REPORT OF THE DIRECTOR. 



41 



SESSIONAL PAPER No. 16 



EXPERIMENTS WITH FERTILIZERS ON PLOTS OE OATS, ^ ACRE EACH. 



3> 

 SI 



p 



F.rtilizers applied each Year, from 1889 

 to 1898 or 1899. No fertilizers used since. 

 Clover sown in 1899 and each year since 

 w-ith the grain and ploughed under in the 

 Autumn. 



Average Yield 



FOR 



Eleven Years. 



12th Season, 1900. 



Variett, 



Banner. 



Yield 



of 

 Grain. 



Yield 



of 

 Straw. 



Per acre. 



r 







10|> 



Barn-yard manure, well rotted, lip tons per 

 acre each year to 1898 inclusive. No 

 manure has been applied since then 



Barn-yard manure, fresh, 15 tons per acre 

 each year to 1898 inclusive. No manure 

 has been applied since then 



Unmanured from the beginning 



Mineral phosphate, untreated, finely ground, 

 500 lbs. per acre, u&ed 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 



Mineral phosphate, untreated, finelyground, 

 500 lbs. nitrate of soda, 200 lbs. per acre, 

 used each year from 1888 to 1897, in- 

 clusive. In 189S and 1J^99 500 lbs. of 

 the Thomas' phosjtliate was uged 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 ; min- 

 eral phosphate, untreated, finely ground, 

 500 lbs. per acre, composted together, in- 

 timately 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 



I ashes, unleached, 1,000 lbs. per acre, used 

 each year from 1888 to 1897, inclusive. 

 In 18t)8 and 1899 500 lbs. of the Thomas' 

 phosphate was used in place of the min 

 eral phosphate. No fertilizer has been 

 applied since then 



Mineral phosphate,untreated,fine]y ground, 



i 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 



I the Thomas' phosphate was used in place 



i of the mineral phosphate. No fertilizer 



t has been applied since then 



JMint-ral superphosphate. No. 1, 500 lbs. 

 per acre, used each year from 1888 to 1899, 



! inclusive. No fertilizer has been used 



since then 



Mineral superphosphate. No. 1, 350 lbs.; 

 nitrate of s jda, 200 lbs. per acre, used 

 each year from 1888 to 1899, inclusive. 

 ^0 fertilizer has been applied since then . 



Busli. 

 49 



54 

 30 



30 



lbs. 



3i\ 



18A 



20A 



Per acre 



'TT 



48 21;^, 



Lbs. 



3,136 



3,345 



1,484 



45 lA 



46 9A 



40 



35 



8A 



« 



46 21 



Yield 



of 

 Grain. 



Per acre. 



Bush. lbs. 



69 9 



66 21 

 47 2 



1,691 42 12 



Yield 



of 

 Straw. 



Per acre 



2,719 



2,569 



3,161 



2,275 



52 17 



71 6 



65 15 



51 16 



51 31 



Lbs. 



3, .520 



3,665 

 1,9.55 



1,660 



AVEliAGE ViKLD 

 FOR 



TwEiVE Years. 



Yield 



of 

 Grain. 



Per acre. 



Bush, lbs. 



50 26 1% 



55 18^^ 

 31 33tV 



31 22/^ 



Yield 



of 

 Straw. 



Per acre 



2,235 



3,115 



3,025 



1,9.S8 



2,772 53 28 

 I 



3,430 



1,8-10 



2,275 



48 32^tj 



47 7'S- 



47 29t^ 



41 6 2,371 



36 14^ 



47 7A 



Lbs. 



3,168 



3,372 

 1,523 



1,688 



2,679 



2,615 



3,150 



1,930 



2,731 



