Litter H1-H2: 4 weeks Litter H1-H2_2021-06-525006 Litter H1-H2_2021-06-519005 Litter H1-H2_2021-06-512004 Litter H1-H2_2021-06-508003 Litter H1-H2_2021-06-504002 Litter H1-H2_2021-06-503001