BEPORT OF THE DIRECTOR 



21 



SESSIONAL PAPER No. 16 



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



c 



c 



Fertilizers applied each year from 1888 to 

 1898 cr 1899. No fertilizers used from 

 that time to 1905. Clover sown in 1899 

 and each year after to 1905 with the grain 

 and ploughed imder in the autumn. In 

 1905-U-7-S fertilizers again applied as in 

 1898. Clover discontinued. 



8 M i n e r a 1 phosphate, untreated, finely 

 ground, 500 lbs.; wood ashes, unleached, 

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

 1S88 to lSi)7 inclusive. In 1898 and 1899, 

 500 lbs. of the Thomas' phosphate were 

 used in place of the mineral phosphate . 

 No fertilizers used from 1900 to 1905. In 

 1905-6-7-8 fertilizers again used as in 1899. 

 Mineral superphosphate. No. 1, 500 lbs. per 

 acre, used each year from 1888 to 1899 

 inclusive. No fertilizer used from 1900 

 to 1905. In 1905-G-7-8 fertilizer again 

 used as in 1S99 



10 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 Ib'OO to 1905. In 

 1905-G-7-8 fertilizers again used as in 1899. 



11 Mineral superphosphate, No. 1, 350 lbs., 

 nitnite of soda, 200 lbs., wood ashes, un- 

 leached, 1,500 lbs. per acre, use; leach year 

 from 1888 to 1899 inclusive. No fertilizers 

 use from 19C0 to 1905. In 1905-6-7-8 

 fertilizers again used as in 1899 



12|Unmanured from the beginning 



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

 each year from 18&8 to 1899 inclusive. 

 No fertilizer used from 1900 to 1905. In 

 1905-6-7-8 bone again used as at first. . . . 



14 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 

 1905-6-7-8 fertilizers again used as at first. 



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

 year from 1888 to 1899 inclusive. No 

 fertilizer used from 1900 to 1905. In 

 1905-6-7-8 fertilizer again used as at first. 



16 Muriate of potash, 150 lbs. per acre, used 

 each year from 1888 to 1899 inclusive. No 

 fertilizer used from 1900 to 1905. In 

 1905-6-7-8 fertilizer again used as at first. 



17 Sulphate of ammonia, ISOO lbs. per acre, used 

 each year from 1888 to 1899 inclusive. No 

 fertilizer used from 1900 to 190.5. In 1905- 

 6 7-8 fertilizer again used as at first 



18 Sulphate of iron, CO lbs. per acre, used each 

 year from 1888 to 1899 inclusive. No 

 fertilizer used from 1900 to 1905. In 1905- 

 6-7-8 fertilizer again used as at first 



19 Common salt (Sodium chloride), 300 lbs. per 

 acre, used each year from 1888 to 1899 

 incbisive. No fertilizer used from 1900 

 to 1905. In 1905-6-7-8 fertilizer again 

 used as at first 



20 Land plaster or gyjisuni (Calcium sulphate), 

 300 lbs. per acre, used each year from 

 1888 to 1899 inclusive. No fertilizer used 

 from 1900 to 1905. In 1905-6-7-8 ferti- 

 lizer again used as at first 



21 Mineral superphosphate, 500 lbs. per acre, 

 used each year from 1888 to 1899 inclu- 

 sive. No fertilizer used from 1900 to 

 1905. In 1905-6-7-8 fertilizer again used 

 as at first. . 



Average Yield 



FOR 



Twenty Years. 



Yieia 



of 

 Grain. 



Per acre. 



Bush. lbs. 



12 2 



12 S9.V 



13 34^-f 



14 

 10 



12 



13 



13 





42, t 



15 27ia 



14 9^ 



Sir 



15 20rfV 



f 



12 39J{; 



38if 



12 50^ 



13 19/v 



Yield 



of 

 Straw. 



Per acre. 



Lbs 



2179 



1958 



2802 



2806 

 1829 



2053 



2591 



2415 



2216 



2403 



1989 



1663 



1926 



1915 



21sT Se.ason, 1908 



Variety, 



Red Fife. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



6 40 



5 20 



7 20 



8 — 

 2 40 



7 40 



11 



9 — 



8 40 



20 



G 40 



7 40 



5 20 



Yield 



of 

 Straw. 



Per acre, 



Lbs. 



660 



600 



1080 



1100 

 460 



r4o 



780 



ICGO 



780 



800 



720 



700 



820 



700 



Average Yield 



FOR 



Twenty-oneYears. 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



11 AV^\ 



12 18/t 



13 16|f 



14 \Uj 



10 lOM 



12 21l\ 



15 im 



13 55.ff 



15 l^r 



12 41 5^ 



12 231 



13 19 



12 35A 



12 56 A 1857 



Yield 



of 

 Straw. 



Per acre. 



Lbs. 



2107 



1893 



2720 



1704 



1991 



2506 



2351 



2327 



1928 



1G20 



1873 



