List innovations in farming methods in the 1830s.

Here are the innovations in farming methods that created in 1830s : 
- steel-tipped plow used to break out the soils without the tools having to be stuck in the ground
- Mechanical reaper, to cut out grass more efficiently
- Thresher, which is created to speed up grain's harvesting process

They mowt likely lived in caves or maybe rock houses,i know they are similar but its all i know