... had no increase in average erosion rates in most areas with extensive cropland. Some of the improvement found was the result of crops being rotated and better tiling methods. Brown (et al 1998) investigated the effects of combining whey and straw in croplands. This research found that straw or whey alone reduces soil loss by 60-85 percent. When ... in agriculture such as cover crops and livestock farming. This requires a larger area than the normal agricultural holding, which must be chosen carefully. The Department of Agriculture (Elliott et al. 1987) certifies organic production systems...

• Word Count: 2964
• Approx Pages: 12
• Grade Level: High School

... 1960's. Well accepted existing theories provided by sociobiologists on sexuality, are now being criticised by sociological theorists who argue such "biologically based theories are flawed with essentialism"(Abercrombie et al. 2000: 122). A marked debate has arisen over the past fifty years over which factors should be considered responsible as influences determining ones sexuality. With the sociological ... as being flawed by essentialism. This term, essentialism, refers to the way theorists, such as sociobiologists have reduced the complexity of sexuality right down to a single essence (...

• Word Count: 3037
• Approx Pages: 12
• Grade Level: Undergraduate