February 7, 2024 Cease AJ, Elser JJ, Ford CF, Hao S, Kang L, Harrison JF (2012) Heavy livestock grazing promotes locust outbreaks by lowering plant nitrogen content. Science 335, 467-469. https://doi.org/10.1126/science.1214433 Home » Cease AJ, Elser JJ, Ford CF, Hao S, Kang L, Harrison JF (2012) Heavy livestock grazing promotes locust outbreaks by lowering plant nitrogen content. Science 335, 467-469. https://doi.org/10.1126/science.1214433