32 



EXPERIMENTAL FARMS 



2-3 EDWARD VII., A. 1903 

 EXPERIMENTS WITH FERTILIZERS ON PLOTS OF OATS, ^V ACRE EACH. 



o 



Fertilizers applied each j'ear, from 1880 to 

 1898 or 1899. No fertilizers used since. 

 Clover sown in 1809 and each year since 

 with the grain and ploughed under m the 

 autumn. 



8 



Average Yield 



FOR 



Thiuteex Years. 



Yield 



of 

 Grain. 



Per acre. 



1 Barn-yard manure, well rotted, 15 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 



Unmanuved from the beginning 



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 fertilizers have been ap- 

 plied since then 



Mineral phosphate, untreated, finely ground, 

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

 used each year from 1888 to 1897, in- 

 clusive. In 1898 and 1899, 500 lbs. of the 

 Thomas' phosphate was used in place of 

 the mineral phosphate. No fertilizers 

 have been applied since then 



Barn-yard manure, partly rotted and ac- 

 tively fermenting, 6 tons per acre ; niin 

 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 

 fertilizers have been applied since then. . 



Mineral phosphate, untreated, finelyground, 

 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 min- 

 eral phosphate. No fertilizers have been 

 applied since then 



Mineral phosphate, untreated, finelyground, 

 500 lbs. ; woodashes, unleached, 1,500 lbs. 

 per acre used each year from 1888 to 1897, 

 inclusive. In 1898 and 1899, 500 lbs. of 

 the Tlionias' phosphate was used in place 

 of the mineral phosphate. No fertilizers 

 have been applied since then 



Mineral superphosphate. No. 1, 500 lbs. 

 per acre, used each year from 1888 to 1899, 

 inclusive. No fertilizers have- been used 

 since then 



Mineral superphosphate, No. 1, 350 lbs. ; 

 niira«te of soda, 200 lbs. per acre, used 

 each year from 1 888 to 1899, inclusive. No 

 f'.>rtili:'.er. have been applied since then. . 



Mineral superphosphate. No. 1, 350 lbs. 

 nitrate of soda, 200 lbs. ; woodjashes, un- 

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

 from 1888 to 1897, inclusive. No fertil- 

 izers have been applied since then 



Unmanured from the beginning 



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

 each year from 1888 to 1899, inclusive. No 

 fertilizers have been applied since then . . 



Bush. 

 50 



55 

 33 



9 



10 



11 



12 

 13 



47 



48 



37 

 22 



lbs. 

 31 1^ 



7A 



32 33A 



49 5i^. 



24r% 



Yield 



of 

 Straw. 



Per acre 



10i*3 



42 



36 29^, 



h\ 



14A 



34 13A 



Lbs. 



3,216 



3,405 

 1,609 



1,703 



14TII Season, 1902. Average Yield 

 Variety, for 



Banner. | Fourteen Years. 



Yield 



of 

 Grain. 



Yield 



of 

 Straw. 



Per acre. Per acre 



Bush. lbs. 



57 17 



59 4 

 46 11 



50 5 



2,673 



2,688 



3,170 



2,432 

 1,947 

 2,721 



2,410 

 1,431 



2,034 



52 22 



57 32 



57 27 



55 5 



45 20 



52 32 



51 6 

 32 12 



39 24 



Yield 



of 

 Grain. 



Per acre. 



Lbs. Bush. lbs. 



3,565 



3,740 



2,725 



2,725 



2,590 



3,130 



2,915 



2,955 



2,300 



2,330 



2,490 

 970 



2,050 



51 13A 



55 22rt 

 34 5rV 



34 



^ 9 



'T¥ 



Yield 



of 

 Straw. 



Per acre 



49 131 » 



48 153^ 



49 71] 



43 4U 



37 lilff 



Lbs. 



3,241 



3,422 

 1,689 



1,832 



2,667 



2,720 



3,152 



,469 



1,972 



2,693 



2,416 

 l,a93 



2,035 



