32 



EXPERIMENTAL FARMS 



5-6 EDWARD VII., A. 1906 

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



9 



10 



11 



12 

 13 



14 



15 



16 



17 



18 



19 



20 



21 



Fertilizers applied each year from 1888 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 1905 

 fertilizers again applied as in 1898, clover 

 discontinued. 



Mineral superphosphate, No. 1, 500 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 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, un 

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

 from 1888 to 1899 inclusive. No fertilizers 

 used from 1900 to 1905. In 1905 fertiliz- 

 ers again used as in 1899 



Unmanured from the beginning 



Bone, finely ground, 500 lbs. per acre, 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 

 fertilizerused from 1900 to 1995. 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 1 905. In 1905 

 fertilizer again used as at first 



Sulphate of ammonia, 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 



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 1 905 f erti lizer again 

 used as at first. 



Mineral superphosphate, No. 2, 500 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 



Average Yield 



FOR 



Seventeen YK^iRS. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



Yield 



of 

 Straw. 



Per acre 



Lbs. 



18th Season, 1905. 



Variety, 



Red Fife. 



Yield 



of 

 Grain. 



Per acre. 



Yield 

 of 



Straw. 



Per acre 



Bush. lbs. 



14 40 



15 10 



13 40 

 10 40 



14 10 



15 40 



15 10 



13 40 



13 10 



13 



13 30 



13 50 



14 10 



Lbs. 



2110 



2840 



2780 

 1240 



2490 



3100 



2570 



2820 



2450 



2100 



2030 



1830 



1850 



Average Yield 



FOR 



Eighteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. Lbs. 



Yield 



of 

 Straw. 



Per acre 



2008 



2930 



2858 

 1874 



2106 



2658 



2477 



2.W2 



2474 



2024 



1676 



1958 



1954 



