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105 ORAL SESSION 21 (Abstr. 188–194) Vegetable Crops: Culture and Management II

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the economic value of these crops and relatively low water-holding capacity of the sandy soils. These crops include 748,360 acres of tree fruit crops [mostly citrus ( Citrus spp.)], 120,306 acres of vegetables [including 37,782 acres of tomato

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12 ORAL SESSION 1 (Abstr. 001-008) Vegetables: Cover Crops/Culture and Management

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+ ) 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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Nearly 1.25 million hectares of vegetables were irrigated in the United States in 2008 ( USDA NASS, 2009 ). Most vegetable crops are shallow-rooted and sensitive to even mild soil water deficits and therefore normally require irrigation for

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105 ORAL SESSION 21 (Abstr. 188–194) Vegetable Crops: Culture and Management II

Free access