Question

Why is it important for granaries to be cleaned and drive?

Answer 1

if it is not clean, then microorganisms might destroy the seeds, which will be unfit for human use.
the unclean granaries might be a suitable place for microorganism growth.

Answer 2

CERTIFIED ANSWER. In the first case, granaries should be kept dry in order to prevent the spoilage of the harvest. Because, microbes can grow in damp environment. To keep granaries clean is important to keep the harvest hygiene