96 Report oF THE CHEMIST OF THE 
COMPOSITION OF FERTILIZERS COLLECTED. 
The following tabulated statements show the average composi- 
tion of the fertilizers collected during the spring, together with a 
comparison of the guaranteed composition and that found by 
analysis. 
AVERAGE COMPOSITION OF COMPLETE FERTILIZERS COLLECTED. 


Per cent guaranteed. Per c2nt found. a i 
a s oe b0 
’ citer: ara aaa SS z or a. Ge a i va ®o o 
e CaF O 
Low- High- Aver- {Low- High- Aver- G88¢ 
est. est. age. est. est. age. g OBS 
INDING LOT fs 74 Nate aA ce 0.40 8318 t2200° 0.128; oie oe 0.14 
Available phosphoric 
ORT migctle men Totten eae 3.00 14.00 ~-7.65-- 3.69. 14.28. 8.65 1.00 
Insoluble phosphoric 
Mia EO te Pee rates cs shea 0.00 10.75 1.90 a ee 
POLAR estan, we as «oe 0.50 15.00 4.67 0.22 15.22 4.91 0.24 
Water-soluble nitro- : 
ONL eae arse slats ees tc Bio Ie veg va eee 0.00. 5.05270 
Water-soluble phos- 
phoric. acid’ 24, 00.4 aoe = ee aw tere Ose ee ekeoe 
The following statements, applying to the complete fertilizers, 
are of interest in connection with this table: 
(1) The nitrogen was above the guarantee in 70 per cent of 
the samples and in 2 per cent it was below the guarantee by one- 
half of one per cent or more. 
(2) The available phosphoric acid exceeded the guarantee in 
81 per cent of the samples, and in 4.5 per cent it was one and one- 
half per cent or more below the guarantee: 
(3) The potash was above the guarantee in 74 per cent of the 
samples, and in 3.3 per cent it was one-half of one per cent or more 
below the guarantee. 
