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Xin Zhao and Edward E. Carey

high tunnels in temperate climates ( Gent, 2002 ), but the potential for extended season production of cool season crops into the hot summer months is less recognized. During the hot summer months, cool-season vegetables can be grown under shaded

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Natalie R. Bumgarner, Whitney S. Miller and Matthew D. Kleinhenz

, Quebec, QC, Canada ( Chai et al., 2010 ; Mkandawire et al., 2005 ; Roturier and Bergsten, 2009 )]. Image analysis is reported to be effective in assessing vegetative cover, nutrient status, crop maturity, and vegetation indices in many agronomic and

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Daniel C. Brainard, John Bakker, D. Corey Noyes and Norm Myers

Cover crops growing below crop canopies provide several potential benefits in vegetable cropping systems. During extreme rainfall events, these “living mulches” protect the soil from degradation and reduce the risks of nutrient and pesticide runoff

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Dan TerAvest, Jeffrey L. Smith, Lynne Carpenter-Boggs, Lori Hoagland, David Granatstein and John P. Reganold

leguminous cover crops. The use of organic mulches such as wood chips, shredded paper, or alfalfa have increased soil N availability and mineralizable forms of N in multiple studies ( Forge et al., 2003 ; Marsh et al., 1996 ; Sanchez et al., 2003 ; Yao

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Kristen Hanson, Tilak Mahato and Ursula K. Schuch

Soil solarization uses solar radiation to disinfest the soil from pests detrimental to crop plants ( Katan, 1981 ; Stapleton, 2000 ). Soil solarization is used most in areas with high solar radiation and temperatures during the summer season ( Gill

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Daniel C. Brainard and D. Corey Noyes

amendments including compost and cover crops and by minimizing SOM losses through reduced tillage practices ( Magdoff and van Es, 2000 ). Although organic matter inputs are common in vegetable production systems, adoption of reduced tillage practices has been

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Olya Rysin, Amanda McWhirt, Gina Fernandez, Frank J. Louws and Michelle Schroeder-Moreno

systems with the same pesticide use as in the conventional system, but with the addition of compost application, summer cover crop rotations, and beneficial soil inoculants. Finally, the organic production system includes only production practices approved

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Rocío Leyva, Christian Constán-Aguilar, Begoña Blasco, Eva Sánchez-Rodríguez, Teresa Soriano and Juan M. Ruíz

-ketoglutarate, ATP, and nicotinamide dinucleotide production needed for the synthesis of Pro ( Mutlu and Bozcuk, 2007 ). Conclusion Crops cultivated during summer in the Mediterranean region are negatively affected by stressful environmental conditions, which in turn

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Amaya Atucha, Ian A. Merwin and Michael G. Brown

, and legume cover crops ( Hogue and Neilsen, 1987 ; Merwin, 2003a ; Merwin and Stiles, 1994 ). These studies have shown substantially different GMS effects on soil chemical, biological, and physical properties ( Merwin et al., 1994 ; Sanchez et al

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Tej P. Acharya, Mark S. Reiter, Greg Welbaum and Ramón A. Arancibia

productivity of warm-season vegetable crops in summer (Arancibia, 2012). Spun-bonded rowcovers used as LTs or as unsupported floating blankets create a greenhouse effect by modifying the microenvironment, which reduces evapotranspiration and increases plant