09/17/2026
https://californiaagnet.com/2026/09/17/post-harvest-pistachio-irrigation/ Pistachio harvest ended early this year, but irrigation season isn’t over yet. A longer post-harvest period means trees will continue using water before dormancy.
UC Cooperative Extension research suggests carefully timed deficit irrigation may reduce water use by about 20% with little to no effect on next year’s harvest.
Read more in the September issue of Pacific Nut Producer Magazine.
Learn how post-harvest pistachio irrigation and carefully timed deficit irrigation can conserve water while supporting next year’s crop.