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Food security

Maximizing Earth’s feeding capacity

Better use of nitrogen fertilizers is key to tackling the challenge of feeding a growing world population without impairing planetary sustainability. Advanced nitrogen management and dietary changes could substantially increase Earth’s feeding capacity.

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Fig. 1: Nitrogen management in Northeast China.

Xianlong Peng


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This work was financially supported by the National Natural Science Foundation of China (grant numbers U19A2050, 42061124001, 42177313 and 41961124004).

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Correspondence to Longlong Xia or Xiaoyuan Yan.

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The authors declare no competing interests.

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Xia, L., Yan, X. Maximizing Earth’s feeding capacity. Nat Food 4, 353–354 (2023).

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