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Dr. Jim Walworth

Extension Soil Fertility Specialist

The University of Arizona

walworth@cals.arizona.edu

State: AZ

(w) 5206263364

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US Department of Agriculture

This work is supported by the Sustainable Agriculture Research and Education (SARE) program under a cooperative agreement with the University of Maryland, project award no. 2024-38640-42986, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and should not be construed to represent any official USDA or U.S. Government determination or policy.

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