Accumulation of Nitrates in Leafy Vegetables Grown Under Contrasting Agricultural Systems

@inproceedings{Vogtmann1984AccumulationON,
  title={Accumulation of Nitrates in Leafy Vegetables Grown Under Contrasting Agricultural Systems},
  author={Hartmut Vogtmann and A. T. Temperli and U. Kunsch and Marc Eichenberger and P. Ott},
  year={1984}
}
ABSTRACT In the framework of the problem of nitrates in food and water, experiments with leafy vegetables are described and the results are presented. In pot and field trials with spinach, Swiss chard, head lettuce and corn salad it was found that fertilizing with composted farmyard manure—a slow release N-source—led to significantly lower nitrate concentrations in these vegetables compared to an N-equivalent NPK-application. These results were supported by similar findings for head lettuce… CONTINUE READING
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