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Unformatted text preview: oven dry soil mass/soil volume (p. 63) Denitrification: 2NO 3- 2NO 2- 2NO N 2 O N 2 (p.71) Revised Soil Loss Equation: A= RKLSCP (p. 79) Wind erosion equation: E= f(ICKLV) (p. 81) Read the article Water for the People. Answer the following questions before class to prepare for discussion. 6. What was the mean annual rainfall for Mannar in inches (1 mm=0.039 in)? What percent of rainfall is lost to the sea? 900 mm= about 35 inches 40-60% 7. What percent of people in the southern province get water from sources that are considered unsafe? 45% O A E C B R Discuss with your group in class and record the responses : 8. What were your thoughts as you read this article? 9. The article mentions that reduced runoff and promoting infiltration of water can increase the water availability. What are some ways to do this (think about some of the concepts covered in class for agriculture)?...
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- Fall '08