MANUr.ES I'OU MAULEY. 



231 



EXPERIMBNTS ON TTIB (iROWTn OF BaRLET, TEAR AFTER TEAR, ON THE 



SAUK LAND, WITIIOIT MaNCICE, AM) WITH DIKFEKKNT rESCUlPTIONS 



OF MaNIHIJ. IIOOS FlEM), RoTIIAMSTED, KNGLAND. 



TABLK I.— snowiNo. tiil^n together tcilh the foot-note-; the nrsirRH'TioN and 



QUAKTITIKS OF THE MAM KES AI'I'LIKl" I'EB APRK ON EACH I'LOT, l.N KACH 

 YEAR OF TUB TWENTY, 1S52 1S71 INlLfBlVK. 



[N. B. Thl» table has reference to all the hucceedluK Tables]. 



IIAK(7B>S PBB ACBB, PER ANNUM iu»/<!«« Otherwise stated 

 in thefoot-noteM). I 



PloU. 



ri A\. 



2 AA. 



3 AA. 



[4 C. 



TTJ2N. 



6 O. 

 S A. 



!<1 



Unmanurert cuntlnuougly 



3S cwts. Siiix'rphospi.ale of Lime • 



2iUll).'<. tSuli'!i:ii<' >r Toiasg, lUUlbs. % Sulphate Soda, lOUlba. 

 Sulphate N! 



2U0 ii)g. t M: ^ 1UU lbs. X Sulphate Soda, lOU lbs. 

 Siilphaii' " cwl!). Superphu-pi ate 



a") Ib.t. .Mil 



aaUh.s. .\ii) -. Super phosphate 



am lt>9. .\ii t Sulphate PotanH, 100 lbs. t , 

 Suli«liuii - . itc MaK'Dola 



201 Itih. AiiiiiiouU t,.i;:», Au ibi. t Sulphate Potass, UO lbs. t ' 

 Sulplmie Soda, UIU lbs. Sulphate MaKDesIa, 3^ cwts. Su 

 perpliosphale t 



275 lbs. Nil rate Sinl:i 



2T5 lbs. Nitrate S.nia, :i i cwts. Su'ii-rpliogpliate 



275 lbs. NIrt-at.- s,. la, iO lbs. t Sulphate Potass, I'X) lbs. i 

 Sulphate SoJa. W Ibd. Sulphate Ma.-iiesla 



275 lbs. Mt ate Soda, AVI lbs. t Sulphate Potass, 100 lbs. t, 

 Sulphate Soila. no lbs. Sulphate .Slagucsia, 3^ cwts. Su- 

 perphosphate I 



275 lbs. NUrati- Suda, 4<«i Ihs. "T Silicate .'^oda | 



275 lbs. Nlir.ii.' .-oda. 100 lbs. ^ Silicate Soda, 3H cwts. Su- 

 perpli'.Bpli.ite 



275 lbs. Nitrate Soda, 4i>i lbs. " Silicate Soda. 3X1 lbs. t Sul- 

 phate P.ita.-<s. lUO lbs. : Sulphate Soda. IW lbs. Sulpbato 

 Slatniesla i 



275 lbs. Nitrate Snda. 400 lbs. i: Silicate Soda, 300 lbs. t Sul- 

 phate Potiusg, 10» lbs. : Sulphate Soda, 100 lbs. Sulphate I 

 Ma;;ue-la, :t'.. ewts. Superphosphate 



lao Iba. l;ape-eake 



lOUMbs UaiK-eake, 3S cwts. Superphosptiate. 



luOO lbs. laj>e-cake. 'M lh«. t Suliiliate p..ta-8, 100 lbs. i Sul- 



1 pliale Soda. h«i lbs. Mipliate .vlaKnc^ia 



icon lbs. Kape-ca^e. 200 lbs. t Sulphate Potass, 100 lbs. J Sul- j 



I pliaie s>>da, luu lbs .>^ulphate Mat^iiesla, 3)^ cwta. Super- 



I ph 'Sphate 



2;5 Ibj. Nitrate Soda 



275 lbs. Nitrate Soda (550 lbs. Nitrate for 5 years, 1853, 4, 5, 6, 1 



I and 7) I 



lOo lbs. XX Sulphate Sod*, lOu lbs. Sulphate Mapnesla, 3^ 

 cwts. Superphosphate .coininenclug 1855; 1852, 3, and 4, 



I uninaniinili 



200 lbs. + Sulphate Potass, 3'«; cwts. Superphosphate (2C01b8. 



I .\iiimoiila-salts also, for the first year, 1852, only; I 



20t) lbs. t Sulphate Potass, 3H cwts. Superphosphate, 200 lbs 

 Arauionla-salts 



C niuanu red con 1 1 nuously 



lAshes burnt--oll and tui^) 



14 Tons Farmyard- .Manure 



1 O. 



2 O. 



4 O. 



1 A. 



2 A. 



3 A. 



4 A. 



1 AA. 



2 A A. 



3 AA. \ I 



4 AA. 



1 AAS 



4 AAS. 



1 C. 



2 C. 



3 C. 



4C. 



1 N. 



M. 



S O. 



5 A. 



n 



NOXr.S TO TABLE I. 



•"3S cwts. Superphosphate of Lime'— In all cases, made from 200 lbs. Boa&> 

 asb, 150 lbs. Sulphuric aejil sp. pr. 1.7 and water . 



t Sulphate Potass :««• lbs. per annum for the first 6 years. 1S52-7. 



i Sulphate Soda -2ni lbs. per annum for the first 6 years, 185'J-7. 



§ The" .\inmonla-salt8 "— luall cases equal parts of Sulphate and Muriate of Am« 

 monla of Ciimmerce. . „ :, .,«. 



|Plots"A.\" and ".\ AS "—first 6 years. 1852-7, instead of Nitrate of Soda, 400 

 lbs. Aninionia-salrs per annum; next 10 vears, 1858-67,200 lbs. Ammnnia-salts per 

 annum ; ISM. and since, 275 lbs. Nitrate of Soda per annum. 275 lbs. Nitrate of Soda 

 Is reckoned to c 'ntain the same :imount of Nitropen as 200 lbs. " Ammonia-salts." 



'\ Plots "A.\S"— the applicalon of Silicates did not commence until 1864; In 

 'W-.V*. and 7, 2<0 lbs. Silicate of Soda and 20u lbs. Silicate of Lime were applied per 

 •ere, but In 1S68. and since, I'O lbs. Silicate of Soda, and no Silicate of Lime. 1 heso 

 plots compri-e. respectively, one half of the (jrlEinal " A A " plots, and. excepting the 

 addition of the Silicates, have been, and are, in other respects, manured in the same 

 way as the •* .\A " plots. ,..,,_ 



•* 2000 lbs. liape-cake per annum for the first 6 years, and 1000 lbs. only, each year 

 eince. t+SUUlbs. >uh'hate Potass, and 3^ cwts. Superphosphate of Lime, without 

 Nitrate of Soda, the flr-t year ls52); Nitrate alone each year since, tj SulpnaW 

 Boda— 200 IbB. per annum 18^, 6. and 7. 



