P A C I F I C T R E E A ND \' I N !•. 



29 



FigHting' Frost AVith AVater and 

 a Hose. 



Prof. McAdie of the United States 

 Weather Bureau, who has been studying 

 the frost problem, says : "The growers 

 are now pretty well able to protect the 

 orange trees from fro.st, but iiow to save 

 the almond crop is a serious and very 

 important question. The frost renders 

 tlu" almond crop about the most uncer- 

 tain we have. 1 have made arrange- 

 ments at several places to have a few- 

 almond trees set apart for special and 

 experimental treatment during the frost 

 season. These trees will be under my 

 supervision and we will see what results 

 can be achieved. One metliod of Treat- 

 ment will be to turn the hose on them. 

 The water will freeze and the trees will 

 be encased in ice. The scientific reason 

 for the treatment is that tlie damage 

 conies from the sudden warming up of 

 of the tree after being ehilled. The coat 

 ing of ice will prevent this." 



Prof. IMcAdie's experiment in this di- 

 rection will undoubtedly prove a .success. 

 His a well known fact that if tender 

 plants in the garden are frosted during 

 a cold night, they may be saved by 

 sprinkling them with cold water before 

 the sun rises, and there is no reason why 

 the same remedy should not apply in 

 the case of frosted trees. But there is 

 another xiew of the matter. Trees will 

 run about 108 to the acre. Frost fighting 

 must be done between 4 and 8 o'clock in 

 the morning, giving about four hours 

 working time. It will take an ordinary 

 man about ten minutes to spray the aver- 

 age tree, so that in four working liours 

 he could treat twenty-four trees, or say 

 four men to the acre, so that a hundred 

 acre orchard — and this is not a large or- 

 chard by any means — wouM require 400 

 men witn 400 spray pumps to fight frost 

 by the method suggested by I\Ir. McAdie. 

 Now, we don't know a single Imndred 

 acre orchard in California where they 

 keep 400 men who would be willing to 

 turn out at 4 o'c'ock on a frosty morning 

 to pump cold water on cold trees. 



A Farmers' Institute speciali.it has re- 

 cently been appointed by Secretary of 

 Agriculture, Wilson, whose especial duty 

 it will be to rei)resent the department at 

 agricultural gatherings and to help im- 

 prove institutes in various States. As a 

 result of the civil service examination, 

 John Hamilton, now secretary of agri- 

 culture of Pennsylvania, has received the 

 aiipointment and will soon enter upon 

 his new duties. Mr. Hamilton is a grad- 

 uate of tlie Pennsylvania State college, 

 and was professor of Agriculture in that 

 institution for about ten years. lie lias 

 bc>en secretary of agriculture since 1899. 



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