Essay must discuss the following issues:
1. What is common components in Oklahoma’s soil?
2. Present the current state of fertilizer pollution in Oklahoma to water source, especially nitrate.
3. Nitrate poisoning affects human health.
4. Local action for solution.
5. Other actions to reduce nitrate concentration in water
6. MUST DISCUSS RELATED TOPIC TO SUSTAINABILITY.
Must use all provided sources.
Comments in first draft need to rewrite or explain more.
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