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Organic Tomatoes

The production of organic tomatoes has significantly grown in recent years, with production increasing by 50% from 2011 to 2015. By 2016, acres grown of organic tomatoes reached a record high with 12,400 acres cultivated for production.

To successfully grow tomatoes, the key nutrients for production include nitrogen, phosphorus, potassium, calcium, and magnesium. Deficiencies in these nutrients results in a loss of crop quality and a reduction in overall yield. Utilize a complete crop nutrition program to maximize crop quality and yield at harvest.

Use the images below to diagnose nutrient deficiencies in your organic tomato fields.

Nutrient Deficiencies

Nitrogen is mobile in the plant. Symptoms will appear as chlorosis first on lower leaves and stunted growth.
Phosphorus is responsible for capturing and converting the sun’s energy. Plants deficient in phosphorus exhibit purpling on the leaves, mainly near the leaf veins.
Potassium is mobile within the plant, causing deficiency symptoms to appear first in older leaves. Leaf symptoms appear as yellowing to necrosis on the outer edge of leaves.
Sulfur appears in every living cell and is important for photosynthesis. Plants deficient in sulfur will be stunted and pale green in color. Symptoms mainly appear in new growth.
Calcium deficiency causes blossom-end rot. Rapidly growing areas will become necrotic.
Vegetative growth shows a mottling pattern with interveinal chlorosis. As the deficiency becomes severe, leaves become necrotic.
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