After harvesting, the grains have to be stored for a long period. For the storage of grains use the leaves of tamarind. 20 Kg of grains are mixed with 100 gm of tamarind leaves. This keeps the grains in good condition for a year.
Formulation: 20 kgs of grains with 100 g of tamarind leaves.
Ingredients: tamarind leaves
"Indigenous grain structures and methods of storage”
http://nopr.niscair.res.in/handle/123456789/6811
Farmers use traditional storage containers for storing food grains for their own need.”
https://www.sciencedirect.com/science/article/pii/S0570178319300375
Dodi leaves for grain storage”
https://honeybee.org/honeybee_detailed.php?ID=9315&page=6&search_case=grain%20storage
Dried leaves of neem and dried pepper stallk (after extracting pepper) are mixed with rice and other grains to repel storage pests”
https://honeybee.org/honeybee_detailed.php?ID=5755&page=2&search_case=grain%20storage