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Plant growth is dependent on its nutrient status. For perennial crop plants, such as apple trees, it is important to assess their nutrient status so that the appropriate content of each nutrient can be balanced during the growing season. Nitrogen is

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European LCA studies ( Russo et al., 2008 ; Russo and Mugnozza, 2005 ; Russo and Zeller, 2008 ). LCA studies in Europe with forest tree seedling production have shown greenhouse heating and seedling transportation ( Aldentun, 2002 ) and production and

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1 Horticulturist. 2 Entomologist. 3 President, Native Tree, 1410 Johnson Ferry Rd., Marietta, GA 30062. Mention of a trade name(s) does not constitute a guarantee or endorsement by the USDA over other products. The cost of publishing this

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) to reduction in shoot growth and decline of the trees ( Ortega et al., 2006 ). In some cases, root malformation may lead to the death of the plant. Survival and the resilience of nursery seedlings to transplant stress depends on their ability to

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Florida citrus groves experience an average tree loss rate of 3% to 4% per year ( Muraro et al., 2005 ). Tree loss can be attributed to a number of factors, including, but not limited to, tristeza (citrus tristeza virus), blight (causal agent

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Chihuahua is the state that has the greatest production of pecan ( Carya illinoinensis ) in Mexico ( Servicio de Información Agroalimentaria y Pesquera, 2012 ). Factors such as an inadequate management of pecan tree orchards demand relatively large

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We gratefully acknowledge the advice and expertise of M. Rivest (Instant Shade) and Q. Lostracco (Lyon's Creek Tree Farm); and the field assistance of the Farm Crews at AAFC-Harrow (supervisor: W. McLean), AAFC-Vineland (B. Kemp, B. Arbon, B. Russ

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1 Horticulturist and professor; to whom requests for reprints should be addressed; e-mail delfving@wsu.edu . 2 Agricultural technician II. We wish to express appreciation to Bayer Environmental Science, the Washington Tree Fruit Research

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77 POSTER SESSION 10 (Abstr. 90-621) Tree Fruits/Nuts: Culture & Management

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thank the following Christmas tree growers who allowed us to use their plantations: Bruner Sides, David Sides, Homer Sides, Jimmy Sluder, Kermit Johnson, Ken Sexton, Sam Church, Cecil Aldridge, Mike Francis, Dan Boyd, and Waightstill Avery. We also thank

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