216 



THE IBRIGATION AGE. 



Of the many types of pumps available and in 

 Use the most common is, perhaps, the centrifugal pump. 

 They are made in standard sizes, ranging from two to 

 fifteen inches for diameter of suction and discharge 

 pipe, and on special order can be made any size re- 

 quired. The first cost will depend on size of plant and 

 type of engine used. For small plants capable of serv- 

 ing 100 acres or less, the first cost has usually been 

 $12 to $15 per acre, and operation and maintenance 

 from $2 to $3 per annum per acre irrigated. For larger 

 plants the relative cost has been materially lower. 



A recent estimate made by the United States Geo- 

 logical Survey for an extensive pumping system to serve 

 some 300,000 acres of land, indicates the first cost of 

 plant to be about $4 per acre and the .annual cost of 

 operation and maintenance to be about 50 cents per 

 acre-foot, or say, $1 per year per acre irrigated. When 

 it is borne in mind that the average cost of installa- 

 tion of gravity supply systems has been about $13 per 

 acre and the average annual charge for irrigation $1.60 

 per acre, the great possibilities of pumping can be 

 appreciated. 



The gasoline engine has proved to be a very effi- 

 cient power for driving pumps, and the cost per acre 

 by this method is sufficiently low to make this means 

 of securing power very economical for irrigation pur- 

 poses. 



SOUTH DAKOTA IRRIGATION. 



A. J. Glidden, the pioneer irrigator of Beadle 

 County, South Dakota, whose farm is near Hitchcock, 



gives an interesting account of his experiments and the 

 results attained by irrigation from artesian wells dur- 

 ing the past few years. Mr. Glidden began experi- 

 menting seven years ago, and each season the results 

 were most satisfactory, and he has demonstrated that 

 the system employed is both easy and practical, and 

 successful. 



The well from which the water comes, flows about 

 550 gallons per minute, and this is turned into a reser- 

 voir, covering about twenty acres. The lay of the land 

 is such that crops are quite exempt from early frost 

 in fall and late frost in spring. Mr. Glidden's report 

 for the year 1902 is as follows: 



Eighteen acres of cabbage yielded 95 tons; 3 acres 

 of onions, 1,600 bushels; 2 acres of tomatoes, 150 

 bushels ripe and 500 bushels green; 6 acres of potatoes, 

 500 bushels; 2 acres popcorn, 80 bushels; one-half 

 acre parsnips, 200 bushels; one-fourth acre beets, 200 

 bushels; one-half acre carrots, 250 bushels; 2 acres 

 squash planted with corn, 5 tons; 1 acre pumpkins 

 planted with corn, 4 tons.; 2 acres cucumbers and mel- 

 ons were seriously damaged by frost; 1 acre small 

 "truck"; 1 acre Iowa Gold Mine corn, very poor stand, 

 300 bushels; 25 acres Texas red oats, 1,300 bushels; 

 5 acres speltz, 200 bushels; 20 acres corn, caught by 

 frost, 500 bushels; 10 square rods strawberries, 14 

 bushels; 1,000 plum trees (only few bearing), 25 

 bushels ; 1,000 currant bushes, 200 bearing, 10 bushels ; 

 500 apple trees, '60 cherry trees, 250 crab apple trees 

 and 50 sand cherries, all bore well ; also big yield from 

 100 gooseberry bushes. 



Renew your subscription of the IRRIGATION AGE for 1905 



Send us in Post Office or Express money order for $1.00 



With Primer of Irrigation $2.50 



S. P. T. Carboiintum 

 Woodprestrvtr 



igh evaporating pi 

 U. S. AGENCY, 



KFRUITBOOK 



"shows in NATURAL COLORS and 

 accurately describes 216 varieties of 

 fruit. Send for our liberal terms of distri- 

 ' butioii to planters. Stark Bra's, Louisiana. Mo. 



$2.^0 



will pay for the 

 Irrigation Age 

 one year and The 

 Primer of Irriga- 

 tion. 



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Thinkers 

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and ANYONE wishing to collect 

 clippings on any subject, business 

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