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Grant Johnson

Assistant CE Urban Agriculture Technology Area Advisor
South Coast Research & Extension Center
7601 Irvine Boulevard
Irvine, CA 92618
gejohnson@ucanr.edu Create VCard

Also in:
Orange County - UC Cooperative Extension
Los Angeles County


M.S. Horticulture and Agronomy, University of California Davis. 2023
B.S. Biological Sciences, California Polytechnic State University San Luis Obispo. 2013

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Pitton, B. J. L.; Wikramanayake, A. M., et al. (2023). Mechanically-Incorporated Controlled-Release Fertilizer Results in Greater Nitrogen and Salt Leaching Losses from Soilless Substrate in Containers. Horticulturae. 9:42.
  • Redekar, N., T. Bourret, J. Eberhart, G.E Johnson, B.J.L. Pitton, D.L. Haver, L.R. Oki, J. Parke. The population of oomycetes in a recycled irrigation water system at a horticultural nursery in southern California. Water Research, 2020, 183, 1–10.

  • Pitton, B.J.L., G.E. Johnson, D.L. Haver, L.R. Oki. Water use and estimated evapotranspiration at a California container plant nursery. Full text article for International Symposium on Irrigation of Horticultural Crops. Acta Horticulturae, 1335, 82

  • Pitton, B. J.L., L.R. Oki, D.L. Haver, G.E. Johnson. The payoff of recycling nursery water. American Nurseryman, 2017, 21-23

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