@article{966,
  author = {Ellen Maas and Sotirios Archontoulis and Matthew Helmers and Javed Iqbal and Carl Pederson and Hanna Poffenbarger and Kristina TeBockhorst and Michael Castellano},
  title = {Subsurface drainage reduces the amount and interannual variability of optimum nitrogen fertilizer input to maize cropping systems in southeast Iowa, USA},
  year = {2022},
  journal = {Field Crops Research},
  volume = {288},
  chapter = {108663},
  pages = {1},
  month = {11},
  issn = {0378-4290},
  url = {https://par.nsf.gov/biblio/10374123},
  doi = {10.1016/j.fcr.2022.108663},
}