Cropping system treatments represented in each block were continuous no-till corn (Zea mays L.), switchgrass (Panicum virgatum L.), miscanthus (Miscanthus x giganteus Greef & Deuter ex Hodkinson & Renvoize), hybrid poplar (Populus nigra x P. maximowiczii A. Henry ‘NM6’) on a 6-year coppicing rotation, and a restored prairie, which is a mixture of 18 native prairie species (full crop and management details are given in Table S1). Prior to establishment of the experiment in May 2008, 2 of the blocks