Tim Hearden Panel collaborates with UC on projects to improve nut quality, fertilizer efficiency. Suggested Event Aug 31, 2021 to Sep 02, 2021 The California Walnut Board’s is touting a production research program that relies on short- and long-term solutions for today’s orchard and industry challenges. Ongoing research funded by the board includes a project with the University of California, Davis to improve both field performance and nut and kernel quality, the organization notes. One of the most recent advances in the walnut industry was the development of the new UC Wolfskill variety, which enables growers to harvest earlier and boost their harvest efficiency, a board spokeswoman said.