Project ID

2002-U19

Abstract

The project measures and analyzes the varying effects different grazing systems have on the nutrients that appear in surface runoff.

Key Question

Can sediment and phosphorus pollution of pasture streams be controlled by grazing management?

Findings

The results of the project demonstrated that sediment and phosphorus loading from upland areas of pastures may be controlled by using grazing management practices that maintained forage height at 4 inches or greater. Similarly, maintaining adequate forage along pasture streams limited sediment and phosphorus loading from stream bank erosion. However, the confounding of stocking management practices with stocking rate and climatic variables make it difficult to define which management practices are most beneficial.

Principal Investigator(s)

Jim Russell

Co-Investigator(s)

Agroecology and Grazing Issue Teams of the Leopold Center for Sustainable Agriculture

Year of Grant Completion

2006

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