The Wobum Field Experiments, 1912. 



301 



Table II. — Continuous Growing of Barley, 1912 

 (36th Season). 



(Barley grown year after year on the same land, the manures being applied 



every year.) 

 Stackyard Field— Produce per acre. 



Manures per acre 



Unmanured .... 



Sulphate of ammonia (=25 lb. 

 ammonia) .... 



As 2a, with 5 cwt. lime, Mar., 

 1905, repeated 1909, 1910 and 

 1912 



As 2a, with 2 tons lime, Dec, 

 1897, repeated 1912 . 



As 2a, with 2 tons lime, Dec, 

 1897, repeated Mar., 1905 . 



Nitrate of soda(=. 50 Ib.ammonia) 



Nitrate of soda(=25 Ib.ammonia) 



Mineral manures (superphos- 

 phate 3 cwt., sulphate of 

 potash 1 cwt.) 



Mineral manures and sulphate 

 of ammonia (=25 Ib.ammonia) 



As 5a, with 1 ton lime, Mar., 1905 



As 5a, with 2 tons lime, Dec, 

 1897, repeated 1912 . 



Mineral manures and nitrate 

 of soda (=25 lb. ammonia) . 



Unmanured . . . . 



Mineral manures and (in alter- 

 nate years) sulphate of am- 

 monia (=50 lb. ammonia) . 



As 8a, with 2 tons lime, Dec, 

 1897, repeated 1912 . 



Mineral manures, sulphate of 

 ammonia (=50 lb. ammonia) 

 omitted (in alternate years) . 



As 8b, with 2 tons lime, Dec, 

 1897, repeated 1912 . 



Mineral manures and (in alter- 

 nate years) nitrate of soda 

 (=50 lb. ammonia) 



Mineral manures, nitrate of 

 soda (=50 lb. ammonia) 

 omitted (in alternate years). 



Superphosphate 3 cwt., nitrate 

 of soda (=25 lb. ammonia) . 



Rape dust (=25 lb. ammonia) . 



Sulphate of potash 1 cwt., ni- 

 trate of soda (=25 lb. am- 

 monia) ..... 



Farmyard manure (=100 lb. 

 ammonia) . . . . 



* Applied. 



Head com 



No. of 

 bush. 



9-6 

 3 6 



7-7 

 151 



140 



7-7 

 11-U 



20-9 



6-6 

 22-7 



27-2 



21-1 

 9-5 



5-3 « 

 32-8' 



3-9^ 

 221" 



20-9> 



19-8'» 



17-0 

 18-3 



23-5 

 251 



Weight 



per 



bush. 



Lb. 

 ■19-5 



48 



.500 



500 



52-0 

 50-0 

 48-0 



49-9 



520 

 500 



51-0 



49-6 



48-8 



50-0 

 49-9 



50-0 



50-0 



49-7 



49-7 



50-6 



49-8 



49-6 

 5 10 



Tail 

 corn 



Lb. 



24 



24 



36 



88 



60 

 32 



50 



39 



20 

 64 



72 



53 

 36 



20 



80 



16 

 60 



96 



46 



82 

 60 



50 

 38 



Straw, 



cliaff, 



&c. 



C. q. lb. 

 7 3 25 



2 1 18 



10 1 20 



10 8 



9 1 4 



11 1 20 

 9 2 6 



13 2 13 



9 1 24 



16 3 26 



19 1 18 



17 2 4 

 7 1 9 



3 1 6 

 22 1 6 



4 3 16 

 17 2 18 



Value 



per 



quarter 



on basis 



of 



35s. 



32 6 

 27 6 



27 6 



27 6 



27 6 



27 6 



27 6 



34 



33 



34 



33 6 



31 



30 



31 



32 6 



30 

 32 6 



31 



31 



31 



31 



31 



35 



» Omitted. 



