MANURES FOR BAKLEY. 



231 



EXPERIMENTS ON THE GROWTH OF BARLEY, TEAR AFTER TEAR, ON THE 

 SAME LAND, WITHOUT MANURE, AND WITH DIFFERENT DESCRIPTIONS 



OF MANURE. Hoos FIELD, ROTUAMSTED, ENGLAND. 

 TABLE i. SHOWING, taken together with the foot-note*, TJIE DESCRIPTION AND 



QUANTITIES OF THS MANURES APPLIED PER ACKS ON EACH PLOT, IX EACH 

 YEAR OF THE TWENTY, 1852-1871 INCLUSIVE. 



Plots. 



[N. B. This table has reference to all the succeeding Tables]. 



MANUBESPEB ACHE, PEP. ANNUM (unlens otherwise stated 

 in the foot-notes} . 



Plots. 



1 O. Unmanured continuously 1 O. 



2 O. 3>4 cvrts. Superphosphate of Lime * 2 O. 



3 o. 3JO Ibs. t Sulphate of Potass, 100 Ibs. i Sulpl ate Soda, 100 Ibs. 



Sulphate Magnesia 3 O. 



4 O. 209 Ibs. t Sulphate Potass. 100 Ibs. i Sulphate Soda, 100 Ibs. i 



Sulphate Magnesia, 3;^ cwts. Superpho-p^ate ! 4 O. 



1 A. 200 Ibs. Ammonia-salts ! 1 A. 



2 A. 20.) Ibs. Ammonia-salts, 3 V* cwts. Superphosphate ! 2 A. 



3 A. 200 Ibs. Ammonia-salts, 200 Ibs. t Sulphate Potass, 100 Ibs. % 



Sulphate Soda. 100 Ibs. Sulphate Magnesia 3 A, 



4 A. 200 Ibs. Ammonia salts, 200 IDS. t Sulphate Potass, 100 Ibs. % 



Sulphate Soda, l(K) Ibs. Sulphate Magnesia, 3>< cwts. Su 

 perphospha' e 4 A. 



{1 A\. <75 Ibs. Nitrate Soda 1 AA. 

 2 AA. 275 Ibs. Nitrate Soda, 3'^ cwts. Superphosphate < 2 AA. 

 3 AA. 275 Ibs. Nitrate Soda, 2JO Ibs. t Sulphate Potass, li;0 Ibs. t 

 Sulphate Soda, 100 Iba. Sulphate Magnesia 3 AA. 

 4 AA. 275 Ibs. Nitrate Soda, 200 Ibs. t Sulphate Potass, 100 Ibs. t 

 Sulphate Soda, 100 Ibs. Sulphate Magnesia, S% cwts. Su- 



| perphosphate 4 AA.j 



fl AAS. 275 log. Nitrate Soda, 400 Iba. t Silicate Soda 1 AAS.l 



2 AAS. 27.3 Ibs. Nitrate Soda, 400 Ibs. IT Silicate Soda, V/. cwts. Su- 



i pe.-phosphate 12 AAS. 



I \ 3 AAS. 275 Ibs. Nitrate Soda, 40J Ibs. *F Silicate Soun. 2-30 Ibs. t Sul-l 



phate Potass, 100 Ibs. % Sulphate Socta, 100 Ibs. Sulphate | 



Ma,'!ie.ila 3 AAS. 



1 4 AAS. 275 Ibs. Xirr ito Soda. 400 ib.s. *[f Silicate Soda, 200 Ibs. t Sul- 

 phate Poi;!ss, 100 !b.-;. t Sulphate toda, 100 IDS. Sulphate 



Ma, r nc Li, UK 'cwta. Superphosphate 4 AAS. 



fl C. 1000 IDS. Kapc-cako ' l C.l 



2 C. ;100J)bs r;;toe-ea:-:c, 3 V~ cwts. Superphosphate i 2 C. 



\ 3 C. 1000 Ibs. Rape-cake, ,00 IDS. t Sulphate Puta*. 100 Iba. $ Sul- 



phate Soda, 1!JO Ibs. >ni phate iJagaesia 3 C. 



(4 C. 1000 Ibs. Kape-ca ce, 200 Ibs. t Sulphate Potass, 100 Ibs. i Sul- 

 phate Soda, 100 Ibs Sulphate Magnesia, 3% cwta. Super- 

 phosphate 4 C. 



+J.51N. 5 Ibs. Nitrate Soda IN.) 



" i 2 N. 275 Ibs. Nitrate Soda (550 Ibs. Nitrate for 5 years, 1853, 4, 5, 6, [ 1t 



and 7) 2 N.) 



M. 10J Ibs. Jt Sulphate Sod*, 100 Ibs. Sulphate Magnesia, Zy^ 

 cwts. Superphosphate (.commencing 1855; 1852, 3, and 4, 

 uninanured) I M. 



5 0. 200 Ibs. t Sulphate Potass, 3% cwts. Superphosphate 1 2CO Ibs. 



Ammonia-salts also, for the first year, 1852, only) 5 O. 



5 A. 200 Ibs. t Sulphate Potass, 3> cv, r ts. Superphosphate, 200 Ibs. 



Ammonia-salts 5 A. 



e (l Omnanured continuously 1) R 



6 J2 Ashes burnt-.oii and turf) 2J 



7 11 Tons Farmyard-Manure I 7 



NOTSS TO TABI/K I. 



* "3V r.wts. Superphosphate of Lime' In all cases, made from 200 Ibs. Bone*- 

 ash, 15J Ibs. Sulphuric acid sp. gr. 1.7 'and water 1 . 



t Sulphate Potass 300 Ibs. per annum for the first 6 years, 1852-7. 



i Sulphate Soda -200 Ibs. per annum for the first 6 years, 1852-7. 



The " Ammonia-salts "in all cases equal parts of Sulphate and Muriate of Am 

 monia of Commerce. 



II Plou "AA" aud "AAS" first 6 years. 1852-7, instead of Nitrate of Soda, 400 

 Ibs. Ammonia-salts per annum; next 10 years, 1858-67,200 Ibs. Ammonia-Balta per 

 annum ; 18GS, and since, 275 Ibs. Nitrate of Soda per annum. 275 Ibs. Nitrate of Soda 

 is reckoned to c mtaia the same Amount of Nitrogen as 200 IDS. " Ammonia-salts." 



IT Plots "AAS" the application of Silicates did not commence until 1864; in 

 'frl-5-6, and 7, 200 Ibs. Silicate of Soda raid 200 Ibs. Silicate of Lime wen; applied per 

 acre, but in 1303, and since, 400 Ibs. Silicate of Soda, tmd no Silicate of Lirne. These 

 plots comprise, respectively, one half of the original " AA " plots, and, excepting the 

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

 way as the " AA " plots. 



** 2000 Ibs. Rape-cake per annum for the first 6 years, and 1000 Ibs. only, each year 

 since, ft 300 Ibs. Sulphate Potass, and 3Hj cwts. Superphosphate of Lime, without 

 Nitrate <>f Soda, the first year dS52); Nitrate alone eaca year since, ft Sulphate 

 Soda-200 Ibs. per annum 1S55, C, aud 7. 



