well maybe you are using too much nutrients, like other guy said a pic would be nice, after all drying up or buring of plant could me a number of things, you might have a deficiency of possible nitrogen, or your PH could be off, sorry wish i could be of better helpi`m not going to be able to post pics but im going to try to describe it the better i can. the plant is drying form the top to the bottom. also the leaves appear to be drying from the outer part to the inside of the leaf. the plant smell dry!@
i hope there is something i can do! if any one can help me please