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Lisa G. Neven

where they do not occur. Some countries require the issuance of a phytosanitary certificate under a systems approach ( Northwest Horticultural Council, 2006 ). Although organic apples can meet the stringent provisions of the “systems” approach

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Ajay Nair, Mathieu Ngouajio, and John Biernbaum

nutrients to the developing seedlings ( Weston and Zandstra, 1989 ). The nutrient management aspect for conventionally grown transplants has been extensively researched and largely optimized; however, there are challenges for organic transplant production

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Daniel Schellenberg, Ronald Morse, and Gregory Welbaum

Poster Session 12—Organic/Sustainable Horticulture 28 July 2006, 12:00–12:45 p.m.

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Timothy Coolong, Derek M. Law, John C. Snyder, Brent Rowell, and Mark A. Williams

., 2009 ). Leafy greens may be attractive to consumers wanting a nutrient-rich diet. It is noteworthy that those consumers concerned with health and diet may also be regular purchasers of organically grown fruits and vegetables ( Zanoli and Naspetti, 2002

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Joji Muramoto, Richard F. Smith, Carol Shennan, Karen M. Klonsky, James Leap, Miriam Silva Ruiz, and Stephen R. Gliessman

Nitrogen is the most common limiting plant nutrient and N fertility management is therefore an important but costly part of organic vegetable production. Nitrogen for organic production is available from a number of sources: mineralization of N from

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Anthony Silvernail and Michael K. Bomford

Poster Session 12—Organic/Sustainable Horticulture 28 July 2006, 12:00–12:45 p.m.

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William Sciarappa, Sridhar Polavarapu, James Barry, Peter Oudemans, Mark Ehlenfeldt, Gary Pavlis, Dean Polk, and Robert Holdcraft

When blueberries were first selected from the forests of New Jersey and cultivated in the early 1900s, the traditional culture of this native smallfruit was essentially organic in nature. Commercial examples of organic horticulture being used

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Jennifer Reeve and Dan Drost

Use of unheated plastic film-covered high tunnels to extend the growing season of high-value fruits and vegetables is increasing rapidly in the United States ( Lamont, 2009 ). Driven by strong consumer demand for local and organic produce, there is

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Juan Carlos Diaz-Perez, W. Keith Jenkins, Dharmalingam Pitchay, and Gunawati Gunawan

For premium quality transplant production, it is critical to provide balanced and complete nutrition before and after seed germination. In organic production systems, nutrient management is complex and variable, unlike in inorganic production

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Stephanie E. Burnett and Lois Berg Stack

Organic agriculture is a rapidly growing sector in agriculture; sales of organic produce increased by 20% or more every year from 1990 through 2002 ( Dimitri and Greene, 2002 ; Nelson et al., 2004 ). Vegetable and fruit sales represent the greatest