@article{Swader:181909,
      recid = {181909},
      author = {Swader, F.N. and Geohring, L.D.},
      title = {Drainage Research Miner Institute-1980, Soil and Crop  Responses},
      address = {1981},
      number = {640-2016-42584},
      series = {Research Bulletin},
      pages = {45},
      year = {1981},
      url = {http://ageconsearch.umn.edu/record/181909},
      doi = {https://doi.org/10.22004/ag.econ.181909},
}