Earthbox garden with cabbage , how to rid insects eating leaves?

Question:what is bt for spraying the plants? what is the generic name

Answers:
bacillus thuringiensis (BT) ISAN ORGANIC PEST CONTROL THAT COMES AS A DUST SPRAY OR GRANULAR FORM THAT WOULD WORK ON YOUR CABBAGES. AS WITH ANY PESTICIDES ----READ DIRECTIONS---- I USE THE DUST WHICH IS VERY EFFECTIVE..45 year gardener