INTRODUCTION. 
NUMBER AND KINDS OF FERTILIZERS COLLECTED. 
During the spring of 1899, the Station’s collecting agents vis- 
ited 165 towns between March 28 and June 29, obtaining 866 
samples of commercial fertilizers. These samples represent 646 
different brands, the product of 114 different manufacturers, each 
manufacturer being represented by from 1 to 39 brands. 
The subjoined tabulated statement indicates the different classes 
included in the collection: 
CLASSES OF FERTILIZERS COLLECTED. 



Brands 


i containing Brands con- 
Brands con- paras ed Bren sconte in: nitrogen taining phos- Brands of 
taining « nly hos Pic. in at fash and phos- phoric acid compiete 
nitrogen. ~ Pp mea 8 yP * phoric acid and potash with- fertilizers. 
: without out nitrogen. 
potash 
‘ft 37 14 36 70 482 



COMPOSITION OF FERTILIZERS COLLECTED. 
The following tabulated statement shows the average composi- 
tion of the complete fertilizers collected during the spring, to- 
gether with a comparison of the guaranteed composition and that 
found by analysis: 
AVERAGE COMPOSITION OF COMPLETE FERTILIZERS COLLECTED. 
{I 




“9 
Per cent guaranteed. Per cent found. Ms ° E 
Te ss OA eae ise = = -—- 9390 
: rs » ae ey) soi 
6 HS 6 ad te Wie oo 
1 SS i 0.39 8.25 1.89 0.37 8.50 2.04 0.15 
Available phosphoric acid .... 1.93 14.00 7.78 1.20 15.12 8.76 0.98 
iiaorpler phosphoric acid’ iti)... (1%)... ie. +1 eh COTA STO SOW 2° 2Br ois acy 
UBER ve te Gece! se 6 x ore de sohle 0.75 15.00 4.56 0.43 12.95 4.86 0.30 
Water-soluble nitrogen . ...... P46 Te Vat trare bayaeey #00 A 43 ORD a ey. 
5.40 

Water-soluble phosphoric acid .. .... ..... Set Oi OO ae hQe 28 


