22 EXPERIMENTAL FARMS 



4-5 EDWARD VII., A. 1905 

 TABLE I.— EXPERIMENTS WITH FERTILIZERS ON PLOTS OF WHEAT— Concluded. 



o 



5 



o 



Fertilizers applied each year from 1888 to 

 1893 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 



Sixteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



8 ^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 



SMineral superphosphate. No. 1, 500 lbs. per 

 acre, used each year from 1888 to 1899 in- 

 clusive. No fertilizers have been applied 

 since then 



Mineral superphosphate. No. 1, 3501 bs.; 

 nitrate of soda, 200 lbs. per acre, used each 

 year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then . . 



Mineral superphosphate. No. 1, 350 lbs.; 

 nitrate of soda, 200 lbs. ; v.^ood ashes, un- 

 leached, 1,500 lbs. per acre, used each year 

 from 188S to 1897 inclusive. No fertilizers 

 have been applied since then 



Unmanured from the beginning 



Bone, finely ground, 500 lbs. per acre, used 

 each year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then . . 



Bone, finely ground, 500 lbs.; wood ashes 

 unleached, 1,500 lbs. per acre ; used each 

 year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then. . 



Nitrate of soda, 200 lbs. per acre, used each 

 year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then. 



Muriate of potash, 150 lbs. per acre, used 

 each year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then 



Sulphate of ammonia, 300 lbs. per acre, used 

 each year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then. 



Sulphate of iron, GO lbs. per acre, used each 

 year from 1888 to 1899 inclusive. No 

 fertilizers have been applied since then. . 



Common salt (Sodium chloride), 300 lbs. per 

 acre, used each year from 1888 to 1899 in- 

 clusive. No fertilizers have been applied 

 since then 



Land plaster or gypsum (Calcium sulphate), 

 300 lbs. per acre, used each year from 

 1888 to 1899 inclusive. No fertilizers have 

 been applied since then 



Mineral superphosphate. No. 2, 500 lbs. per 

 acre, used each year from 1888 to 1899 

 inclusive. No fertilizers have been used 

 since then 



10 



11 



12 

 13 



14 



15 



16 



17 



18 



19 



20 



21 



14 24^ 

 10 3111 



12 42i^ 



15 26H 



14 15 



15 im 



13 IH 



12 50U 



13 47i^ 



12 531^ 



13 16A 



Yield 



of 

 Straw. 



Per acre 



Lbs. 



2,900 

 1,943 



2,103 



2,681 

 2,496 

 2,282 

 2,432 

 2,019 



1,667 



1,989 



1,984 



17th Season, 1904. 



Variety, 



Red Fife. 



AvEB.AGE Yield 



FOR 



Seventeen Years . 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



16 40 



15 20 



13 40 



14 10 

 13 10 



14 20 



17 .. 



16 .. 



14 30 

 13 40 

 13 30 



15 40 

 12 50 

 12 30 



Per acre 



Yield 



of 

 Straw. 



Lbs. 



2,390 



2,250 



2,640 



2,270 

 1,400 



1.770 



1,840 



2,100 



2,280 



3,170 



2,030 



1,470 



1,600 



1,580 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



Per acre 



Lbs. 



11 50 



12 33tl 



13 28 



14 23{i 

 10 41^ 





15 32i«, 



14 21/7 



35 39'i? 



Yield 

 of 



Straw. 



12 53\^ 



13 ISif 



2,226 



2,002 



2,935 



2,863 

 1,911 



2,083 



2,632 



2,472 



2,282 



13 3}f 2,475 



12 53 iV 2,020 



13 54iV 1,655 



1,9GG 



1,960 



