EXPERIMENT WITH A TURF PLOUGH. 



447 



ground that had not been disturbed. The following figures 

 show the increases per acre due to manure : — 



Manures applied to "ploughed "\. 



ground (compare plots 2 and 3) - J 

 Manures applied to " unploughed "\ 



ground (compare plots 4 and 5) - / 



1898. 



1899. 



Total. 



Cwt. 

 15 



'Si 



Cwt. 



7S 



Si- 



Cwt. 



22| 

 23fi 



The results, it will be seen, are each year slightly against 

 the " ploughed " ground, so that not only is the ploughing 

 in itself harmful, but it also prevents manures exercising 

 their full effects. 



William Somerville. 



