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¶ Figure 1. Key to Visual Diagnosis of Nutrient Deficiency
*"Visual symptoms" refer to deficiency unless otherwise stated.
** Symptoms of sulfur deficiency usually occur on upper leaves first, but a general yellowing of the entire plant may occur under prolonged deficiency conditions
¶ References
after Bierman and Rosen. 2005. Diagnosing Nutrient Disorders in Nutrient Management for Fruit and Vegetable Crop Production. Dept. of Soil, Water, and Climate, Univ. of Minnesota, St Paul, MN http://www.extension.umn.edu/distribution/ho