. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 495 Contribution from the Office of Public Roads and Rural Engineering LOGAN WALLER PAGE, Director Washington, D. C. V February 14,1917 SPRAY IRRIGATION By MILO B. WILLIAMS, Irrigation Engineer CONTENTS Introduction Economic Conditions Justifying Spray Irrigation . Farm Conditions Adapted to Spray Irriga- tion Amount of Water Required for Spray Irrigation Development of Water Supplies . . Page 1 6 Screening Water 12 Types of Spray Irrigation Systems . 14 Stationary-N
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 495 Contribution from the Office of Public Roads and Rural Engineering LOGAN WALLER PAGE, Director Washington, D. C. V February 14,1917 SPRAY IRRIGATION By MILO B. WILLIAMS, Irrigation Engineer CONTENTS Introduction Economic Conditions Justifying Spray Irrigation . Farm Conditions Adapted to Spray Irriga- tion Amount of Water Required for Spray Irrigation Development of Water Supplies . . Page 1 6 Screening Water 12 Types of Spray Irrigation Systems . 14 Stationary-Nozzle Spray Systems ... 15 Stationary Overhead Spray Systems . 18 Types of Pumps for Spray Irrigation . 25 Designing of Spray Irrigation Systems . 29 Designing of Pumping Plant 32 Outline of Procedure for Installing Spray Irrigation Systems 35 Cost Data . 37. WASHINGTON GOVERNMENT PRINTING OFFICE 1917. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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