The potential of South America as a terrestrial C sink by Low-Carbon Agriculture is 8.24 Pg C The C-offset by No-till through 2016 to 2050 period is limited to 24.3% The pay-back time by Low-Carbon Agriculture for historical C losses was 56 to 188 years Low-Carbon Agriculture adoption can increase 17.6 Mton year− 1 of food and 1.6 Mton year− 1 of meat