Question

what can be done to a decayed plants n vegetables?

Answer 1

hey mate here's your answer -
The decayed plants and vegetables can be buried in the ground and then it will enrich the soil which will increase crop production of the crops growing on it.
hope it helps !!

Answer 2

hello friend.

decayed plants and vegetables can be used to meke fertilizer. decayed plants and vegetables can be stored to form compost aur further it can be used as bio-fertilizers.

hope this information will help you.
best of luck.