switchgrass - определение. Что такое switchgrass
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Что (кто) такое switchgrass - определение

SPECIES OF PLANT
Tall panic grass; Switch grass; Thatchgrass; Lowland switchgrass; Switch Grass; Switchgrass
  • right
  • ''Panicum virgatum'' 'Heavy Metal', an ornamental switchgrass, in early summer

switchgrass         
¦ noun a tall North American panic grass. [Panicum virgatum.]

Википедия

Panicum virgatum

Panicum virgatum, commonly known as switchgrass, is a perennial warm season bunchgrass native to North America, where it occurs naturally from 55°N latitude in Canada southwards into the United States and Mexico. Switchgrass is one of the dominant species of the central North American tallgrass prairie and can be found in remnant prairies, in native grass pastures, and naturalized along roadsides. It is used primarily for soil conservation, forage production, game cover, as an ornamental grass, in phytoremediation projects, fiber, electricity, heat production, for biosequestration of atmospheric carbon dioxide, and more recently as a biomass crop for ethanol and butanol.

Other common names for switchgrass include tall panic grass, Wobsqua grass, blackbent, tall prairiegrass, wild redtop, thatchgrass, and Virginia switchgrass.

Примеры употребления для switchgrass
1. Two hundred years ago, he says, this was prairie covered with six–foot–high switchgrass.
2. And President Bush is again talking, for two days in a row, about converting switchgrass and wood chips into ethanol.
3. The two–day biofuels conference has focused on developing alternative transportation fuels by using agricultural products native to the state, such as Oklahoma switchgrass.
4. And at least 21 billion gallons will have to be ethanol from feedstock other than corn such as prairie grasses, switchgrass and wood chips.
5. The two–day biofuels conference focused on developing alternative transportation fuels by using agricultural products native to the US state, such as Oklahoma switchgrass.