[kermit]

Any reason why one of my tuimbling toms (in tall container) has stopped flowering?  It looks healthy and has lots of fruit almost ready to pick, but there havent been any more flowers for about 4 weeks I reckon. 

My other ones are still flowering loads along with existing fruit (albeit they are yellowing quite badly - hoping its just magnesium deficiency). 

They are all outside, watered every night and fed every 5-7 days.  Weather has been hot and dry for ages, and nights arent cold at-all.