Nitrogen management in organic strawberries: challenges and approaches

This webinar was presented on December 16, 2015. Watch it on YouTube at

Handout of the slides: Download

About the Webinar

Nitrogen management is one of many challenges that organic strawberry growers face. In this webinar, we will address the challenges of nitrogen management in strawberries, pattern of nitrogen uptake over plant growth cycle and synchronizing N supply, pre-plant amendments and leaching losses, and issues with fertigation efficiency.

About the Presenters

Joji Muramoto is an Associate Researcher in the Department of Environmental Studies, University of California, Santa Cruz. He is a soil scientist/agroecologist specializing in fertility and soilborne disease management in organic strawberries and vegetables in central coastal California.

Mark Gaskell is a Farm Advisor with the University of California Cooperative Extension. Mark joined UC in 1995 and since that time he has been responsible for research and educational outreach programs for Small Farms and Specialty Crops in San Luis Obispo and Santa Barbara counties of California.

Carol Shennan is an agroecologist in the Department of Environmental Studies. She has been working on management of organic cropping systems for many years, with an emphasis on cover crops, nutrient management and soilborne disease management; and is the Project Director of CalCORE - the California Collaborative Organic Research and Extension network - a consortium of researchers, farmers, extension and other organizations dedicated to organic agriculture research.


Published November 3, 2015

This is an eOrganic article and was reviewed for compliance with National Organic Program regulations by members of the eOrganic community. Always check with your organic certification agency before adopting new practices or using new materials. For more information, refer to eOrganic's articles on organic certification.