The nitrogen balance of vegetable crops irrigated with untreated effluent

@article{ESchalscha2005TheNB,
  title={The nitrogen balance of vegetable crops irrigated with untreated effluent},
  author={B. E.Schalscha and F. I.Vergara},
  journal={Plant and Soil},
  year={2005},
  volume={67},
  pages={221-226}
}
In the agricultural areas near Santiago, Chile,ca. 780 kg N ha−1 yr−1 are added to vegetable cropsvia irrigation with untreated sewage effluent draining from the metropolitan area. Nitrate levels in surface wells in the area, from which drinking water is derived, often exceed established limits for human consumption. Of the 779 kg N ha−1 added to crops in… CONTINUE READING