156 LAWNS 



if watering is done during the daytime. On 

 the contrary much good is done as the water 

 is usually cold — sometimes very cold — and 

 the sun offsets this, which is not the case 

 when the water is applied at night. 



MOWING AND ROLLING 



"Cutting a green- seems a simple thing, 

 but it is well to remember that no green should 

 be cut twice with the mower running the same 

 way. If it was cut north and south last time, 

 run the mowers east and west next time, and 

 so on, alternately. If cut circularly, reverse 

 in the same way. Not only does this insure 

 a much cleaner, trimmer, cut, but it improves 

 the grass. 



"Except in the early spring, just after the 

 frost is out of the ground, a heavy roller 

 should not be used on a green. Even then 

 it is better not to do so unless the ground has 

 been badly worked up by the frost. The use 

 of a heavy roller tends to make the grass 

 root-bound and materially injures any green. 

 All greens should be rolled at least once a 

 week with a comparatively light roller — the 

 ordinary garden roller. Those with three 

 sections are the best. Finally, a roller should 



