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Valérie Gravel, Martine Dorais, and Claudine Ménard

stages of crop establishment in the greenhouse ( Tremblay and Gosselin, 1998 ; Tremblay and Sénécal, 1988 ). Well-rooted seedlings that will ensure appropriate nutrient uptake under limited nutrient supply as well as potential leaf area and a balanced

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Israel Weiss, Yosef Mizrahi, and Eran Raveh

CO 2 enrichment. A small number of studies have investigated the response to CO 2 of the CAM species H. undatus (commonly known as pitahaya or dragon fruit), a vine cactus that is indigenous to the tropical and subtropical regions of Central

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David R. Bryla

equal amounts of N fertilizer ( Table 1 ). Roots were concentrated in the top 20–30 cm of soil profile, which is common in blueberry ( Bryla and Strik, 2007 ). When fertilizer was applied to only one side, plants had lower leaf N concentrations (on the

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Ali Loker and Sam E. Wortman

fruit and vegetable crops ( Brown et al., 2020 ). The majority of vegetable variety trials are conducted at a single location. As recent examples, O’Connell (2021) evaluated eight varieties of lettuce ( Lactuca sativa ) in field and high

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Davie M. Kadyampakeni, Kelly T. Morgan, Arnold W. Schumann, and Peter Nkedi-Kizza

production in sandy soils Water Air Soil Pollut. 143 139 154 Alva, A.K. Paramasivam, S. Obreza, T.A. Schumann, A.W. 2006 Nitrogen best management practice for citrus trees - I. Fruit yield, quality, and leaf nutritional status Sci. Hort. 107 233 244 Badr, A

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Thomas A. Obreza and Jerry B. Sartain

occurred, applying 50 to 60 lb/acre of urea can enhance flower bud induction and may increase fruit yield. Maximum penetration of urea into citrus leaves occurs within 12 to 24 h after spray application ( Orbovic et al., 2001 ). Optimum conditions for

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N. Mays, K.R. Brye, Curt R. Rom, M. Savin, and M.E. Garcia

Department of Agriculture, Agricultural Marketing Service, 2012 ). Sustainably improving soil through organic management for fruit tree growth and cropping can be difficult in perennial cropping systems and in regions such as the Ozark Highlands with

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Michael F. Polozola II, Daniel E. Wells, J. Raymond Kessler, Wheeler G. Foshee, Amy N. Wright, and Bryan S. Wilkins

- and low-crop seasons J. Amer. Soc. Hort. Sci. 134 399 404 Smith, M.W. 2010 Relationship of leaf necrosis and defoliation to phosphorus and potassium concentrations in selected tissue and to certain fruit quality parameters of pecan Scientia Hort. 125

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Jacob H. Shreckhise, James S. Owen Jr., and Alex X. Niemiera

from each plant for nutrient concentration analysis. Four 5.1-cm (≈11 ± 0.8 se leaves) and nine 6.1-cm (≈11 ± 0.3 se leaves) apical stem cuttings were taken from young stems of each azalea and holly, respectively. For hydrangea, 30 leaf blade

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Yuru Chang, Lorenzo Rossi, Lincoln Zotarelli, Bin Gao, and Ali Sarkhosh

The Muscadine grape ( Vitis rotundifolia L., Vitaceae) is the predominant grape cultivar commonly grown in the southeastern United States, with current markets existing for juice, wine, and fresh fruit ( Duarte Alonso and O’Neill, 2012 ). Most