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VOL. 2, ISSUE 2 | October 2017 Contents 15 Crop yield studies


14 LEPA & close drop spacing A historical look at how & why this technology was developed


16 Using daily evapotranspiration estimates to increase irrigation efficiency with subsurface drip systems


18 Drip irrigation: When every drop counts


20 Monsanto Water Utilization Learning Center at Gothenburg, Nebraska Helping farmers improve crop production with less water


19


Recycling plastics 22 Recycling keeps irrigation plastics out of landfills


Other features


25 Principles of Efficient Agricultural Irrigation IA releases document outlining efficient irrigation principles


20 26 IA participates in U.S.-hosted ISO meeting


36 2017 Irrigation Show & Education Conference Don’t miss everything offered at the world’s biggest and best irrigation show!


Departments 23


4 Editorial message 6 From the CEO 9 IA happenings 11 Legislative update


12 Foundation news 28 Tech corner 31 Voices from the industry


33 Economy 34 International trends 38 Member insights 39 Weather outlook


Irrigation Today is published quarterly by the Irrigation Association, 8280 Willow Oaks Corporate Drive, Suite 400, Fairfax, VA 22031-4511 USA, Tel 703.536.7080, Fax 703.536.7019, info@irrigationtoday.org, www.irrigation.org. The publisher grants free subscriptions to those who work in the agriculture industry, and all requests will be reviewed for qualification. Those who do not qualify can subscribe by paying the one-year subscription fee of $20 ($35/year international rate).


This is the official publication of the Irrigation Association and carries news and announcements concerning the IA. The association and Irrigation Today are not responsible for content or opinions other than those relating to association activities.


ISSN 2572-7834 28


© 2017 by the Irrigation Association. All rights reserved. No part of this magazine may be reproduced in any form or by any means without permission in writing from the Irrigation Association.


POSTMASTER Please send address changes to: Irrigation Today 8280 Willow Oaks Corporate Drive Suite 400 Fairfax, VA 22031-4511


irrigationtoday.org 3


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