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R.L. Parish, R.P. Bracy, and W.C. Porter

Vegetable Crops

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Mark Gaskell and Richard Smith

overall beneficial effect on soil structure and related properties, this discussion is limited to direct effects on the N nutrition of an organic vegetable crop. This review discusses the N sources and the factors affecting N fertility management for

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T.K. Hartz, A. Baameur, and D.B. Holt


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Michael D. Dukes, Lincoln Zotarelli, and Kelly T. Morgan

vegetable crops, in terms of U.S. production, are onion ( Allium cepa ), head lettuce ( Lactuca sativa ), tomato, and watermelon ( Citrullus lanatus ), which combined account for 65% of the total production. In particular, vegetable crop cultivation areas

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Hector Valenzuela, Stacy Riede, and Harry Yamamoto

125 POSTER SESSION 18 Nutrition & Photosynthesis/Vegetable Crops

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Monica Ozores-Hampton

+ ) forms are insoluble. Immobility of Fe at high soil pH (7.4–8.5) may be the main factor responsible for Fe and other micronutrient deficiency in vegetable crops ( Fisher et al., 2003 ; Schulte, 2004 ). As pH increases, Fe solubility decreases. At high pH

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Alberto Pardossi and Luca Incrocci

cropping systems [e.g., dry land bean ( Phaseolus spp.), tomato ( Solanum lycopersicum ), and potato ( Solanum tuberosum ) in Latin America; winter melon ( Cucumis melo ) in Mediterranean regions], in field-grown vegetable crops irrigation is essential to

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Laura Avila, Johannes Scholberg, Nancy Roe, and Corey Cherr

Oral Session 29—Vegetable Crops Culture & Management 2 30 July 2006, 10:30–11:45 a.m. Southdown Moderator: Elizabeth Maynard