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Nutrition



Year-Round Health: Nutrition Management in the Orchard


Specialists rattle off chemistry terms, percentages, and solubility, and while it’s all extremely important information in regards to the health of your orchard, this knowledge becomes useless without the help of the most vital component: Water. Richard Kreps, CCA stressed water importance earlier this summer at the Mid Valley Nut Expo in Turlock, California, and it’s no secret that nutrition management comes down to the barest of basics for healthy trees and thriving orchards. But, are your trees drawing water from the depths they should be? What do you do as the season progresses? Ideally, your water is reaching down to the four-to-five foot level after the rains and spring begins. Unless your cation-exchange capacity (CEC) are five or less—which is practically river sand—you’re not going to get water down deep when the heat turns up. As such, your trees will not have available water to draw from at those...

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Nitrogen Management Research for Almonds


Research on nitrogen (N) management in almonds over the past decade has revealed application practices that can be beneficial on a three-pronged approach –  benefits to the tree, to the grower's pocketbook and to the environment. This subject has been the topic of trials, studies and presentations by the industry's top authority, Patrick Brown, professor of Plant Nutrition in the Department of Plant Sciences, University of California (UC) Davis. Additional research has been conducted by Franz Niederholzer, University of California Cooperative Extension (UCCE) farm advisor, Colusa and Sutter/Yuba counties and research coordinator at the Nickels Soil Lab in Colusa County. The goal of any fertilizer management strategy is to ensure that adequate nutrients are available to supply the current demand of the plant. Niederholzer says N is a key mineral nutrient in almond production throughout California, and its deficiency reduces kernel yield per acre. Almond nutrient management should focus on...

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Taking Super-fy to Superweeks


As fall approaches, pecans are typically top of mind, particularly when it comes to pie and the holiday season. However, as the American Pecan Council works to raise demand for pecans nationwide, we know a critical piece of our efforts is finding creative, engaging, and research-driven ways to reach our target audience outside of harvest and the holidays. We have previously shared with you our overarching campaign to harness the year-round superfood power of American Pecans. The Super-fy marketing campaign leverages the idea that pecans’ powerful nutrition makes them the perfect addition to any snack or meal. From January through March, Super-fy drove interest and engagement with our target audience, and was fueled by work with blogger partners, media relations, and social media. While the Super-fy campaign concept highlights the nutrition of pecans to our target audience, we also wanted to showcase pecans’ versatility. To take our message a step...

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Mycorrhizal Fungi Have Benefits in Agriculture


Researchers who are exploring this relationship are finding that mycorrhizal fungi are a vital part of ecosystem health around the world—not only in less intensively managed ecosystems but in agricultural landscapes as well. Mycorrhizal Fungi Mycorrhizal fungi colonize the root system of a host plant to form a symbiotic relationship and assist with water and nutrient acquisition. In return, the plant provides the fungus with energy in the form of carbohydrates, or sugars. In addition, these microscopic fungi may also play an important role in minimizing the impacts of stress and disease on plant hosts. Mycorrhizae exist as microscopic threads called hyphae and, when bunched together in a mass, form a net-like structure called mycelium that continues to grow and explore the soil. The mycelium of a single mycorrhizae can extend out to connect multiple plants or connect with other mycorrhizae to form a huge underground web called a common...

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Nutrition

What Walnut Growers Need to Know About Nutrition

By Cecilia Parsons, Associate Editor

Because of looming state regulations meant to protect ground water sources from nitrate contamination, California growers are being asked to re-examine how the amount of nitrogen (N) they apply compares with the amount they remove from their fields. Walnut growers are no exception. In order to use this nutrient more efficiently, growers and orchard managers may need to recalculate their application rates. Cost of over application is also a concern for growers. Ongoing research by University of California (UC) and University of California Cooperative Extension (UCCE) farm advisors, funded by the California Department of Food and Agriculture (CDFA) and the California Walnut Research Board, aims to more closely quantify the timing and scale of nutrient needs on typical soils to produce high yields. California walnut producers need to apply the nitrogen portion of their nutrients efficiently to reduce nitrate leaching below the root zone, and make sure their trees receive...

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