28 EXPERIMENTAL FARMS 



2-3 EDWARD VII., A. 1903 

 EXPERIMENTS WITH FERTILIZERS ON PLOTS OF WHEAT J^th ACRE EACH. 



c 



Fertilizers applied each Year from 1888 to 

 1898 or 1899. No fertilizers used since. 

 Clover sown in 1899 and each year since 

 with the grain and ploughed under in 

 the Autumn. 



Average Yield 



FOR 



Fourteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Barn-yard manure (mixed horse and cow 

 manure) well rotted, 12 tons per acre in 

 1888 ; 15 tons per acre each year after to 

 1898 inclusive. No manure has been 

 applied since then 



Barn-yard manure (mixed horse and cow 

 manure) fresh, 12 t^'us per acre in 1888 ; 

 15 tons per acre each j'ear after to 1898 

 inclusive. No manure has been applied 

 since then 



3 Unmanured from the beginning 



4 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,untreated, finely ground, 

 500 lbs., nitrate of soda, 200 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 ap- 

 plied since then 



Barn-yard manure, paitly rotted and ac- 

 tively feimentuig, 6 tons per acre; 

 mineral phosphate, untreated, finely 

 ground, 500 lbs. per acre, composted to- 

 gether, intimately mixed and allowed to 

 heat for several days before using, applied 

 each year from 1888 to 1897 inclusive. In 

 1898 500 lbs. of Thomas' phosphate was 

 used in pLace of the mineral phosphate. 

 No fertilizers have been appl ied since tlien. 



ISIineral phos] )hate,u n treated , fi nely ground , 

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

 ashe.s, unleached, 1,000 lbs. per acre, used 

 each year from 1888 to 1897 inclusive. In 

 1808 and 1899 500 lbs. of the Thomas' 

 phosphate was used in place of the mineral 

 phosphate. No fertilizers ha\ e been ap- 

 plied since then 



8|Mineral phosphate, untreated, finely ground, 

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

 per acre, used each year from 1888 to 18li7 

 inclusive. In 189S and 1899 500 lbs. of 

 the Thomas' phosphate was used in place 

 of the mineral phosphate. No fertilizers 

 have been apjilied since then 



Mineral superphosphate, No. 1, 500 lbs. per 

 acre, used each year from 1888 to 1899 in- 

 clusive. No fertilizers have been applied 



since then 



10 Mineral .superph' sphate. No. 1, 350 lbs.; 

 nitrate of soda, 200 lbs. i er acre, used each 

 year from 1888 to 1^99 inclusive. No 

 fertilizers have been applied since tlien . . 



Bush. lbs. 



21 49^ 



22 141^ 

 11 2H 



11 17A 



12 361J 



Yield 



of 

 Straw. 



15th Season, 1902, 



Variety 



Red Fife. 



Yield 



of 

 Grain. 



Per acre Per acre. 



13 4 



11 5i\ 



11 5515 



13 lA 



Lbs. 



4,0G5 



4,099 

 1,908 



2,081 



2,853 



Per acre Per acre. Per acre 



Bush. lbs. 



30 5 



29 40 

 16 50 



19 45 



14 10 



19 6/4 8 371 



2,008 



2,154 



1,923 

 3,009 



24 40 



17 5 



15 30 



10 25 



14 55 



Yield 



of 

 Straw. 



Average Yield 



FOR 



Fifteen Years. 



Yield 



of 

 Grain. 



Lbs. 



3,885 



3,865 

 2,650 



2,270 



2,420 



3,115 



3,035 



2,770 



2,480 



2,135 



Bush. lbs. 



22 22H 



22 44^% 

 11 2S 



11 61 



12 43 



19 28A 



13 20^5 



11 23i\ 



12 1311 



13 8^5 2,951 



Yield 



of 

 Straw. 



Lbs. 



4,053 



4,083 

 1,957 



2,094 



2,824 



3,351 



2,036 



2,195 



1,905 



