B.— Little Hoos Field. Plan of Rotation Plots arranged to test the Residual Value 

 of various Manures— one, ttvo, three, and four years after their application. 



9 



CO 



O 



o 



B 



c 



(2) 



Dung 



(ore// nary J 



16 tons per acre 



/907, )L '15 



Dung 



(Cake-fed) 



/6 tons per acre 



/907, 'II, V5 



B 



Shoddy 



I ton per acre 

 1307, 'II, 75 



H 



5 



Guano 



S cwt per acre 

 1907, 7/, 75 



Superphosphate Sup 

 600 lb. per acre 

 /907, II, V5 



4 

 Dung 



(ordinary) 



IStons per acre 

 1906. 10 '1^ 



Dung 



(Cal<e-fed) 



16 tons per acre 



J 9 06, '10, '/4 



4 



Shoddy 



3 

 Dung 



(ordinary) 



16 tons per acre 

 1905, '09,' 13 



Dung 



(Cake red) 



16 tons per acre 



(1) Dung 



(ordinary) 



16 tons per acre 



1904, '08, '12 



Rape-cake 



lOcwtperajcre 

 1907, 'II, 'IS 



4 



erphosphate 

 6001b per acre 

 1906, '10, 74 



Bone Meal 



^SO lb. per acre 

 /907, 'II, '15 



Bone Meal 



430 lb. per acre 

 1906, '10, 74 



Basic Slag 



600 lb. per acre 

 1907, 'II, '15 



buano 



8 cwt per acre 

 1906, '10, 74 



Rape-cai^e 



10 cwt per acre 

 1906, '10, 74 



Superphosphate 



600 lb per acre 

 1905, '09, '13 



Basic Slag 



600 lb. per acre 

 1906, '10, 74 



2 



Shoddy 



/ ton per acre 

 /905, '09, '13 



2 



Guano 



8 cwt per acre 

 1905, '09, '13 



Rape-caLke 



10 cwt per acre 

 /905, '09, '13 



Superphosphate 

 BOO lb. per acre 

 1904, '08, '12 



Bone Meal 



430 lb per acre 

 1905, '09, '13 



Basic Slag 



6001b. per acre 

 1905, '09. '13 





(1) Dung 



(Cake-fed) 



16 tons per ax: re 



1904, '08, '12 



I 

 Shoddy 



I ton per acre 

 1 9 04, '08, '12 



I 



Guano 



8 cwt per ax:re 

 1904, '08, '12 



Rape -cake 



10 cwt per acre 

 1904, '08, '12 



_^ 



Bone Meal 



430 lb. per acre. 

 1904, '08, '12 



Basic Slag 



600lb.peracre 

 1904, '08 . '12 



« CO 





lis 



Adjoins Broadhalk Field. 



Area of each plot, ^th acre. 



Series A deals with the residual effects of Ordinary Dung. 



Cake-fed Dung. 



Shoddy. 



Guano. 



Rape Cake. 



Superphosphate. 



Bone-Meal. 



Basic Slag. 

 In each series the manure is applied to one plot in 1904 and each successive fourth 

 year, to another plot in 1905 and each successive fourth year, to a third plot in 1906 and 

 ^^^ AuTu®^^^\^ ^°"^f^ ^o^^""' ^"^ *° ^ fo^^th P^ot in 1907 and each successive fourth year. 

 All the plots m the Series A to E, which deal with Nitrogenous Manures, receive, as 

 S^rf//??'^r ^St"*!^ v""""*' of Phosphates and Potash. Similarly, all the plots in the 

 aeries 1^ , Lr H, dealmg with Phosphatic Manures, receive equal dressings of Nitrogenous 

 or rotassic Manures as required. -i & & 



v.«iVr.^r i^^-^ T\ ^2 J°"^ ^ ^^^- P^'" ^^^^ °^ ordinary and cake-fed Dung respectively 

 v/as applied, instead of 16 tons as in previous years. s f J' 



(2) In 1908 and since, the Nitrogenous Manures appHed to the plots of Series C, D, and 

 ii nave been as follows — 



Series C. 

 „ D. 

 „ E. 



Shoddy, 957 lb. .= 50 lb. N. per acre. 



Peruvian Guano, 777 lb. = 50 lb. N. ,, 

 Rape Cake, 1036 lb. = 50 lb. N. 



Check plots receiving in Series A to E no Nitrogen throughout, 

 Series F to H, no Phosphates throughout. 



