Can you have a pair of holding dams for the water and throw in bags of lime to precipitate the Fe? When one silted up it could be scraped out. What is the soil pH and how strongly is it buffered?
1. Aeration: Aerating water or soil can help to reduce iron toxicity by oxidizing the iron, which causes it to precipitate out of water and soil. Aeration can be accomplished by using a pump or aerator.
2. Leaching: Leaching is an effective way to remove iron from soil. Leaching involves applying water to the soil, which carries the iron away. This method is typically used with soils that have a high iron content.
3. Adjusting pH: Adjusting the pH of water or soil can also help to reduce iron toxicity. Iron is more soluble in acidic environments, so adjusting the pH to a more neutral level can reduce iron solubility.
4. Liming: Liming is a method of adding calcium carbonate or other similar material to water or soil. Liming helps to reduce iron toxicity by binding the iron, which causes it to precipitate out of the water or soil.
5. Filtering: Filtering is another cost-effective and cultural method of remediating iron toxicity. This method involves passing water or soil through a filter that captures the iron particles. This method is typically used when dealing with large amounts of iron.