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What is
Cation Exchange Capacity
and how can it
influence groundwater quality
?
Sum of exchangeable cations that a soil can adsorb
Higher CEC soils can absorb potentially more contaminants such as NH4
3 primary Macro nutrients
1) Potassium
2) Phosphorus
3) Nitrogen
Four reasons for farm land loss
1.)
Desertification
2.) Salinization
3.) Erosion
4.) Urban development
Globably people who are undernourished
840,000,000
Two factors that increase food demand
Increased population
Higher meat consumption
Author:
Anonymous
ID:
45017
Card Set:
Water
Updated:
2010-10-26 05:34:24
Tags:
water pollution
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