Posts Tagged: Riverside County
Avocado growers to get irrigation tools, strategies from UC ANR’s Montazar
CDFA grant supports research to optimize water use for iconic California crop
California growers, who account for more than 90% of avocado production in the U.S., will soon be getting some help in weathering the extreme fluctuations of climate change.
Ali Montazar, a University of California Cooperative Extension irrigation and water management advisor, recently received a grant to develop tools and strategies that optimize growers' irrigation practices across Southern California – the state's avocado belt. California avocados are valued at more than $411 million, according to the National Agricultural Statistics Service.
“This region faces uncertain water supplies, mandatory reductions of water use, and the rising cost of water – while efficient use of irrigation water is one of the highest conservation priorities,” Montazar said. “Water is the most critically important input to avocado production.”
At the California Avocado Commission's suggestion, Orange County was added to the study to better capture the range of climates and cropping systems across the region, Montazar said.
He hopes to develop “crop coefficients” that avocado growers can use to determine the optimal irrigation for their crop based on a host of factors: soil type and salinity, canopy features, row orientation, slopes, soil and water management practices, and more.
“Growers are unclear on how much water the crop actually needs under those conditions,” Montazar said.
He will incorporate data from the actual water use in the experimental orchards – including information from the newest soil moisture and canopy temperature sensors – to help ensure growers do not under- or overwater their crops. Overirrigating contributes to a devastating disease, avocado root rot, caused by the plant pathogen Phytophthora cinnamomi.
Another component of the grant supports outreach in disseminating these resources and best practices to the broader agricultural community.
“Developing and adopting these tools and information may have a significant impact on water quality and quantity issues and bolster the economic sustainability of avocado production not only in the well-established production region of Southern California, but also in Kern and Tulare counties where new avocado plantings are growing,” Montazar said.
Preliminary findings and recommendations are expected at the end of 2022.
/h2>'Trees for Tomorrow Start Today' Workshop (via Zoom) March 9, 2021 (8:15 AM - 3:00 PM)
Landscape trees provide shade, cool urban heat islands, reduce interior energy use and related costs, provide habitat for pollinators and wildlife, and beautify our communities. They also help clean our environment by absorbing carbon dioxide emitted by vehicles and other producers of fossil fuels.
Taking care of our urban trees is an important way to maximize these benefits. Unfortunately, their average lifespan in our cities is less than 1/4 of their potential due to poor selection and care. You can help enact change and increase the health, longevity and canopy coverage of our urban forests by encouraging your city leaders, local non-profit organizations interested in ‘green cities' arborists, landscape architects, nursery growers, HOAs, and concerned citizens to register for our free ‘Trees for Tomorrow Start Today' workshop (via Zoom) on Tuesday, March 9, 2021 (8:15am – 3pm).
Please reach out to your city leaders and local ‘green industry' professionals to encourage their attendance and participation. While the workshop is free, registration is required through this secure link: http://ucanr.edu/u.cfm?id=264
A bevy of speakers including certified arborists, horticulturists, planners, water district personnel and other non-profit and green industry representatives will discuss the benefits of urban trees; recommended practices for their selection and care; how to avoid hazardous trees that damage property and structures; and share success stories resulting from partnerships through cities, non-profit organizations, the green industry, HOAs, and street tree committees.
A highlight of the workshop will be the opportunity for attendees to participate in breakout sessions that cut across professions and interest groups (city planners, community service directors, arborists, landscape architects, landscapers, water district managers, HOA managers, golf course superintendents, nursery growers, UC master gardeners, concerned citizens, etc.) to enact positive change regarding tree selection and care.
Thank you for sharing this opportunity to help ensure a healthy future for our children's children with your city leaders and decision-makers.
In the meantime, here are some tree care tips to ‘start the conversation' between now and the workshop:
• Select trees that perform well in your climate. The Sunset Western Climate Zone maps are more precise than USDA zones for our warmer climates. Trees should also be selected based on their adaptation to the ‘micro-climate' in each particular landscape, as well (shade, proximity to buildings, space needs below as well as above ground, soil type, water source, etc.)
• Plant trees the same depth they were in their container in holes at least 2-1/2 times wider. Do not add compost or organic matter to the hole. This practice can result in circled roots that never grow laterally out of the confines of the dug hole.
• Remove any tree ties that are cutting into the trunk or branches of your trees. If trees must be staked due to windy conditions, make sure that the ties are loose enough to allow trees to gently flex in the wind. This helps trees develop the necessary lower trunk strength and stability to support the tree as it matures. Over time, you may be able to completely remove the ties and stakes once the lower trunk becomes stronger and self-supporting.
• Keep all plants and mulch several inches away from tree trunks.
• Keep tree trunks dry. They should not come into contact with water from sprinklers or hoses.
• Regularly water newly planted trees but water mature trees infrequently and deeply. Watering too often reduces the level of oxygen in the rootzone and can lead to waterlogged soils prone to crown and root rots. During fall, trees require only about 15% of the water they require in the summer.
