Emergence of Bitterbrush Seedlings on Land Disturbed by Phosphate Mining

Abstract

A factorial experiment was designed to evaluate the effects of planting depth, number of seeds per seed spot, and the addition of fungicide and/or vermiculite on the emergence of bitterbrush planted on land disturbed by phosphate mining. Optimum emergence occurred from the 1.3 cm (0.5 in) planting depth. Less emergence was noted from plots of 20 seeds per seed spot than from plots with 1, 5, or 10 seeds per seed spot. The data indicate seedling emergence was enhanced with the addition of fungicide and vermiculite.