REPORT OF IDE DIRECTOR 31 



SESSIONAL PAPER No. 16 



EXPERIMENTS WITH FERTILIZERS ON PLOTS OF BARLEY, ^s ACRE EACH. 



o 



Fertilizers? applied each year, from IPSt) to 

 1S9S or 1890. No fertilizers used since. 

 Clover sown in 1S09 and each year .since 

 with the grain and ploughed under in the 

 autumn. 



11 



12 

 13 



14 



15 



16 



17 



18 



19 



20 



21 



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 1890, inclusive. No 

 fertilizers have been applied since then. . 

 Unmanured from the beginning 



Bone, finely ground, 500 lbs. per acre, u.sed 

 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 ha%'e 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, 60 lbs. per acre, used each 

 year from 1888 to 1890 inclusive. No 

 fertilizers have been applied since then . . 



Common salt (Sodium chloride), 300 lbs. per 

 acre, used each year from 18S8 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 1889 to 1899 in- 

 clusive. No fertilizers have been applied 

 since then 



AvERAGK Yield 



FOR 



Thirteen Ye.\ks. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



Yield 



of 

 Straw. 



Per acre 



25 32 ,S 



12 33i% 



13 37/s 



Lbs. 



2,484 

 1,237 



1,430 



14Tn Se.vsox, 1902. 

 Vakiktv, 

 Mensury. 



Yield 



of 

 Straw. 



Per acre 



Average Yield 



FOR 



Fourteen Years. 



Yield 



of 

 Grain. 



Yield 



of 

 Straw. 



Per acre. Per acre 



Lbs. 



2,545 



Bush. lbs. 



26 3911 



1,050 13 32^ 



1,220 



2,370 



14 34H 



2,C95 



1,800 



1,585 



2,530 



1,910 



2,205 



22 41^^^ 



19 15]f 



18 36 



27 36i', 



20 14 /i 



20 46H 



Lbs. 



2,488 

 1,224 



1,415 



23 4111 2,074 



1,040 1 22 lOA 2,284 



1,861 



1,043 



1,673 



1,895 



1,605 



1,783 



OAT PLOTS. 



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

 1890 • 11 bushels in 1891, 1892 and 1893, and 2 bushels in 1894, 1895, 189G, 1897, 1898, 



1899, 1900, 1901 and 1902. The varieties u.sed were as follows : In 1889, Early English ; 

 in 1890, 1891, 1892, 1893, Prize Cluster; and .in 1891, 1895, 1896, 1897, 1898, 1899, 



1900, 1901 and 1902, Banner. In 1902 the Banner was sown April 16, came up May 1, 

 and the plots were harvested from August 2 to 4. 



