Blossom-end rot results from an irregular or insufficient supply of moisture and/or not enough calcium in the soil. The tips of tomato fruits, especially the first fruits to ripen, become soaked with water, turn light brown, and become sunken as the fruits enlarge and start to ripen.
To avoid this condition, make sure your plants have adequate moisture. If you water your tomatoes, water heavily about once each week. Avoid frequent, light
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