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Reducing Anion Nutrient Leaching Losses from a Short-Cycle Container-Grown Crop ( Tagetes patula ) Using Activated Aluminum

Author

Listed:
  • Damon E. Abdi

    (Hammond Research Station, Louisiana State University Agricultural Center, 21549 Old Covington Highway, Hammond, LA 70403, USA)

  • Jennifer Blanchard

    (School of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, 226 J.C. Miller Hall, Baton Rouge, LA 70803, USA)

  • Jeb S. Fields

    (Hammond Research Station, Louisiana State University Agricultural Center, 21549 Old Covington Highway, Hammond, LA 70403, USA)

  • Leticia Santos

    (School of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, 226 J.C. Miller Hall, Baton Rouge, LA 70803, USA)

  • Lily Beasley

    (Independent Researcher, 600 West Arlington Blvd., Greenville, NC 27834, USA)

  • Jeffrey Beasley

    (School of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, 226 J.C. Miller Hall, Baton Rouge, LA 70803, USA)

Abstract

Short-cycle horticulture crops often rely on fertigation to provide immediately available nutrients. This practice poses an environmental threat when nutrients, particularly phosphorus, leach from containers and enter waterways. One method that could be used to reduce the loss of phosphorus and other key anions from horticultural crops is incorporating activated aluminum into container substrates. This study investigates the incorporation of three rates of activated aluminum into a pine bark substrate, and the effects this amendment may have on the container leachate nutrient content and the growth of a popular short-cycle crop ( Tagetes patula , French marigold). The addition of activated aluminum reduced the cumulative mass of phosphorus in container leachate by 69–96% compared to a standard pine bark substrate. The growth index and subjective plant quality scores of Tagetes were equivalent between the activated aluminum-amended substrates and pine bark only substrates, in all cases, producing a salable, quality crop. This study demonstrates that incorporating activated aluminum into container substrates is an effective way to reduce phosphorus loss to the environment without sacrificing crop quality.

Suggested Citation

  • Damon E. Abdi & Jennifer Blanchard & Jeb S. Fields & Leticia Santos & Lily Beasley & Jeffrey Beasley, 2023. "Reducing Anion Nutrient Leaching Losses from a Short-Cycle Container-Grown Crop ( Tagetes patula ) Using Activated Aluminum," Agriculture, MDPI, vol. 13(5), pages 1-13, May.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:5:p:1028-:d:1142339
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    References listed on IDEAS

    as
    1. Christopher Jorelle Gillespie & João Arthur Antonangelo & Hailin Zhang, 2021. "The Response of Soil pH and Exchangeable Al to Alum and Lime Amendments," Agriculture, MDPI, vol. 11(6), pages 1-13, June.
    2. Nina Ricci Nicomel & Karen Leus & Karel Folens & Pascal Van Der Voort & Gijs Du Laing, 2015. "Technologies for Arsenic Removal from Water: Current Status and Future Perspectives," IJERPH, MDPI, vol. 13(1), pages 1-24, December.
    Full references (including those not matched with items on IDEAS)

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