Modeling nutrient flows in the food chain of China.

@article{Ma2010ModelingNF,
  title={Modeling nutrient flows in the food chain of China.},
  author={Lai Ma and Wen Qi Ma and Gerard L Velthof and Fu Hong Wang and Wang Qin and Fusuo S. Zhang and Oene Oenema},
  journal={Journal of environmental quality},
  year={2010},
  volume={39 4},
  pages={
          1279-89
        }
}
Increasing nitrogen (N) and phosphorus (P) inputs have greatly contributed to the increasing food production in China during the last decades, but have also increased N and P losses to the environment. The pathways and magnitude of these losses are not well quantified. Here, we report on N and P use efficiencies and losses at a national scale in 2005, using the model NUFER (NUtrient flows in Food chains, Environment and Resources use). Total amount of "new" N imported to the food chain was 48.8… CONTINUE READING

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