Plant cover and density and sagebrush growth in Idaho roadsides treated with herbicides and bioherbicides

Proliferation of cheatgrass and other exotic annual grasses such as medusahead and ventenata are a major environmental concern and operational problem for roadsides...旱雀麦（cheatgrass）以及美杜莎头草（medusahead）、文塔纳草（ventenata）等外来一年生草本的大规模扩散，已成为道路沿线区域亟待解决的重大环境问题与实操运营难题……