• Prune trees only as needed and avoid topping them. Invest in the services of a credentialed and knowledgeable professional to correctly care for your valued trees. Find a list of International Society of Arboriculture Certified Arborists in your area here: https://www.treesaregood.org/findanarborist.
Presidential policy on gender recognition and lived name; County Director recruitment deadline approaching
New policy: Presidential policy on gender recognition and lived name
A new Presidential Policy ensures that all University-issued identification documents display personal identification information that recognizes individuals' accurate gender identity and lived name. In brief, the policy stipulates that the University must provide the minimum three equally recognized gender options in university information systems — woman, man, and nonbinary — and an efficient process for current students, employees, and UC alumni and affiliates to retroactively amend their gender designations and lived names in information systems and on university-issued documents, including eligible academic documents.
This policy is effective as of November 6, 2020 with full implementation of the policy and procedures to be completed no later than December 31, 2023. This policy has undergone the full systemwide review process and will be posted online at http://policy.ucop.edu/.
You can also view the Letter from the President, the new Presidential Policy and Appendix I here: https://ucanr.edu/sites/anrstaff/Administration/Business_Operations/Controller/Administrative_Policies_-_Business_Contracts/Policy_and_administrative_handbooks/ANR_Administrative_Handbook/Recent_Updates/
Riverside County Director recruitment deadline approaching
UC ANR leadership has opened an internal call for those interested in assuming the role of County Director (CD) for Riverside County beginning January 2, 2021. This call is open to all UCANR employees regardless of staff or academic status. Employees will be expected to take on this role as a partial appointment in addition to their current role, and will be compensated accordingly.
If you are interested in being considered for this County Director position, please address your letter and position questions to Vice Provost Mark Lagrimini at mlagrimini@ucanr.edu. Please indicate your motivation to serve in this capacity; the key strengths you will bring to this position; and your approach to balancing the demands of this appointment with your current responsibilities. Submit your letter of interest to Pam Tise at pdtise@ucanr.edu by November 23, 2020.
The County Director is responsible for the coordination and overall operation of Cooperative Extension programs in Riverside County. Responsibilities include leadership and oversight of all CE extension and research programs including effective management and supervision of all staff and academic personnel including oversight, evaluation (annual evaluations, merit and promotions), mentoring, coaching and discipline. Additionally, the incumbent will be responsible for maintaining effective collaboration and communication between the University of California and the administrative officers of Riverside County. Maintaining and enhancing Riverside County CE budgets, serving as an advocate for CE and all its programs, and developing and maintaining good working relationships with public and private agencies in Riverside County is paramount to the success of the CD role.
The County Director is expected to:
- Provide vision, inspire, and motivate others with attitude and actions; set a high standard for excellence; innovate and foster positive change; model and support a good team working environment; and encourage and is open to exploring new ideas and innovative changes, and provide active, ongoing advocacy and support for UC ANR programs.
- Understand and uniformly apply UC and County Administrative policies; provide useful and timely feedback; take timely disciplinary action within UC and County procedures, if necessary; and work with staff in advance of deadlines for required records and reports.
- Successfully secure county resources, as well as other sources of support; effectively manage and equitably allocate resources among programs and established priorities; monitor the use of resources and complies with all relevant policies; and maintain effective working relationships with internal and external partners to form strong support networks for UCCE.
- Be an effective listener and communicator; take responsibility for his/her own actions; motivate others; keep commitments; and cultivate political and industry support for UC ANR.
- Demonstrate concern for all staff; effectively manage all personnel supervision, oversight, annual evaluations, merits and promotions, and take appropriate disciplinary actions; make effective use of staff expertise to strengthen the team; and invest in improving all staff expertise and supports professional development.
The add-on appointment will be for a two-year term, and is subject to renewal, renegotiation, or termination. As with all administrative appointments, County Director appointments are at the discretion of the Vice President and may be terminated at any time.
Tips for Enhancing the Fire-Resistance of Your Home Landscape
Welcome to another “New Normal!” Due to climate change resulting in hotter, drier conditions and reduced snowpack, the occurrence of a “fire season” which traditionally occurred from May through October is becoming a misnomer, with fire occurring throughout the year. The severity of what may lie ahead over the next several months was highlighted in a recent tweet posted by CAL FIRE: “Compared to last year, California has seen over 2,650 more fires and a nearly 2000% increase in the acres burned year-to-date (January 1 – September 7), across all jurisdictions.”
Indeed, Fall often hosts strong offshore winds that can quickly spread destructive fires, exacerbated by the impacts of climate change. What can you do to help ensure ‘defensible space' that increases the safety of your family, pets and property in fire-prone areas? First and foremost, select and properly maintain fire-resistant plants augmented with hardscapes and fire breaks extending from your home to at least one hundred feet outward. (This also helps ensure access to your home by firefighters and other first-line responders in the event of a fire or other life-threatening event.)
Vegetation chosen for your defensible space should have low flammability and can include trees and shrubs along with herbaceous plants. Allowing adequate space between woody plants is important to avoid a continuous fuel path (fuel ladder) where fire starting at ground level can climb to the top of a tree and spread from tree to tree.
