New York AGRIcULTURAL EXPERIMENT STATION. 24h 
AVERAGES FOR PAIRS OF PLATS, 
Profit for 
Value each addition 
Quantity of fertilizer Cost fertilizer increase of Profit from of 500 Ibs. 
Plat No. used per acre. per acre. erop. fertilizer. fertilizer. 
eee 6 OWN) TDS. e's owe oe $5.47 $41.31 $35.84 $35.84 
end? St 1000) Ibees 052 2% 10.94 49.81 38.87 3.03 
Men LOO DS.) . t/e's sale d 16.41 58.31 41.90 3.03 
De ZOU LDS ii sso ssa 21.87 61.31 39.44 —2.46 
Notts —Fertilizer reckoned at $25 per ton and onions at $1.25 per barrel. 
No fertilizer on Plats 6 to 10 in 1901. 
TABLE IV.—FERTILIZER COST OF INCREASED YIELD OF ONIONS FROM USst& 
OF FERTILIZERS. 
Fertilizer 
Average cost per bbl, # 
Average increase vield Fertilizer of increase 
total for each coat. each from each 
Quantity fertilizer Acre cost of increase addition 500 bbl. increase addition 5V0 
per acre. fertilizer. of vield. lbs. fertilizer. onions. lbs. fertilizer. 
Boils. Bobls. Cents Cents. 
MARMOT OS:, 4 sc 006 $5.47 33 33 16.6 16.6 
1000 Ibs.:.... ve 10.94 39.9 6.9 27.4 79.3 
BOO IDSs. ee 16.41 46.7 6.8 Sul 80.4 
SRL SLOSS fs oleae yA oY! 49.1 2.4 44.5 221.8 
TABLE V.—YIELD OF ONIONS ON MARS FIELD, ONE YEAR, 1900. 
Excess yield 
Quantity of fertilizer Yield Yield Yield from 
Plat No. per acre. per plat. per acre. per acre. fertilizer. 
Lbs. Lbs. Bobls. 
Wis INOTG pcre tscebee Ula « gage ce es O 29,465 196.4 
PE OM MTs esc Gee 0c AR ey 29,470 196.5 
eT) LOS cdt < ¢.e ace. 7 GUOU.O 80, 605 204 
BAUDOO MSs andes S117 31,170 207.8 
eM LSC tat a peiunees Ly, 5 Pes | Saye bs. 203.4 
GPENUNGNS Galae oe dona os 2866.5 28, 665 191.1 
MROOOMDS See Ua. cies hee | BOATISO 30,475 203..2 
Pee LOO LISS @ S ice dtr 2775.5 27, (05 185 
SE POU USt as cs tis 80 Vege y Yi 24,918 166.1 
TIED AAMAY LDS sed e's ce see, hatha 25, 925 172.8 
SUMMARY. 
Bobls. Bbls 
PC UNGDGs: FVOUALC As a'aid 5, o\el' 68's) w Dias. obi otia 193.7 
PeeITC CPOE LIS y EVOL LR. c's ss as lcs ela wa ween ee : 199.8 6.1 
ees AT Se) A VETASO 6. ca wees ac Ve cee eens ¢ 194.5 8 
eee OOOO 1s, ) AVELAe &. vig as aard 6 eke a 186.9 —6.8 
fee) 2000 IDS... AVETALE. ws gece cc vs scjee ages 188.1 —d.6 
RESULTS. 
See Summary, p. 247. 
In discussing the results herewith presented we should keep in 
mind the limitations of field experiments as to accuracy. 
If an 
experimental field could be selected having an entirely uniform 
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