en_tn_lite_do_not_use/jer/31/28.md

I kept them under surveillance in order to uproot them

"looked for ways to uproot them"

uproot ... tear them down ... overthrow ... destroy

See how you translated these ideas in Jeremiah 1:9.

in order to build them up and to plant them

Yahweh speaks of the Israelites as if they were a house or a food crop. Alternate translation: "in order to make them strong and many" (See: rc://en/ta/man/translate/figs-metaphor)