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phosphorous deficiency
Host: flue-cured tobacco (Nicotiana tabacum (flue-cured type)
L.)
Descriptor: Damage
Description: Delayed growth, particularly in the early season, is typical of Phosphorus (P) deficiency. Plants may be dark green in color if N levels are adequate, and leaves may be narrower than normal. Small, necrotic spots may appear on the lower leaves when deficiency is severe. Due to generally adequate levels of P in previously cropped and well-fertilized soils, deficiencies of this element are rare and often temporary. Photo shows plants in a low P soil on right. P shortages may be induced if root growth is restricted. High soil or fertilized if root growth is restricted. High soil or fertilizer P levels may result in more rapid early growth but not increased yields. As the root system expands, growth differences between various P levels become less apparent.
Image type: Field
Image location: United States
Photographer Information
Name: R.J. Reynolds Tobacco Company Slide Set
Organization: R.J. Reynolds Tobacco Company
Country: United States
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Image Number: 1402094
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Image Use:(?)
You must attribute the work in the manner specified (but not in any way that suggests endorsement).
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Image Citation:(?) R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org
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Node Affiliation:
University of Georgia
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Available Images Resolutions:
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