REPORT OF THE DIRECTOR. 



39 



SESSIONAL PAPER No. 16 



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



^ 



Fertilizers applie<l each Year from 1889 to 

 1898 or 1899. No fertilizers used since. 

 Clover sown in 1899 and each year since 

 with the gr ain and ploughed under in the 

 Autumn. 



Average 



Yield for Eleven 



Years. 



12th Season, 1890. 



Variety, 

 Canadian Thorpe. 



Yield 



of 

 Grain. 



Per acre. 



Barn-yard manure, well rotted, 15 tons per 

 acre each year to 1898 inclusive. No 

 manure has" been applied since then 



Barn-yarn manure, fresh, 15 tons i)er acre, 

 each year to 1898 inclusive. No manure 

 has been applied since then 



3 Unnianured from the beginning 



4 Mineral phosphate, untreated, finely 

 ground, 500 lbs. per acre, used «ich year 

 from 1888 to 1897 inclusive. In 1898 and 

 1899 a similar weight of the Thomas' 

 phosphate was used, no fertilizer has 



I been applied since then 



5 Mineral phosphate, untreated, finely 

 ground ; 500 lbs., nitrate of soda, 200 lbs. 

 per acre, used each j'ear from 1888 to 1897 

 inclusi ve . In 1898 and 1899 500 lbs. of the 

 Thomas' phosphate was used in place of 

 the mineral phosphate. No fertilizer has 

 been applied since then 



Barn-yard manure, partly rotted and ac- 

 tively fermenting, 6 tons per acre ; 

 mineral phosphate, untreated, finely 

 ground, 500 lbs. per acre, composted to- 

 gether, intimately mixed and allowed to 

 heat for several days before using, applied 

 each year from 1888 to 1897 inclusive. In 

 1898 500 lbs. of Thomas' phosphate was 

 used in place of the mineral phosphate. 

 No fertilizer has been applied since then. 

 Mineral phosphate, untreated, finely 

 ground, .500 lbs ; nitrate of soda, 200 lbs. ; 

 wood ashes, unleached, 1,000 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 phosphate. No fertilizer 

 has been applied since then 



8 Mineral phosphate, untreated, finely 

 ground, 500 lbs., wood ashes, unleached, 

 1,.')00 lbs. per acre, Tised each vear from 

 1888 to 1897 inclusive. In 1898 and 1899, 

 500 lbs. of the Thomas's phosphate was 

 used in place of the mineral phosphate. 

 No fertilizer has been applied since then. 

 Mineral superphosphate, No. 1, 500 lbs. ijer 

 acre, used each year from 1888 to 1899 

 inclusive. No fertilizer has been used 

 since then 



10 Mineral superphosphate. No. 1, 350 lbs ; 

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

 year from 1888 to 1899 inclusive. No 

 fertilizer has been applied since then 



Bush 



Yield 



of 

 Straw. 



Per acre 



.34 



35 

 13 



lbs, 

 35A 



20fV 



13 47rj 



19 .S.jif 



-i-trr 



23 34 



19 2G 



IT 



20 35 f\ 



27 



2i\ 



Lbs. 



3,034 



3,200 

 1,540 



1,444 



Yield 



of 

 Grain. 



Per acre. 



2,232 



Bush lbs. 



36 22 



34 33 

 9 33 



10 2 



Yield 



of 

 Straw. 



AVERAfiE 



Yield for Twelve 

 Years. 



Yield 



of 

 Grain. 



Yield 



of 

 Straw. 



Per acre 



26 2 



2,404 



26 27 



2,391 32 24 



1,688 20 45 



1,871 



2,369 



18 21 



31 42 



Lbs. 



2,860 



2,520 

 1,1.35 



Per acre. 



Per acre 



Bush lbs. 



34 42/=f 



35 12t^g 



13 5r^j 



1,275 14 7/. 



2,270 



20 ISjJj 



2.080 



2, .520 



27 .38 1% 



24 21^. 2,402 



1,980 



1,105 



2,220 



19 31^j 



20 26/; 



28 13t% 



Lbs. 



3,019 



3.196 

 1,.512 



1,430 



2,2.3* 



2,377 



1,7I: 



1,807 



2,357 



