Definition of plow up in US English:

plow up

phrasal verb

  • 1Till (soil) completely or thoroughly.

    • ‘He sees his father plow up the prairie, watches his parents' dreams of agricultural riches pulverized along with the dirt.’
    • ‘When we plow up more land than can be farmed, grade and disrupt natural landscapes, we provide fertile ground for non-native tumbleweeds and exotic invasive plants.’
    • ‘Papa would borrow a tiller from a friend and plow up the patch making room for two rows of twelve plants each.’
    1. 1.1 Uncover by plowing.