They help with the weapons
Learning and the arts florist supported by the thriving Gupta economy - Gupta artisans produced goods sold locally and as far away as the middle east and southeast Asia
Rotation.
Crop rotation is when a farmer changes the crops grown in the same field each year to ensure he gets the best harvest possible by not exhausting the soil of specific nutrients by repeatedly growing the same thing.
i think it was to farm I dont think thats it though.