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  • Researchers flooded two Thompson seedless grape vineyards at UC ANR's Kearney Research and Extension Center in Parlier. Photo by Elad Levintal
    Study offers insights on reducing nitrate contamination from groundwater recharge

    Mar 22, 2023

    • Agriculture
    • Environment
    • Natural Resources
  • After six weeks of pulsed flooding for groundwater recharge, the alfalfa did not show a significant decline in yield. Photo by Helen Dahlke
    California groundwater could get recharging help from alfalfa farms

    Dec 6, 2021

    • Agriculture
    • Natural Resources
  • Consumnes River water floods a vineyard in order to recharge groundwater in an experiment conducted by the Dahlke Lab at UC Davis. (Photo: Helen Dahlke)
    Targeted wintertime flooding on ag fields could improve the water supply for rural Californians

    May 17, 2021

    • Agriculture
  • Surendra Dara, UC Cooperative Extension advisor, explores innovative options to control pests using microbials as biological controls.
    ANR in the news March 1-11

    Mar 13, 2019

  • Integrated hydrologic science professor Helen Dahlke in an almond orchard being flooded for groundwater recharge.
    Flooding alfalfa fields has high potential for groundwater recharge

    Jan 19, 2018

    • Agriculture
    • Natural Resources
  • $1.6M from NSF to Study Water, Land Use in Disadvantaged Communities

    Sep 14, 2017

  • From left, UC Davis plant sciences professor Ken Shackel speaks with research project partners UC Davis professor Helen Dahlke (in the purple jacket) and Roger Duncan, UC ANR Cooperative Extension advisor, at the flooding site.
    Researchers study farm field flooding for aquifer recharge

    Jan 21, 2016

  • UC researchers Helen Dahlke, left, and Toby O'Geen. (Photo: Diane Nelson)
    Groundwater banking captures the media's imagination

    Dec 9, 2015

  • Fallow fields could be used as percolation basins for groundwater recharge.
    Replenishing California groundwater may be done by flooding farm fields in rainy years

    Jul 21, 2015

  • During the drought, California is pumping from wells. UC scientists make recommendations to manage groundwater.
    California's groundwater use during drought threatens future supply

    Jul 16, 2014

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