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Northwest Irrigation and Soils Research Laboratory

NWISRL Research Page

Soil Management CRIS

  • Evaluation of dairy manure compost in a crop rotation. Westermann
  • Evaluation of PAM (polyacrylamide) to control soil erosion under surface irrigation. Sojka Lentz
  • Evaluation of PAM to control soil erosion under sprinkler irrigation. Bjorneberg
  • Defining soil erosion processes under irrigation. Bjorneberg
  • Evaluation of tillage/crop residue management cropping system under surface irrigation. Bjorneberg
  • Evaluation of N placement/irrigation management on crop yields and N utilization. Lehrsch
  • Development of nutritional management practices for potato production. Westermann
  • Development and evaluation of forages for prevention of grass tetany. Mayland
  • Evaluation of factors affecting animal preference and forage quality. Mayland
  • Evaluation of soil-plant-animal interactions on selenium bioavailability to plants and animals. Mayland


Water Quality and Environment CRIS

  • Evaluation of soil hydraulic properties affecting water and solute movement in root and vadose zone. Lehrsch
  • Evaluation of the movement of nitrate and other soluble salts in the vadose zone of silt loam soil. Wright
  • Evaluating the effect of PAM on water and solute movement below the root zone under furrow irrigation. Lentz
  • Evaluate the effect of PAM on the movement of weed seeds and microorganisms off of surface irrigated fields. Sojka Entry
  • Evaluate the effect of different filter strips to trap microorganisms and nutrients in surface runoff. Entry
  • Determine the relationship between selected soil P availability indices and the potential for P losses in irrigation and rainfall runoff. Westermann


Water Management CRIS:

  • Determine crop water use for irrigation management. Wright
  • Determine water losses from bare soil and grass surface during non-cropping portion of calendar year. Wright
  • Evaluate the factors affecting water losses from different sprinkler head designs. Kincaid
  • Evaluate different tillage systems to control/prevent surface runoff under sprinkler irrigation. Kincaid
  • Compare a precision (drip) with a sprinkler irrigation system on crop yields. Kincaid


More Research Projects:

Last update: December 07, 2006