REPORT OF THE DIRECTOR 



45 



SESSIONAL PAPER No. 16 



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



11 



12 

 13 



14 



15 



16 



17 



18 



19 



20 



Average Yield 



for 

 Thirteen Years. 



Fertilizers applied each Year from 1888 toj 

 1898 or 1899. No fertilizers used since. 

 Clover sown in 1899 and each year since 

 with the grain and ploughed under in the 

 Autumn. 



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 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 18S8 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, 60 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 



21 [Mineral superphosphate, No. 2, 500 lbs. per 

 acre, used each year from 1889 to 1899 in- 

 clusive. No fertilizers have been used 

 since then 



Yield 

 of 



Straw. 



Per acre 



Lbs. 



2,821 



i,s;o 



1,965 



2,474 



2,360 

 2,134 

 2,343 

 1,874 



1,523 



1,890 



1,882 



14th Season, 1901, 



Variety, 



Red Fife. 



Average Yield 



for 



Fourteen Years. 



15 30 T s j 



12 381J 



12 35}2 



13 30 



12 37 



13 6 



Yield 

 of 



Straw. 



Per acre 



Lbs. 



2,887 

 1,931 



2,021 



2,573 

 2,395 

 2,187 

 2,370 

 1,932 



1,560 



1,908 



1,904 



BARLEY PLOTS. 



The quantity of seed sown per acre on the barley plots was 2 bushels in 1889, 1890 

 and 1891, 1J bushels in 1892 and 1893, and 2 bushels in 1894, 1895, 1896, 1897, 1898, 

 1899, 1900 and 1901. Two-rowed barley has been used for seed throughout the whole 

 period. The varieties used were as follows: 1889, 1890 and 1891, Saale; 1892, Gold- 

 thorpe; 1893, Duck-bill; and in 1894, 1895, 1896, 1897, 1S98, 1899, 1900 and 1901, Cana- 



