Posts Tagged: irrigation
As the alfalfa hay harvest season wraps up and we get in gear to attend the November 2017 Western Alfalfa and Forage Symposium in Reno, NV, we're...
Dog gone it's hot! This is expected in our Central Valley at this time of year, but when heat waves hit, it's important to be prepared with good...
Join us at the Kearney Agricultural Research and Extension Center for a half day of demonstrations and education on managing pertinent issues in...
In California, 40 percent of agriculture is still irrigated by pouring water onto farmland, a much less efficient practice that drip and overhead irrigation. But those numbers are changing, reported Matt Weiser on Water Deeply.
Weiser interviewed UC Cooperative Extension cropping systems specialist Jeff Mitchell about the water-saving potential of using overhead irrigation, a system that is popular in other parts of the nation and world, but only used on 2 percent of California farmland. Mitchell was the primary author of a research article in the current issue of California Agriculture journal, which said that water and money can be saved using overhead irrigation in production of wheat, corn, cotton, onion and broccoli.
Mitchell said California researchers are looking more closely at overhead irrigation because they anticipate future constraints on agriculture, including water and labor shortages. Additionally, the system is ideal for combining with conservation agriculture systems, which include the use of cover crops, leaving crop residue on the soil surface and reducing tillage disturbance of the soil. The combination of overhead irrigation and conservation agriculture practices reduces water use, cuts back on dust emissions, increases yield and improves the soil.
Weisner asked how overhead irrigation could be as efficient as drip, when people typically see "water spraying everywhere from these roving sprinklers high off the ground."
Mitchell said farmers use pressure regulators and a variety of nozzles on hoses hanging down from the system to deliver water at precisely the rate and location where it is needed through the season.
"So, they're not spraying water. These are low to the ground, and there are various delivery nozzle practices that can be used," Mitchell said.
Presenters will explore research, farmers' practices, and commercial products that aim to make California agriculture more resilient in the face of drought, weather extremes, and uncertain water allocations. Presentations from researchers in the morning will be followed by lunch and a panel discussion with area growers.
The field day is free for farmers, $5 for students, and $10 for the general public.
Russell Ranch is a unique 300-acre facility dedicated to investigating irrigated and dry-land agriculture in a Mediterranean climate. The ranch is run like a commercial farm and features a variety of research activities by UC faculty and UC Agriculture and Natural Resources researchers, with the aim of informing California agricultural practices. Russell Ranch is home to the flagship 100-year Century Experiment, an ongoing mega-experiment focusing on sustainable agricultural practices in California.
Since 1994, Russell Ranch has hosted an annual field day to share research findings related to pressing topics in California agriculture. This year's event will focus on a common challenge of farm fields across California: how to ensure healthy crops when the availability of key resources is uncertain.
The field day includes tours of Russell Ranch, in-field presentations, panel discussions with growers, and a poster session to learn about the variety of research and outreach on the topic of water management and scarcity.
The schedule of events is as follows:
8:30 – 11:30 a.m. Presentations from researchers
11:45 a.m. – 12:15 p.m. Lunch; view research posters and exhibitions from vendors of commercial irrigation products
12:30 – 1:15 p.m. Farmer panel discussion: Water Management on Farm: Challenges and Opportunities
The field day features presentations from:
Olivier Jerphagnon, PowWow Energy, Inc.
Stan Knutson, PowWow Energy, Inc.
Teresa Carillo-Cobo, Agricultural Sustainability Institute post-doctoral scholar
Amelie Gaudin, Assistant professor, Dept. of Plant Sciences at UC Davis
Martin Burger, Associate Project Scientist, Dept. of Land, Air, and Water Resources at UC Davis
Mark Lundy, Assistant Cooperative Extension Specialist, Dept. of Plant Sciences at UC Davis
Dan Putnam, Cooperative Extension Specialist, Dept. of Plant Sciences at UC Davis
Daniele Zaccaria, Assistant Cooperative Extension Specialist, Dept. of Land, Air, and Water Resources at UC Davis
Tim Hartz, Cooperative Extension Specialist/Agronomist, Dept. of Plant Sciences at UC Davis
Toby O'Geen, Cooperative Extension Soil Resources Specialist, Dept. of Land, Air, and Water Resources at UC Davis
Graham Fogg, Professor of Hydrogeology, Dept. of Land, Air, and Water Resources at UC Davis
Darren Drewry, Research Scientist, Climate Physics Group, NASA Jet Propulsion Laboratory
Russell Ranch's Annual Field Day
Farm Water Management in Times of Scarcity
June 8, 2016, 8 a.m. to 1:30 p.m.
Register at: https://registration.ucdavis.edu/Item/Details/246