Graduates with advanced degrees will be in the best position to enter jobs as horticulturists. Bachelor ?s degree holders can work in some applied research and product development positions, but usually only in certain subfields. Those preparing as crop or soil scientists take courses in plant pathology, soil chemistry,entomology, plant physiology, and biochemistry, among others. Advanced degree programs include classroom and fieldwork, laboratory research, and a thesis or dissertation based on independent research. Horticulturists …showed first 75 words of 403 total…

…showed last 75 words of 403 total…die of thirst and famine; large land areas often suffer damage from dust storms or fire. Although drought cannot be reliably predicted, certain precautions can be taken in drought-risk areas. These include construction of reservoirs to hold emergency water supplies, education to avoid overcropping and overgrazing, and programs to limit settlement in drought-prone areas. Scientists are studying desalination, weather modification, and occult precipitation, and say that they can dramatically easy the affects of a drought.