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Adolfo Rosati, Andrea Paoletti, Raeed Al Hariri, Alessio Morelli and Franco Famiani

maintaining higher partitioning into fruit in the mature tree (more abundant yield, relative to tree size) to the detriment of vegetative growth ( Archbold et al., 1987 ; Forshey and McKee, 1970 ). In fact, reproductive and vegetative growth are in

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Xiuming Hao, Guang Wen, Athanasios P. Papadopoulos and Shalin Khosla

)] were needed to achieve high yield, in comparison with the conventional umbrella system [1.4 to 1.8 plants/m 2 ( Ontario Ministry of Agriculture and Food, 2005 )]. This inadvertently has resulted in higher crop start-up costs. The cost of greenhouse

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Jennifer Reeve and Dan Drost

conditioner, yields can suffer, at least in the short term, as a result of variability in N mineralization rates ( Hartz et al., 2000 ). In addition, when composts are applied continuously, growers risk excessive P, K, and trace element buildup, posing risks

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Uttam K. Saha, Athanasios P. Papadopoulos, Xiuming Hao and Shalin Khosla

-based production system, the soilless methods have increased the productivity significantly. However, further yield increases have been difficult as a result of several limiting factors such as unsatisfactory spatial root development, rapid root collapse, and

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Thomas M. Kon and James R. Schupp

centimeter trunk cross-sectional area (TCSA)] ( Uriu and Lilleland, 1959 ), and is effective in estimating the effects of fruit-thinning treatments on fruit number, yield, and mean fruit weight ( Forshey and Elfving, 1979 ). The Maîtrise de la Fructification

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Valtcho D. Zheljazkov, Tess Astatkie and Ekaterina Jeliazkova

that ‘Native’ spearmint can be grown in a wide range of environments outside the traditional spearmint production areas and produce desirable yields and oil composition ( Zheljazkov et al., 2010a , 2010b , 2012 , 2013 ). Spearmint oil content in

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Wenjing Guan, Xin Zhao, Danielle D. Treadwell, Michael R. Alligood, Donald J. Huber and Nicholas S. Dufault

harvested in Florida in 2007, whereas data on other specialty melon types were not provided. The major production barriers are lack of disease resistant cultivars and poor marketable yield ( Maynard, 1989 ). The challenge is more pronounced in Florida as the

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Ted S. Kornecki and Francisco J. Arriaga

protect soil resources while increasing or maintaining yields. Cover crop use can improve soil physical properties, increase soil organic carbon, conserve soil water, reduce surface runoff, and recycle nutrients ( Hubbell and Sartain, 1980 ; Mansoer et al

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James R. Schupp, H. Edwin Winzeler, Thomas M. Kon, Richard P. Marini, Tara A. Baugher, Lynn F. Kime and Melanie A. Schupp

long been recognized as a dwarfing practice, resulting in trees that are smaller than unpruned trees, with effects on vegetative growth, flowering propensity, fruit quality, size, and yield ( Gardner et al., 1922 ; Seleznyova et al., 2013 ). The

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Xiaotao Ding, Yuping Jiang, Dafeng Hui, Lizhong He, Danfeng Huang, Jizhu Yu and Qiang Zhou

on greenhouse management, cucumber growth, and yield models. For example, to increase the efficiency of the crop production process, Boaventura and de Moura (2003) studied an optimal management practice of greenhouse environments related to capital