An agricultural practice in which only crops of one specific type are grown in a defined area (such can be a field or larger area). This is usually accomplished by using herbicides to kill all other plants (such as weeds or indigenous plants) leaving...

The agricultural practice of planting only one or two crops over large areas. In the United States, corn and soybean are the only crops grown on most farms in the central Midwest, while on the Great Plains wheat is almost exclusively grown. Although it...

Monoculture is the practice of producing or growing one single crop over a wide area. The term is also applied in several...

Coastal state forests are experiencing a resurgence in Swiss needle cast disease, a fungus that kills the evergreen needles on Douglas fir trees by interrupting the process of photosynthesis.Aerial surveys conducted by the Oregon Department of Forestry show 338,543 acres infected by the disease _...

The beginning of President Bush's five-nation Latin American tour sparked protests across the region, with thousands of demonstrators and police clashing in Brazil and students in Colombia lobbing explosives at authorities.More than 6,000 students, environmentalists and left-leaning Brazilians held a largely peaceful march through the...

Robert Elmes spent the month of August in Berlin. He borrowed a spare bike from a friend, one of those antique-looking, function-over-form contraptions that many Berliners ride, so he could cruise the bezirken, the boroughs. Mr. Elmes owns Galapagos, the long-standing performance-art space in Williamsburg,...

Robert Elmes spent the month of August in Berlin. He borrowed a spare bike from a friend, one of those antique-looking, function-over-form contraptions that many Berliners ride, so he could cruise the bezirken, the boroughs. Mr. Elmes owns Galapagos, the long-standing performance-art space in...

Essay examines the differences between monoculture and polyculture.