Water

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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