WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Sunday, July 22, 2018

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Search results on 07/22/18

4220. McCool, D.K.. 1990. Effects of grass sod on runoff and erosion.. unpublished paper, USDA-ARS, Pullman, WA 99164-6421.
Runoff and soil loss plots were established at several sites in eastern WA to examine the effect of grass sod at various stages of management. Runoff and soil loss were high on a new grass seeding. Burned grass fields had high runoff but low soil loss. The first wheat crop after grass had high runoff and soil loss due to intense tillage. Winter wheat on land with no grass history had larger runoff and soil loss than when seeded the 3rd year after plowout. Use of no-till seeding can reduce erosion during the hazard years of a grass system. Runoff was lowest in the wheat in the 3rd year after grass.

7464. Weaver, J.E. and W.C. Noll. 1935. Comparison of runoff and erosion in prairie, pasture, and cultivated land.. Conservation Dept. Bull. 11, Univ. Nebraska, Lincoln, NE.
Relative runoff from 27" rainfall over 15 months on plots with 10% slope: prairie 2.5%; overgrazed pasture 9.1%; bare soil 15.1%. Water penetration was nearly four times as great in prairie as in pasture. Even with runoff, no measurable erosion occurred on any of the grassed plots.

9809. Weaver, J.E. and G.W. Harmon. 1935. Living materials in prairie soils in relation to run-off and soil erosion.. Univ. Nebraska Bull. 8:1-53, Conservation Dept..
describes root mass contributions by various grass and cultivated crops.

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