India, April 6 -- The Government of India has issued a release:

A novel way to distinguish between pollen from cultivated crops and from wild grasses enables scientists to unlock the story of India's agricultural beginnings, particularly in the Central Ganga Plain.  It offers a powerful window into how human societies shaped the landscape over millennia.

India is the second-largest producer of wheat and rice, the world's major food staples. Establishing region-specific biometric thresholds for cereal and non-cereal grasses is essential for accurately identifying the cultivated and wild grass pollen, which could aid in reconstructing past human habitation and agricultural practices in India.

Most cereal crops such as wheat, rice, bar...