Check that you are watering them regularly with the same amount of
water each time as this is probably due to irregular watering from
letting them dry out a bit much and then watering them a bit too much
to compensate.


wrote:
I have tomatoes plants of different varieties in the ground and in 5
gal.buckets and they are all cracking on the top of the tomatoe its
self. Can someone help me out with this problem?