168 



N. H. AGR, EXPERIMENT STATION. 



[Bulletin 137 



to artificial means of applying moisture. Should it seem under 

 certain conditions advisable to irrigate, the method to adopt 

 will depend largely upon the water supply. If convenient to 

 use a pipe system, the Skinner is considered the best by growers 

 who have tried several methods. Figs. 5 and 6 show the 

 Skinner system installed and in operation. With a pressure 

 of 40 pounds and pipes located 7 feet from the ground, water 

 is thro^vn 35 feet on each side, thus covering 70 feet and requir- 

 ing about 225 lineal feet of pipe and 225 nozzles at a cost of 

 about $60.00 per acre, including labor of installing. This out- 

 fit will last a number of years and may be moved to other lo- 

 cations at a small expense. 



Fig. G. — Shouing both high and low method of piping for overhead irrigation. 

 Pipe lines should run jxindhi with rotes. 



Mulching. 



Winter mulching. — The object of mulching strawberries 

 during this season of the year is to prevent winter-killing caused 

 by freezing and thawing of the soil during an open winter. It 

 .should be applied just before or directly after the ground has 



