Changes

![[Iron filings (ZVI)]]

![[Iron filings (ZVI)]]

|Proven phosphorus retention||May harm plants<ref>Logsdon SD, Sauer PA. Iron Filings Cement Engineered Soil Mix. Agron J. 2016;108(4):1753. doi:10.2134/agronj2015.0427.</ref>

|Proven phosphorus retention||May harm plants<ref>Logsdon SD, Sauer PA. Iron Filings Cement Engineered Soil Mix. Agron J. 2016;108(4):1753. doi:10.2134/agronj2015.0427.</ref>

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![[Red sand]]

![[Red sand]]

|Proven phosphorus retention||?

|Proven phosphorus retention||?

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![[Sorptive media]]^TM

![[Sorptive media]]^TM

|Waste product reuse||Quality control

|Waste product reuse||Quality control

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[[category: materials]]

[[category: materials]]