Cotton Field Manuals

Nitrogen Deficiency
Retarded growth. Leaves become light green or yellowish with the older,…
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Phosphorus Deficiency
Phosphorus deficient plants are stunted but normally have good, dark green…
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Potassium Deficiency
Potassium is necessary for movement of the starches and sugars between…
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Magnesium Deficiency
Magnesium is active in the enzyme systems and is a constituent of…
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Zinc Deficiency
Stalk elongation practically ceases for awhile, the shortened internodes…
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