New York AGRICULTURAL EXPERIMENT STATION. 97 
_ AVERAGE COMPOSITION OF CHEMICALS AND INCOMPLETE FERTILIZERS. 

Per cent guaranteed. Per cent found. o¢ t 
Ry 3 
——— oa O_O of & 
Ww Os 
Low- High- Aver-. Low- High- Aver- = oe 
est. est. age, est. est. age 2 Qo a 
Nitrogen in 
Nitrate of soda.... 14.76 15.50 15.16 14.80 15.61 15.42 0.26 
Sulphate of ammo- 
nia cee ee ee eeeee eo seve e@eece 20 eee00 a@eeee0e 20.34 0.34 
Dissolve phosphates 
Phosphoric acid ... ..... \ ORE ere, ae Pa a ee a ere ree ceo ee Ay 
Available .. tect es 10 30 132005. 11: 058. 33.27 145286 0.86 
Water-soluble ..... ..... See red O28 10 5589.30 eee 
OL ANTES Ss 8g ear ee een rn ARAN 05162 So8ieerel 28 
Potash in 
CU a Pete CaO 1 aol 400 11,04. 217-36 = 19 75 0.35 
BAe. es alco’ 50 50.40 50.20 49.74 50.20 50 
PRB ERE UEC sre helene bs « < Se eee ee) weet aces oie ie wee aU 
Fish scrap 
BVItFOfeN ~~ .5 esse eae oO SoU uote ke Doo. lS 7.68 0.51 
Phosphoric acid.... 4 6 Dit } O6Ot oiteoo . DIO 
Bone meal 
MPP OC OID... oo 6s es 1 4 eb L.Ode) 450 ber oOo 0.45 
Phosphoric acid.... 9 20,0) 10-10 10798. 28.83 21-32 Doe 
Mixture containing 
MPM REL yie ts atk spt a oes ee cee ceded s. Negetc. “fees s 
» Available -....3; a) 13 10 7.46 13.46 10.80 0.80 
MREMIIELOLO te Mivels o's Gases ats'0 ge: "ew cies iets Psp ae or 67, Eo, 
PEGE RE Lets <c'e asfe esa tL 10 3.60 0.84 9.8 38.72 0.12 
TRADE-VALUES OF PLANT—FOOD ELEMENTS IN RAW MATERIALS AND 
 ‘ GHEMICALS. 
The trade-values in the following schedule have been agreed 
upon by the Experiment Stations of Massachusetts, Rhode Island, 
Connecticut, New York, New Jersey and Vermont, as a result of 
study of the prices actually prevailing in the large markets of 
these states. 
7 
