Question

how do storage grain losses occur

Answer 1

The loss of storage grains is mainly based on two factors. They are

Biotic factor

Abiotic factor:

Biotic factors like mites, rodents, bacteria, fungi and other microorganisms will destroy the stored grains under favorable conditions like temperature and moisture.

Abiotic factors:

Abiotic Factors like temperature, moisture and lack of sunlight are the main abiotic contributors for the loss of stored grains.