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Climate change increases stressors that will challenge the resiliency of global agricultural production. Just three crops, wheat, maize, and rice, are estimated to sustain 50% of the caloric demand of the world population, meaning that significant loss of any of these crops would threaten global food security. However, increasing cropping system diversity can create a more resilient food system.

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Stabilization of organic carbon in top- and subsoil by biochar application into calcareous farmland.

Sci Total Environ

January 2024

College of Land Science and Technology, China Agricultural University, Key Laboratory of Arable Land Conservation (North China), Ministry of Agriculture, Beijing 100193, China. Electronic address:

Article Synopsis
  • * It also boosts the presence of humic substances and microbial biomass carbon in the topsoil, although there's a slight decrease in microbial biomass carbon in the subsoil.
  • * Key findings suggest that biochar application stabilizes SOC by promoting mineral-associated soil organic matter (MAOM) formation, which is crucial for long-term carbon sequestration in calcareous farmland.
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