manured

verb
  1. 1

    To cultivate by manual labor; to till; hence, to develop by culture.

  2. 2

    To apply manure (as fertilizer or soil improver).

    โ€œThe farmer manured his fallow field.โ€

Source: https://en.wiktionary.org/wiki/manure, https://en.wiktionary.org/wiki/manured