3a 



EXPERIMENTAL FARMS 



2-3 EDWARD VII., A. 1903 

 EXPERIMENTS WITH FERTILIZERS ON PLOTS OF BARLEY, jIth ACRE EACH. 



Fertilizers applied each year from 1889 to 

 ISitS or 189a. No fertilizers used since. 

 Clover sown in 1899 and each year since 

 with the grain and ploughed under in the 

 autumn. 



10 



Average Yield 



FOR 



Thirteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Barn-yard manure, well rottod, 15 tons per 

 acre each year to 1898, inclusive. No 

 manure has been applied since then 



Barn-yard manure, fresh, 15 tons per acre, 

 each year to 1898, inclusive. No manure 

 has been applied since then 



Unmannred from the beginning. 



Mineral phosphate, untreated, finely ground, 

 500 lbs. per acre, used each year from 

 1888 to 1897, inclusive. In 1898 and 1899 

 a similar weight of the Thomas' phosphate 

 was used, no fertilizers have been applied 

 since then 



Mineral phosphate, imtreated, finely ground, 

 500 lbs., nitrate of soda, 200 lbs. per acre, 

 used each year from 1888 to 1897, in- 

 clusive. In 1898 and 1899 500 lbs. of the 

 Thomas' phosphate was used in place of 

 the mineral phospbate. No fertilizers 

 have been applied since then 



Barn-yard manure, partly rotted and ac- 

 tively fermenting, 6 tons per acre ; 

 mineral phosphate, untreated, finely 

 gro<md, 500 lbs. per acre, composted to- 

 gether, intimately mixed and allowed to 

 heat for several ddys before using, applied 

 each year from 1&88 to 1897, inclusive. In 

 1898 500 lbs. of the Thomas' phosphate 

 was used in place of the mineral phos- 

 phate. No fertilizers have been applied 

 since then 



Mineral phosphate, untreated, finely ground, 

 500 lbs., nitrate of soda, 200 lbs.; wood 

 ashes, unleached, 1,000 lbs. per acre, used 

 each year from 1888 to 1897, inclusive. 

 In 1898 and 1899, 500 lbs. of the Thomas' 

 phosphate was used in place of the min- 

 eral phosphate. Jfo fertilizers have been 

 applied since then . . . 



Mineral phosphate, untreated, finely ground, 

 500 lbs., wood ashes, unleached, 1,500 lbs. 

 per acre, used each year from 1888 to 1897, 

 inclusive. In 1898 and 1899, 500 lbs. of 

 the Thomas' phosphate was used in place 

 of the mineral phosphate. No fertilizers 

 have been applied since then 



Mineral superphosphate. No. 1, 500 lbs. per 

 acre used each year from 1883 to 1899, 

 inclusive. No fertilizers have been ap- 

 plied since then 



Mineral superphosphate, No. 1, 350 lbs., 

 nitrate of soda, 200 lbs. per acre, used 

 each year from 1888 to 1899, inclusive. 

 No fertilizers have been applied since 

 then 



Bush. lbs. 



34 23iV 



34 

 12 



42H 



14 7H 



20 16A 



27 



■TS 



24 



09 6 



19 



20 



^15 



A 8 



27 23i% 



Yield 



of 

 Straw. 



Per acre 



Lbs. 



3,021 



3,195 

 1,482 



1,446 



2,205 



14th Season, 1902. 



Variety, 



Mensory. 



Yield 



of_ 



Grain. 



Per acre. 



Bush. lbs. 



43 



40 

 27 



45 

 4 



29 28 



29 13 



2,394 



2,355 



1,729 



1,753 



2,388 



40 10 



42 34 



40 



35 15 



35 25 



Yield 



of 

 Straw. 



Per acre 



Lbs. 



3,930 



4,010 

 2,330 



2,270 



2,410 



2,525 



2,700 



3,010 



1,805 



2,125 



Average Yield 



FOR 



Fourteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



35 5^r 



35 8/i 

 13 43iV 



15 12JJ 



20 47i*f 



28 15H 



25 46x\ 



21 3x'i 



21 8H 



28 3 A 



Yield 



of 

 Straw. 



Per acre 



Lbs. 



3,086 



3,253 

 1,543 



1,505 



2,220 



2,403 



2.380 



1,821 



1,757 



2,3fi9 



