California Fertilization Guidelines

UC Davis
A collaboration between CDFA, FREP and UC Davis

Acknowledgments

The fertilization guidelines on this site have been redesigned to be compliant with AB434. The guidelines in the traditional design with the latest updates can be found on the UC Davis Nutrient Management website .

Funding provided by

Fertilizer Research and Education Program (FREP)

Guidelines and Webpage Design

  • Daniel Geisseler, Ph.D.; UCCE Specialist in Nutrient Management; Department of Land, Air and Water Resources, University of California, Davis

Reviewers

  • Richard Smith, Farm Advisor; University of California Cooperative Extension Monterey County
  • William R. Horwath, Ph.D.; Professor of Soil Biogeochemistry and James G. Boswell Endowed Chair in Soil Science; Department of Land, Air and Water Resources, University of California, Davis

Support

  • Amadou Ba, Ph.D.; Branch Chief Feed, Fertilizer, and Livestock Drugs Regulatory Services, California Department of Food and Agriculture
  • Amrith Gunasekara, Ph.D.; Science Advisor to the Secretary; California Department of Food and Agriculture

Last Update: September, 2015