Title: Chemical suppression of a perennial ryegrass (Lolium perenne) living mulch and influence of ground cover management on growth of 'Chardonnay' wine grapes (Vitis vinifera) and Douglas fir Christmas trees (Pseudotsuga menziesii)
Subjects: Douglas fir, Effect of herbicides on Plants, Grapes, Lolium perenne, Mulching, Plants, Effect of herbicides on