REPORT OF THE DIRECTOR. 



SESSIONAL PAPER No. 16 



I']XPERIMENTS WITH FERTILIZERS ON PLOTS OF WHEAT f^TH ACRE EACH. 



37 



o 



'A 



Fertilizers applied each Year from 188S to 

 1898 or 1899. No fertilizer.*? used since. 

 Clover so^vn in 1899 and each year since 

 with the grain and ploughed ujider in 

 the Autumn. 



Average Yield 



FOR 



Twelve Years. 



Yield 



of 

 Grain. 



Per acre. 



Per acre 



Barn-yard manure (mixed horse and cow 

 manure) well rotted, 12 tons per acre in 

 1888 ; 15 tons per acre each year after 

 to 1898 inclusive. No manure has been 

 applied since then 



2 Barn-yard manure(mixedhorseand cow man- 

 ure) fresh, 12 tons per acre in 18SS ; 15 ta.is 

 per acre each year after to 1898 inclusive. 

 No manure has been applied since then. 



3 Unmanured from the beginning 



4 Mineral phosphate, untreated, finely ground, 

 500 lbs. per acre, used each year from 1888 

 to 1897 inclusive. In 1898 and 1899 a similar 

 weight of the Thomas' Phosphate was 

 used. No fertilizer has been applied since 

 then 



5|Mineral phosphate,untreated, finely ground, 

 I 500 lbs., nitrate of sody, 200 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 



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 



5 Mineral phosphate, untreated, finely ground, 

 500 lbs., wood ashes, unleached, 1,500 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 pho.sphate. No fertilizer 

 has been applied since then 



Mineral superphosphate, No. 1, 500 lbs. per 

 acre, used each year from 1888 to 1899 in- 

 clusive. No fertilizer has been applied 



I 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 .... 



* This plot suffered from water in 1900. 



IBush. lbs. 



21 10 



Yield 



of 

 Straw. 



21 



10 



17H 



10 2: 



9''" 1-1 



1 -J i 



12 31y\ 



18 26 A 



12 43fi 



10 



11 



I 12 



42^j 



57H 



Lbs. 



3,839 



3,883 

 1,849 



1,9G5 



13th Season, 1900. 



Variety, 



Red Fife. 



Yield 



of 

 Grain. 



Per acre. 



Yield 



of 

 Straw. 



Per acre 



2,842 



Bush. lbs. 



24 45 



29 40 

 13 45 



15 10 



13 ., 



3,206 



2,372 



1,980 

 1,809 

 3,04r 



22 50 



13 20 



12 15 



11 55 



12 .. 



Lbs. 



5,475 



5,500 

 2,155 



2,770 



3,005 



4,430 



Average Yikld 



FOR 



Thirteen Years. 



Yield 



of 

 Grain. 



Per acre. 



Yield 



of 

 Straw. 



Per 



acre 



Bush. lbs. I Lbs. 



21 26iv 



22 4^ 

 10 33;i 



10 45 



4,165 



3,260 



2,865 



2,880 



12 331 J 



18 46B 



12 46rV 



3,965 



4,007 

 1,873 



2,027 



2,855 



3,300 



2,510 



2,078 



1,890 



3,029 



