Blossom end rot is a common tomato problem that shows up as a flat brown leathery spot on bottom of the fruit. It is caused by a calcium deficiency that can be caused by several reasons.
1. Lack of calcium in the soil (this is very rare in Kansas).
2. Sharp change from cool to hot weather, extreme soil moisture fluctuations, drought stress, root damage due to deep cultivation or waterlogged conditions, or excessive growth due to too much nitrogen fertilization.
1. Maintain even soil moisture (mulching will help).
2. Avoid over fertilizing.
3. Plant in areas with good drainage.
4. The first fruits of the season are most likely to have the problem.
Follow these helpful hints to ensure your tomatoes are as wonderful as can be!
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