Answer: Blossom end rot is often caused initially by a lack of calcium in the soil but it is usually triggered by either irregular watering or possibly excessive nitrogen in the soil. The best thing to do is to perform some basic soil tests and work from there based on the results. Also, be sure to maintain a regular watering program for your plants so that the soil is evenly moist but not soggy. Finally, there are also commercial sprays available for precisely this problem.
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