Walnuts Archives - Page 6 of 9 - West Coast Nut



Hedgerow Planting has Benefits and Drawbacks

A Chandler walnut hedging and whisking trial on an 11-year-old Chandler block was the topic of discussion for presenters Bruce Lampinen, integrated orchard management and walnut specialist, University of California (UC) Davis, and Janine Hasey, University of California Cooperative Extension (UCCE) farm advisor and walnut specialist, at the 42nd Annual Nickels Soil Lab Field Day in Arbuckle. Hedgerow walnut planting, like all agricultural practices, has its proponents and opponents, its pros and cons. It was those pros and cons the research team shared with those attending the field day. The hedgerow practice in walnut orchard planting is a high density...

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Crop and Marketing Predictions from the 2019 World Nut and Dried Fruit Congress

More than 60 countries were represented at this year’s World Nut and Dried Fruit Congress, which was held in Boca Raton, Florida. Nearly 1,300 people attended, many of them presidents and CEOs from the world’s leading nut and dried fruit companies and organizations. The Congress, or INC (International Nut and Dried Fruit Council), as it is affectionately called, is the largest international gathering of its kind. It’s an annual event for leaders in the industry—big marketers, customers and producers—to network, search out opportunities, and enjoy relaxing social activities with like-minded people. At these congresses, attendees receive crop forecasts, updates on...

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INDUSTRY ALERT | USDA Announces Details on Support for Growers

Today, USDA Agriculture Secretary Sonny Perdue announced funding for walnut growers impacted by unjustified tariff retaliation and trade disruption. The funds are being made available through the Market Facilitation Program (MFP), authorized under the Commodity Credit Corporation (CCC) Charter Act and administered by the Farm Service Agency (FSA). The funding is part of the trade relief package, announced by the United States Department of Agriculture (USDA) in May, which includes $14.5 billion in direct payments to producers and well as $100MM in Agriculture Trade Promotion funds for export market development. To date, the...

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Distribution Uniformity:

By Dani Lightle, UC Cooperative Extension Orchard Systems Advisor, Glenn, Butte & Tehama Counties

What is Distribution Uniformity? Distribution Uniformity (DU) is a measure of how uniformly water is being applied across the orchard, or whether certain parts of the orchard are receiving more water than others. It is a measure of the irrigation system. DU is a different measure than irrigation efficiency, which is a measurement of how well the applied water matches the crop water requirements. Irrigation efficiency is a measurement of how well you—the irrigator—applies a correct amount of water at an appropriate frequency. However, it is impossible to have a high irrigation efficiency without also having high distribution uniformity

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Anaerobic Soil Disinfestation in Walnuts

By Cecilia Parsons Associate Editor

Pulling and replanting a walnut orchard presents many challenges. Planning for treatment of orchard soils to ensure a healthy new orchard includes identifying problems ahead of time and choosing appropriate prevention. Chemical fumigation has been standard practice for replanting orchards, but alternatives are being studied. Though not currently used in commercial walnut production, there have been some large trials to determine if anaerobic soil disinfestation (ASD) is useful in suppressing soilborne pathogens and pests when replanting walnut orchards. Trials were conducted at the UC Kearney Agriculture and Research Center. The practice is being studied as an alternative to using chemical...

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