Soil organic matter protects US maize yields and lowers crop insurance payouts under drought

Higher levels of soil organic matter improve soil water retention, meaning they could mitigate agricultural yield losses from drought. Yet evidence to support such claims is mixed and incomplete. Using data from 12 376 county-years in the United States of America, we show that counties with higher s...

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Bibliographic Details
Main Authors: Daniel A Kane, Mark A Bradford, Emma Fuller, Emily E Oldfield, Stephen A Wood
Format: Article
Language:English
Published: IOP Publishing 2021-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/abe492