UCCE Virtual Workshop Series on Nitrogen Management in Organic Production

Growers of organic vegetables and strawberries across California are invited to attend an online training to learn how to manage nitrogen fertilization. UC Cooperative Extension is offering the three-part Nitrogen Planning and Management in Organic Production of Annual Crops Workshop on Nov. 29, Dec. 5 and Dec. 12.

Growers, certified crop advisers, pest control advisers and other agricultural professionals who are interested in learning about nitrogen management in organically farmed crops are encouraged to enroll.

The workshop is also available in Spanish.

Tuesday, Nov. 29, 1-3 p.m. – Part 1: Understanding nitrogen: the nutrient, the role of microbes and the relevance of soil organic matter. Daniel Geisseler, UC Cooperative Extension specialist in nutrient management at UC Davis; Radomir Schmidt, program manager for the Working Lands Innovation Center at the UC Davis Institute of the Environment; and Margaret Lloyd, UCCE small farms advisor will give an overview of the sources, transformations and fates of nitrogen in soil. They also will discuss the role and dynamics of microbes in nitrogen management, and how nitrogen fixation impacts management decisions.

Monday, Dec. 5, 1-3 p.m. – Part 2: Estimating nitrogen release from organic amendments and contributions from cover crops. Patricia Lazicki, a postdoctoral research associate at the University of Tennessee, Knoxville, and Lloyd will discuss estimating nitrogen release from compost, organic fertilizers, cover crops and crop residue and irrigation water.

Monday Dec. 12, 1-3 p.m. – Part 3: Putting it all together: Completing a nitrogen budget, synchronizing nitrogen release with nitrogen demand, and using soil tests. Joji Muramoto, UC Cooperative Extension organic production specialist; Richard Smith, UC Cooperative Extension vegetable crops advisor; and Lloyd will address nuances of organic soil fertility management in vegetables. Discussions will include crop nitrogen demand and strategies to supply demand, as well as using and interpreting soil testing. Specific references will be made to strategies for complying with forthcoming regulations. The session will conclude with a discussion on new frontiers in organic nitrogen management.

Registration for the virtual event is $25 and includes all three classes. A single registration can be shared by members of the same farm. Space is limited to 75 participants. To register, visit https://ucanr.edu/organiccrops22.

Participants may earn six hours of CDFA-INMTP continuing education credits (formerly CURES CE Credits) or six hours of CCA credits.

For more information, contact Margaret Lloyd at (530) 564-8642 or mglloyd@ucanr.edu.

UC Agriculture and Natural Resources brings the power of UC to all 58 California counties. Through research and Cooperative Extension in agriculture, natural resources, nutrition, economic and youth development, our mission is to improve the lives of all Californians. Learn more at ucanr.edu and support our work at donate.ucanr.edu.

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