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Sulfur


Sulfur

Sulfur increases the protein content of crops and stimulates more rapid root development during early periods of growth.  A lack of adequate sulfur is almost always a limiting factor in garden soils. Visible symptoms include a uniform yellowing and mild upward curling of leaves on deficient plants. (Nitrogen deficiency shows confusingly similar symptoms.) A moderate to high level of sulfur is especially required for potatoes.

Degrees of sulfur deficiency in potato foliage: The most deficient, with characteristic yellowing and curling, is on the right.



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