Did rice and cattle appear during the Qin Dynasty?

It was founded in 221 BC (3rd century BC) and perished in 207 BC.

And in ancient books such as <> <> , both have records of sowing "grains" during the Shennong era in the 27th century BC, and rice was listed as one of the five grains.

So there was rice in the Qin Dynasty.

The iron plow and ox farming came into being during the Spring and Autumn Period and the Warring States Period