550 



Improvement of Poor Pasture. 



[dec, 



manures for pasture. in tree field. 



Results er ere for nine seasons, 1897- 1905. Plots 3 acres in area. 





Treatment and its total cost 



for nine 



Average of nine years, 1897-1905. 





years, 1 897 -1 905. 















0 











Live weight in- 















crease 



per sheep 



Annual 





Treatment, 



Cost. 



Hay. 



over 



plot 6. 



gain or 













Amount. 





lops(— ). 













^^d a lb 









s. 



d. 



cwt. 



lb. 



s. d. 



s. d. 



I 



Dec. cotton cake fed on 















plot, total of 597 lb. 

















1897-8, again 1903, and 

















again 1904*' 



116 



0 



192 



099 



21 9 



8 II 



2 



Common lime, 4 tons 1897, 















and again 1903 



100 



0 



12J 



I2| 



3 II 



-7 3 



3 



Basic slag, 10 cwt. 1897 ... 



23 



6 



25 





24 II 



22 3 



4 



Basic slag. 5 cwt. 1897, and 











again 1900 



23 



6 





66 



20 8 



18 0 



5 



Superphosphate, 28 per 

















cent., 7 cwt. (100 lb. 

















phos. acid) 1897, and 

















again 1900 



30 







57 





13 9 



6 



Untreated throughout 











— 



7 



Super, as on plot 5 ; and 















sulph. potash, 100 lb. 

















1897, again 1899, and 

















again 1903 



62 



0 



175 



65t 



20 7 



13 0 





Super, as on plot 5 ; and 













ground lime, 10 cwt. 1897, 

















again 1899, and again 

















1903 



70 



0 



20| 



79i 



24 9 



17 0 



9 



Super, as on plot 5 ; and 













sulph. am., 84 lb. (17 lb. 

















N.) 1S97, again 1899, 

















again 1900, and again 

















1903 



75 



0 



20 



54 



16 II 



8 7 



10 



Diss, bones, 6 cwt. (100 lb. 













phos. ac. and 17 lb. N.) 

















1897. and again 1900! ... 



66 



0 



20 



61J 



19 3 



II II 



7^//^ Untreated Plot. — For the last five years this plot (plot 6) 

 has been stocked with four sheep, but it had a larger number in 

 the first year. The average gain in live-weight per acre per 

 annum has been 37I lb., which at 3fd. a lb. is equal to us. 7d. 

 an acre. Live-weight increase, however, is not worth nearly as 



* Each lot of cake contained 42 lb. nitrogen and (assumed) 18 lb. j^hos. acid and 

 lb. potash. 



t Plot 10 has received half the total amount of nitrogen applied to plot 9 



5 cwt. slag contain 100 lb. phosphoric acid. 100 lb. sulphate of potash contain 



50 lb. potash. Dissolved bones, 1906, contain ico lb. phosphoric acid and 22-8 lb. 



nitrogen. 142 lb, nitrate of soda contain 22*8 lb. nitrogen 



The cost of manures per ton was as follows : — Basic slag, £2 7.=. ; superphosphate, 



£1 I2S. ; sulphate of potash, 14s.; sulphate of ammonia, ;^I3 ; dissolved 



bones, £^~^ los. Decorticated cotton cake cost £(> 12s. ; common lime, 12s. 6d. j 



and ground lime £1 per ton. 



