1. Extreme Environmental hazards in NorthKorea
... the former Soviet Union to help meet its food needs, while pursuing environmentally aggressive and unsustainable techniques to maximize the output of its land, only 20 percent of which is arable. Continuous cropping has led to soil depletion and the overuse of ammonium sulfate, as nitrogen ... fertilizer has contributed to acidification of the soil and a reduction in yields. The need to bring more and more marginal land into production has caused deforestation that in turn has increased the rapidity of runoff, soil erosion, and riverbed silting and, ultimately, has led ... transportat...
- Word Count: 2060
- Approx Pages: 8
- Has Bibliography
- Grade Level: Undergraduate