No grasses for picking around in, too much competition from remote-control sloops and tugboats.
Clover and various grasses, for example, are effective in removing petroleum from soil.
The young ecologist blamed an invasion by several foreign grasses for this decline.
Then, by out-competing grasses for water, nutrients, and light, trees could dominate the landscape.
By outcompeting grasses for water, nutrients, and light, trees begin to take over the landscape.
Many birds depend upon rushes and grasses for their nesting materials and for cover.
Phytoremediation (phyto) strategies employ trees, shrubs, and/or grasses for treating contaminated air, soil, or water.
While fire helps enhance crops and grasses for pasture, it also produces smoke that degrades air quality.
This is an excellent system for all concerned: for the grasses, for the animals and for us.
Part of Huishan's quality control efforts involves importing dairy cows, as well as certain grasses for their feed.
Taller grasses, for example, give exotics more light-capturing ability and the ability to outcompete natives for light.
