Description : What causes black rot on the bottom of my tomatoes and what can I do?
Last Answer : YOU NEED TO ADD CALICUM TO THE SOIL YOU HAVE BLOSSOM END-ROT ON YOUR TOMATOES ....EGG SHELLS HAVE CALICUM BUT NOT THAT MUCH.....AND ADD EPSOM SALTS ,ONE TABLESPOON PER GALLON AND POUR ON ... DOLLAR SIZE CALICUM ,BLOOD MEAL IN THE HOLE PLUS COMPOST AND USE EPSOM SALTS LATER, AS PLANT GROW.