Achieving Land Degradation Neutrality to Combat the Impacts of Climate Change

Rao, M. Chandra Surya; Udayana, Shiva Kumar; Swami, Dokka Venkata

doi:10.1007/978-981-19-9159-2_5

Cited by 5 publications

(1 citation statement)

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“…Whereas precise estimates vary, there is near universal consensus that global food production and sustainable soil management practices will need to increase substantially in the coming decades to meet the demands of a growing population [1]. These production gains must occur against the backdrop of climate change; and given the importance of climate to soil formation processes [2], climate change is likely to cause significant disruptions to global agricultural production [3]. Incidences of extreme temperatures and heatwaves are expected to increase significantly [4,5], likely straining rain-fed cropping systems.…”

Section: The Challenges Facing Soil and Water Resource Managementmentioning

confidence: 99%

Challenges and Opportunities for Cover Crop Mediated Soil Water Use Efficiency Enhancements in Temperate Rain-Fed Cropping Systems: A Review

Moore

2023

Land

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Soils are at the nexus of the atmospheric, geological, and hydrologic cycles, providing invaluable ecosystem services associated with water provision. The immeasurably vital role of water provision is of urgent concern given the intertwined and interdependent challenges of growing human populations, increased agricultural demands, climate change, and freshwater scarcity. Adapting temperate rain-fed cropping systems to meet the challenges of the 21st century will require considerable advancements in our understanding of the interdependent biophysical processes governing carbon and soil-water dynamics. Soil carbon and water are inextricably linked, and agricultural management practices must take this complexity into account if crop productivity is to be maintained and improved. Given the widespread, intensive use of agricultural soils worldwide, it stands to reason that readily adaptable crop management practices can and must play a central role in both soil carbon and water management. This review details challenges and opportunities for utilizing cover crop management to enhance soil carbon stocks and soil water use efficiency in rain-fed cropping systems. A review of the current body of knowledge shows that cover crops can play a more prominent role in soil carbon and water management; however, the more widespread use of cover crops may be hindered by the inconsistencies of experimental data demonstrating cover crop effects on soil water retention, as well as cover crop effect inconsistencies arising from complex interactions between soil carbon, water, and land management. Although these gaps in our collective knowledge are not insignificant, they do present substantial opportunities for further research at both mechanistic and landscape-system scales.

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