34 



EXPERIMENTAL FARMS 



5-6 EDWARD VII., A. 1906 

 TABLE II.— EXPERIME>rTS WITH FERTILIZERS ON PLOTS OF BARLEY— Concluded. 



o 



Fertilizers applied each year from 1889 to 

 1898 or 1899. No fertilizers used from 

 that time to 1905. Clover sown in 1899 

 and each year since with the grain and 

 ploughed under in the autumn. In 190.5 

 fertilizers again applied as in 1898 clover 

 discontinued. 



Average Yield 



FOK 



Sixteen Years. 



Yield 



of 

 Grain. 



Per acre. 



10 



11 



12 

 13 



14 



15 



16 



17 



18 



19 



20 



21 



Bush. lbs. 



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 ohosphate. No fertilizers 

 used from 1900' to 1905. In 1905 ferti- 

 lizers again used as in 1899 



Mineral superphosphate No. 1, 500 lbs. per 

 acre used each year from 1838 to 1899, 

 inclusive. No fertilizer used 1900 to 1905. 

 In 1905 fertilizer again used as in 1899 . . . 



Mineral superphosphate, No. 1, 350 lbs.; 

 nitrate of soda, 200 lbs. per acre, used 

 each year from 1888 to 1899, inclusive. 

 No fertilizers used from 1900 to 1905. In 

 1905 fertilizers again used as in 1899 



Mineral superphosphate. No. 1, 350 lbs.; 

 nitrate of soda, 200 lbs.; wood ashes, 

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

 year from 1888 to 1899, inclusive. No 

 fertilizers used from 1900 to 1905. In 1905 

 fertilizers again used as in 1899 



Unmannred from the beginning 



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

 each year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 1905. In 1905 

 bone again used as at first 



Bone, finely ground, 500 lbs.; wood ashes, 

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

 year from 1888 to 1899 inclusive. No 

 fertilizers used from 1900 to 1905. In 1905 

 fertilizers again used as at first 



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

 year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 1905. In 1905 

 fertilizer again used as at first 



Muriate of potash, 150 lbs. per acre, used 

 each year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 1905. In 1905 

 fertilizer again used as at first 



Sulphate of ammonia, 300 lbs. per acre, used 

 each year from 1888 tolS99, inclusive. No 

 fertilizer used from 1900 to 1905. In 1905 

 fertilizer again used as at first 



Sulphate of iron, 60 lbs. per acre, used each 

 year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 1905. In 1905 

 fertilizer again used as at first 



Common salt (Sodium chloride) 300 lbs. per 

 acre used each year from 1888 to 1899, in- 

 clusive. No fertilizer used from 1900 to 1905. 

 In 1905 fertilizer again used as at first. . . 



Land plaster or gypsum (Calcium sulphate), 

 .300 lbs. per acre, used each year from 

 1888 to 1899, inclusive. No fertilizer used 

 from 1900 to 1905. In 1905 fertilizer again 

 used as at first 



Mineral superphosphate, No. 2, 500 lbs. per 

 acre, used each year from 1889 to 1899, 

 inclusive. No fertilizer used from 1900 to 

 1905. In 1905 fertilizer again used as at 

 first • • 



22 SOi'ff 



22 Of, 



27 

 14 



24 



21 



19 



27 



Yield 



of 

 Straw. 



17th Season, 1905. 

 Variety, 

 Men.sury. 



Per acre 



45i% 



22^ 



15 337^ 



12A 

 46f 



22 43 



TJ 



<T? 



18 47M 



HE 



20 30H 



21 19^ 



Yield 



of 

 Grain. 



Per acre. 



Lbs. Bush. lbs. 



1850 



1701 



2322 



2462 

 1240 



14.30 



2123 



2224 



1832 



1903 



1333 



1868 



1603 



1758 



40 ., 



38 26 



43 36 



45 30 



24 28 



35 20 



45 40 



28 6 



31 2 



32 44 



34 8 



43 46 



31 2 



37 14 



Yield 



of 

 Straw. 



Per acre 



Average Yield 



FOR 



Seventeen Years. 



Yield 



of 

 Grain. 



Per acre. 



Lbs. Bush. lbs. 



2720 



3040 



3350 



3180 

 1880 



1530 



2600 



2000 



2090 



1930 



1590 



1890 



1780 



1970 



Yield 



of 

 Straw. 



Per acre 



23 31^ 

 22 47A 



28 41i? 



28 20 J ^ 2504 

 15 2H 1278 



16 41^2,. 143G 



OX on n 



22 16t^ 



23 ISJl 



20 8^^ 



19 42\^ 



28 6H 



21 12 



22 16 



