'552 



Improvement of Poor Pasture. 



[dec, 



after the second application of slag) to 17 per cent. While, 

 therefore, the results on this plot have not been quite so good as 

 on plot 3 the clover development has been greater and much 

 better maintained. 



The following figures show the comparative effects of 1 5 cwt. 

 slag on plot II (not shown in the table), and 10 cwt. slag on 

 .plot 3 for six years after application, the former having been 

 applied in 1900, and the latter in 1897 - 





Live- weight increases in lb. per acre. 



First year ... 

 Second year 



Third year ... .. ... 



^Fourth year 



Fifth year ... 

 Sixth year ... 



Total ' 



Average ... 



15 cwt. slag. 



45 

 100 

 144 



70 



73 



44 



10 cwt. slag. 



4? 

 118 



163 

 87 

 82 

 86 



484 



80 



576 

 96 



. The better results given by 10 cwt. slag may be partly 

 accounted for by the fact that while 10 cwt. slag developed 

 20 per cent, of clover two years after its application, 15 cwt. 

 increased it to over 35 per cent., but Yorkshire fog was developed 

 to the extent of nearly 50 per cent, four years after the heavier 

 dressing of slag, whereas it increased in the same time to less 

 than 20 per cent, by the lighter dressing. This large amount of 

 fog is the probable cause of the smaller returns from the heavier 

 dressing of slag in the later years. 



Results from Superphosphate. — Plot 5 had 7 cwt. super- 

 phosphate per acre applied for 1897 and the same for 190CX 

 This contained the sarnie amount of phosphoric acid and was 

 applied at the same times as the two dressings of slag on plot 4. 

 In the first three years superphosphate gave a total live-weight 

 increase of 125 lb. as compared with 132 lb. from slag similarly 

 applied on plot 4. Superphosphate gave the better result in 

 the first year but a poorer one in the last two years. The second 

 application of superphosphate gave 271 lb. increase in live- 

 weight in the three years after the second dressing had been 

 applied as compared with 284 lb. by slag in that period. That 

 this manure becomes more quickly exhausted than slag is shewn 



