my beautiful tomatoes leaves are curling up and dying and the plants r dying...
The most likely problem you could be tomato leaf curl. http://www.clemson.edu/extension/hgic/hot_topics/2008/05tomato_leaf_roll.html
Tomato leaf curl can be caused by environmental stresses, herbicide damage or viral infections.
Be sure to look at the way your leaves are curling and the color of the leaves. This is will help you to tell what may be causing your leaf curl issue.