Automation of Surface Irrigation: 15 Years of Usda Research and Development at Fort Collins, Colo (Classic Reprint) - Softcover

Haise, H. R.

 
9781527788015: Automation of Surface Irrigation: 15 Years of Usda Research and Development at Fort Collins, Colo (Classic Reprint)

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Excerpt from Automation of Surface Irrigation: 15 Years of Usda Research and Development at Fort Collins, Colo

Figure 1. Usda pneumatic valve showing ease of installation on standard, alfalfa valve (b). To install, lid (c) is first removed from threaded (d) spider. The threaded stem is inserted through center bushing (e) and then replaced in threaded spider. Normally open valve provides built-ih fail-safe feature in event of air pressure failure.

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9780265831243: Automation of Surface Irrigation: 15 Years of Usda Research and Development at Fort Collins, Colo (Classic Reprint)

Vorgestellte Ausgabe

ISBN 10:  0265831245 ISBN 13:  9780265831243
Verlag: Forgotten Books, 2017
Hardcover