THE IRRIGATION AGE. 



253 



Spraying as a Business Science 



Back in 1878, someone reasoned that if poison would 

 kill people it would surely kill bugs, and if bugs were the 

 cause of non-thriving trees and vegetables, why not place the 

 necessary poison where the bugs could eat it and die. Thus 

 was evolved the great science of spraying, upon which the 

 Government is now spending huge sums of money annually 

 to help raise larger and more perfect crops of grain, fruit 

 and vegetables. So came the first sprayer and its many suc- 

 essors. 



But the science of spraying depends upon many other 

 sciences for its evolution. Without the knowledge of insect 

 and plant life gained from the study of the science of en- 

 tomology, our efforts would be scattered and useless. Did 

 we not first have a knowledge of -the science of chemistry, 

 it would be utterly impossible for us to have the proper so- 

 lutions calculated to a nicety, and without the proper solutions 

 thorough spraying is impossible. Necessarily, therefore, in 



culture. Possibly its direct benefits have been surpassed by 

 far reaching. A further impetus has been given to scientific 

 research and the science set upon a most secure foundation. 

 Interest and confidence have been instilled into those en- 

 gaged in agricultural pursuits interest in further develop- 

 ments confidence in the scientific men who are working out 

 agricultural problems. 



The wise farmers of today make it a point to see that 

 their spraying is done just as regularly and thoroughly as 

 their plowing and planting ana unless some unforeseen cli- 

 matic conditions arise, their efforts are always rewarded with 

 a perfect, heavy and money-bringing crop. Mr-v a farmer 

 is now making more money from a careful 1 , ^.aned, culti- 

 vated and sprayed ten acre orchard than he formerly cleared 

 from his entire 200 acre farm. With apples of first grade 

 selling at $3 to $6 per barrel, how can he help it? 



A spraying outfit like the one in the illustration can be 

 purchased for approximately $275, and an immense amount of 

 ground can be covered with it in one day. Perhaps the cost 

 looks big to the beginner but when it is considered that trees 

 can be sprayed at a cost of IJ^c to 2c per tree and ten to 

 some other discovery or development of a science, but its 



BV 



Sprayer in Operation. 



order to uplift the science of spraying, the Government must 

 give corresponding attention to sciences upon which it 

 depends and from which it emanates. All of the vast amount 

 of money involved is merely an investment for future genera- 

 tions. 



To any one who is at all interested in fruit, land or for- 

 estry, the value of all this research is at once apparent. 

 Imagine for instance what would have become of California's 

 citrus crop had not Prof. Woodworth after painstaking re- 

 search discovered that he could control the white fly by an 

 application of certain oily chemicals. And the white fly 

 was ruining the citrus crop of California. It saved millions 

 of dollars for California and directly affected the citrus trade 

 of the entire world. Or, for instance, the discovery that cer- 

 tain proportions of lime and sulphur would make a mixture 

 offering the only method of salvation to trees affected with 

 the San Jose scale, the most pernicious and destructive little 

 pest yet known to growers of fruit. 



But what does all this mean to the American farmer? 

 The universal recognition of spraying as a sure preventative 

 marks one of the greatest steps in the advancement of agri- 



effect upon the receptive natures of the American farmer is 

 fifteen dollars received from one tree; as the Britisher said 

 "it doesn't look half bad." 



BLAZER SPECIAL PUMP. 



Something entirely new in form, but old in principle, is 

 offered by the Humphryes Manufacturing Company in the 

 Blazer Patent Spiral Pump. 



Two interlocking spirals working in synchronism con- 

 nected by cut gears and driven by a shaft in a suspension 

 tube constitute the working mechanism. Perfect lubrication 

 is secured by a column of oil maintained within the tube. All 

 weight of the spiral impellers and water load is borne by 

 ball bearings, thus reducing frictional losses and increasing 

 the efficiency. Slippage is practically eliminated, and the 

 pump, being in the positive pressure class, any speed in 

 accordance with the requirements and within the pump s 

 limits, can be maintained. It is the only pump possessing 

 these features of the deep well class. 



There is no suction or discharge pipe, the well casing 

 performing these functions; all valves are eliminated. 



The pump is now being manufactured in 8" and 12" sizes, 

 with capacities of 500 and 1,000 gallons per minute respec- 

 tively 



Full information will be furnished by the Humphryes 

 Manufacturing Company, of Mansfield, Ohio. 