1. Follow these ‘defensible space' guidelines to reduce the risk of fire spread and damage:
Zone 0 (first 5 feet from structures): avoid anything combustible including woody plants, mulch, woodpiles, trellises, and stacked items. Instead, add walkways and mulch and other hardscaping made from pebbles and rocks, pavers, rock mulch, or pea gravel. Include a 6-inch noncombustible area extending from the ground to the exterior siding of structures.
Zone 1 (5-30 feet from structures): Eliminate fire spread by ensuring adequate space between trees, removing lower branches. Consider adding irrigated groundcovers or mowed grass or hardscapes between these plant groupings, as well. Properly maintain plants and remove dead portions of plants.
Zone 2 (31-100+ feet from structure to the property line): Concentrate on reducing the density of plants to slow the spread of fire and to reduce the height of flames. Woody plants should be spaced (as illustrated below) to prevent fuel ladders.
Defensible Zones (source: National Fire Protection Association, nfpa.org)
2. Remember that even a so called “fire-resistant” species that is under-watered or otherwise poorly cared for can be highly combustible. The conditions under which the plant is grown influences its fire-resistance more than the species itself. However, plant species high in wax, oil, and resins such as conifers tend to be highly flammable while manzanita and ceanothus (California lilac) are less so.
3. Avoid planting or spreading invasive species. While invasive plants are never recommended in any landscape, they are especially problematic in natural areas prone to wildfire. Once established they can fuel fire as well as crowd out native vegetation and associated habitat. Refer to the California Invasive Plant Council website for more information and specific examples and plants to avoid (www.cal-ipc.org).
4. Follow recommended planting and pruning guidelines to prevent both horizontal and vertical spread from tree to tree. Horizontal spacing is directly related to the slope of the land and the height of the vegetation.
Photo above (courtesy of CAL FIRE) is a diagram to help you determine minimum horizontal clearance for tree and shrub placement to reduce fire risk.
Photo above (courtesy of CAL FIRE) shows a 5' shrub near a tree. In this example, 15' of clearance (3 x 5') is needed between the top of the shrub and the lowest tree branch to prevent a fire ladder.
5. While fire-resistant natives and adapted non-natives greatly reduce your chance of losing your home and property to wildfire, all plants will burn under favorable conditions. Ensure that plants receive adequate irrigation.
6. Rather than applying organic mulch near your home, use non-flammable materials such as stone and pebbles. Granite pathways are also suggested since they provide a fuel break. Firewood and propane tanks should also be kept away from your home.
References:
CAL FIRE “Ready for Wildfire”: https://www.readyforwildfire.org/prepare-for-wildfire/get-ready/defensible-space/
Drill, S. et al. (2009), S.A.F.E Landscapes: Southern California Guidebook, UC Cooperative Extension: https://ucanr.edu/sites/SAFELandscapes/files/93415.pdf
UC ANR “Preparing Home Landscaping for Fire”: https://ucanr.edu/sites/fire/Prepare/Landscaping/
Riverside supervisors vote to restore UCCE funding
After more than 100 4-H members, UC Master Gardeners and others attended a Riverside Board of Supervisors' meeting in support of UC Cooperative Extension June 10, the panel voted 5-0 to restore UCCE's funding, reported Jeff Horseman and Matt Kristoffersen in the Riverside Press Enterprise.
The vote reversed an earlier decision to cut UCCE funding as part of a larger plan to deal with reduced county tax receipts. If the funding had not been restored, services including 4-H, nutrition education and agricultural programs would have been effected, said Eta Takele, UCCE director in Riverside County.
UC Cooperative Extension, a key part of UC Agriculture and Natural Resources, serves all California counties. Academic advisors work with farmers to implement more-efficient growing methods, solve pest management problems and develop smart water-use strategies. Natural resources advisors conduct wildfire education and research natural resources conservation. Nutrition educators promote nutritious eating habits and exercise for better health. California 4-H Youth Development Program engages youth to become leaders. Thousands of volunteers extend UCCE's through the Master Gardener, Master Food Preserver, California Naturalist, and the California 4-H Youth Development Programs.
During the June 10 meeting, the supervisors heard from Riverside 4-H members who have been aided by their involvement in the program.
4-H member Bethany Campbell told the supervisors 4-H helped her overcome shyness and gain confidence.
“4-H helped me rise above fear and insecurity to become a leader," Campbell said.
A Blythe 4-H member, Samantha Teater, 17, said, 4-H "definitely saved me from getting into trouble."
UC ANR associate vice president Wendy Powers attended the supervisors' meeting.
"Those who offered public comment provided heartfelt testimony about the impact of our programs and how they, personally, have benefited and how the county has benefited," Powers wrote in her blog. "The work's not over. We need to continue to engage those who don't know us but make decisions that impact us. We need to continue to engage those who do know us, and brainstorm how to do better – reach more people, have a greater impact."
The article said Riverside County officials would work with UC Cooperative Extension to save money by moving its offices from leased office space to county-owned space.