@article{Wallander:309562,
      recid = {309562},
      author = {Wallander, Steven and Smith, David and Bowman, Maria and  Claassen, Roger},
      title = {Cover Crop Trends, Programs, and Practices in the United  States},
      address = {2021-02-18},
      number = {1476-2021-709},
      series = {EIB-222},
      pages = {33},
      month = {Feb},
      year = {2021},
      abstract = {On U.S. cropland, the use of cover crops increased by 50  percent between 2012 and 2017. Over this same period,  Federal and State conservation programs have increased  efforts to promote cover crops through financial and  technical assistance. Based on a series of farm- and  field-level surveys, this report details how cover crops  are managed on corn, cotton, soybean, and wheat fields.},
      url = {http://ageconsearch.umn.edu/record/309562},
      doi = {https://doi.org/10.22004/ag.econ.309562},
}