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Zhifeng Gao, Marilyn Swisher, and Xin Zhao

retail price, thereby serving as another source of farm income. They provide consumers with alternative ways to access fresh, locally grown, and/or organic food. FMs’ social functions also distinguish them from traditional food sales venues. In addition

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T.K. Hartz, R. Smith, and M. Gaskell

Organic production has become a significant sector of the vegetable industry in California. Providing sufficient soil nitrogen availability to reach maximum yield potential can be a challenge in organic culture. Cover cropping is generally the most

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Gerardo H. Nunez, Alisson P. Kovaleski, and Rebecca L. Darnell

The organic products market has been steadily growing throughout the world ( Shi-ming and Sauerborn, 2006 ). In the United States, sales of organic products reached $21.1 billion in 2008 ( U.S. Department of Agriculture, 2012 ), continuing the

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Robert L. Mikkelsen

consequences of inadequate K can be severe for crop growth and efficient utilization of other nutrients such as N and P. Maintenance of adequate K is essential for both organic and conventional crop production. Supplemental K is sometimes called “potash,” a

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Xin Zhao, Edward E. Carey, and Fadi M. Aramouni

Oral Session 1—Organic Horticulture Moderator: Matthew D. Kleinhenz 18 July 2005, 2:00–4:00 p.m. Ballroom H

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Francesco Montemurro, Angelo Fiore, Gabriele Campanelli, Fabio Tittarelli, Luigi Ledda, and Stefano Canali

Cover crops play an important role in organic farming and, in properly designed rotational systems, are able to provide fundamental ecological services to enhance agro-ecosystem sustainability ( Blackshaw et al., 2005 ; Bugg and Waddington, 1994

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George E. Boyhan and C. Randy Hill

quality and mild flavor ( Boyhan and Torrance, 2002 ). Organic production, which has been around for over 30 years, has gained new impetus with the adoption of the U.S. Department of Agriculture (USDA) National Organic Program (NOP), which defines organic

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Vincent M. Russo and Wayne W. Fish

; Organic Materials Review Institute (OMRI)-listed, Eugene, OR] was used. Major components of the medium are sphagnum, perlite, peatmoss, gypsum, and dolomitic limestone. Before filling trays, the medium from all bags were combined, moistened, and mixed so

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John Wilhoit and Timothy Coolong

, temperature regulation of the root zone and aboveground growing environment, reduced nutrient leaching, altered insect and disease pressures, and in some instances, reduced soil compaction or improved soil organic matter ( Diaz-Perez, 2010 ; Lamont, 1993

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K. Delate

, and Heartland Organic Marketing Cooperative for their support of this research and education program.