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Michel R. Wiman, Elizabeth M. Kirby, David M. Granatstein, and Thomas P. Sullivan

minimize habitat for rodent pests. In organic orchards, this is commonly achieved by cultivation, which can degrade soil health and organic matter, damage roots, and compromise future tree performance ( Granatstein et al., in press ; Merwin and Stiles

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Xin Zhao, C.B. Rajashekar, Edward E. Carey, and Weiqun Wang

Work supported in part by a grant from the Organic Farming Research Foundation for a project entitled “Are organic vegetables more nutritious?” and by Initiative for Future Agriculture and Food Systems Grant No. 2001-52101-11431 from the USDA

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Stephanie Wedryk, Joel Felix, Doug Doohan, and John Cardina

Environmental quality and public health concerns about the use of chemicals in conventional agriculture have driven a large increase in demand for organic food ( Dorais, 2007 ). Acreage of certified organic farm land in vegetable production in the

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Dong Sik Yang, Ki-Cheol Son, and Stanley J. Kays

The use of ornamental plants in interiorscapes is increasingly being studied for their ability to remove volatile organic compounds, thereby improving the air quality of indoor environments ( Kim et al., 2008 ; Yoo et al., 2006 ). Deterioration of

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Albert H. Markhart III, Milton J. Harr, and Paul Burkhouse

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

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Heidi J. Johnson, Jed B. Colquhoun, Alvin J. Bussan, and Carrie A.M. Laboski

Nitrogen management for optimal crop production is one of the most difficult and costly practices in organic agriculture. The majority of the N in organic sources is bound in organic compounds, which must be mineralized by the soil microbial

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Danielle D. Treadwell, George J. Hochmuth, Robert C. Hochmuth, Eric H. Simonne, Lei L. Davis, Wanda L. Laughlin, Yuncong Li, Teresa Olczyk, Richard K. Sprenkel, and Lance S. Osborne

Sales of organic food reached $14.6 billion in the United States in 2005 and of those sales, fruit and vegetable sales comprised 2.48% of the total U.S. agricultural market share [ Organic Trade Association (OTA), 2006 ]. The organic fruit and

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Gary R. Cline, John D. Sedlacek, Steve L. Hillman, Sharon K. Parker, and Anthony F. Silvernail

but are precluded from use in organic production ( Rowell et al., 2002 ). Production of organically grown vegetables is increasing, and new effective organic management practices for cucumber beetles are needed due to the limitations of current

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Charles Benbrook

changes significantly as a function of these exogenous factors and farming system choices, in some cases exacerbating impacts on nutrient density and in other cases ameliorating them. For example, Yanez et al. (2008) showed that organic production can

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Cary L. Rivard, Olha Sydorovych, Suzanne O'Connell, Mary M. Peet, and Frank J. Louws

necessary per plant revenue to use grafted plants in a profitable way. Due to the recent regulatory issues associated with soil fumigants and the shift toward more intensive production systems among the organic sector, tomato growers are interested in