REPORT OF TEE DIRECTOR 



15 



SESSIONAL PAPER No. 16 



EXPERIMENTS WITH FERTILIZERS ON PLOTS OF OKTB>-Conclndea. 



c 



o 

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10 



11 



12 

 13 



14 



15 



16 



17 



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20 



21 



Fertilizers appliod each vear, from l.SSO td 

 1808 or 18!)!). No fertilizers u.sed from 

 that time to 1905. Clover sown in 181)U 

 and each year after to litO.") with the grain 

 and ploughed under in the autumn. In 

 1905 feitilizerM aj^ain applied as in 1898. 

 Clover discontinued. 



Average Yield 



FOR 



Se%'entee\ Years . 



Mineral snperi)b.osphate, No. 1, 500 lbs. per 

 acre, used each year from 1888 to 1899 

 inclusive. No fertilizer used from l!iOO 

 to 1905. In 1905-6 fertilizer again used 

 as in 1899 



Mineral suj^erphosphate, No. 1, 350 lbs., 

 nitrate of soda, 2(^0 lbs. per acre, used 

 ench year from 1888 to 1899, inclusive. 

 No fertilizers used from 1900 to 1905. In 

 in05-6 fertilizers again used as in 1^899 . . . 



Mineral wiper!>liosphate, No. 1, 3.50 lbs., 

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

 le:vchfd, 1,500 lbs. per acre, used each year 

 from 1888 to 1S99, inclusive. No fertil 

 izers used from 1900 to 1905. In 1905-6 

 fertilizers again used as in 1899 



Ll'nmanured from the beginning 



Bone, finely ground, 500 lbs. per acre 

 us(xl each year from 1888 to 1899 inclu- 

 sive. No fertilizer used from 1900 to 

 1905. In 1905-6 Ijone again used as at 

 first 



Bone, finely ground, 500 lbs., wood ashes, 

 imleached, 1,.500 lbs. per acre, used each 

 year from 1888 to 1899, inclusive. No 

 fertilizers u.sed from 1900 to 1905. In 

 1905-6 fertilizers used again as at first. . 



Nitrate of soda, 200 lbs. i^er acre, used each 

 year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 1905. In 

 1905 6 fertilizer used again as at first 



Muriate of pota.sh, 150 lbs. per acre, used 

 each year from 1888 to 1899, inclasive. 

 No fertilizer used from 1900 to 1905. In 

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



Sulphate of ammonia, .300 lbs. per acre, used 

 each yenr from IS'^S to 1899, inclusivM. 

 No fertilizer used from 1900 to 1905. In 

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



Sulphate of iron, 60 lbs. jicr .acre, used each 

 year from 1888 to 1899, inclusive. No 

 fertilizer used from 1900 to 190.5. In 

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



Common salt (Sodi\un chloride), 300 lbs. per 

 acre, used each year from 1888 to 18!)9, 

 inclusive. No fertilizer used from 1900 

 to 1905. In 1905-0 fertilizer used again 

 as at first . . 



Land plaster or gypsum (Cal ium sulphate), 

 .300 lbs. per acre, used each year from 

 18^8 to 1899, inclusive. No fertilizer 

 \ised from 1900 to 1905. In 1905 6 fertil- 

 izer again used a.s at first 



Mineral superphosphate, f.OO lbs. per acre, 

 used each year from 1889 to 1899, inclu- 

 sive. No fertilizer used from 1900 to 

 1905. In 1905-6 fertilizer again used as 

 at first 



Yield 



of 

 Grain. 



Per acre. 



Bush. His. 



39 191? 



48 Off 2576 



39 

 24 



36 



41 



47 



41 



46 



39 



is-.v 



21tV 



12t\ 



14if 



•^ir 

 24iv 

 31}? 



Yield 



of 

 Straw. 



Per acre 



40 0/, 



36 20tV 



37 15}f 



Lbs. 



2004 



2426 

 1442 



2015 



2340 



2746 



2241 



2752 



2064 



2007 



2066 



1912 



ISth Seasoit, 1906. 

 Variety, Ba.nner. 



Yield 



of 

 Grain. 



Per acre. 



Cush. lbs. 



31 16 



39 24 



33 18 

 13 28 



32 12 



38 28 



37 22 



39 14 



43 28 



39 24 



42 32 



40 10 



43 18 



Yield 



of 

 Straw. 



Per acre. 



Lbs. 



2440 



2950 



2160 

 2430 



1410 



1910 



1900 



1710 



28.50 



1910 



2410 



2230 



2370 



Average Yield 



FOR 



Eightek.n' Years. 



Per acre 



