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Cited by 13Turfgrass Adaptation and ManagementSoil Carbon and Nitrogen DynamicsPlant Micronutrient Interactions and Effects

Seasonal dynamics of soil micronutrients in compost-amended bermudagrass turf

Provin, Tony L., Wright, Alan L., Hons, Frank M., Zuberer, David A., White, Richard H.·2008·Bioresource Technology
DOI 10.1016/j.biortech.2007.03.066
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Abstract

Compost application to turfgrasses can increase plant-available nutrient concentrations in soil and improve growth, but may alter micronutrient dynamics and increase leaching and runoff losses. The objectives of this study were to investigate the influence of compost on the seasonal dynamics of plant-available Mn, Fe, Cu, and Zn in soil after a single application to bermudagrass [Cynodon dactylon (L.) Pers.] turf. Extractable Mn increased from 270 to 670 mg kg(-1) and Cu from 0.36 to 9.89 mg kg(-1) from 0 to 29 months. In contrast, extractable Fe and Zn decreased by 52% and 57% during the same time period. Seasonal trends in extractable Mn and Cu were closely related to dissolved organic C (DOC), and appeared influenced by bermudagrass growth and dormancy patterns and subsequent impacts on DOC. Losses of Mn and Cu from the soil surface occurred after high levels of precipitation during winter dormancy but not during the growing season, while Fe and Zn exhibited an opposite pattern. Thus, seasonal variation of soil micronutrients was likely related to seasonal patterns of bermudagrass growth and dormancy and their effects on DOC, and precipitation events which probably leached DOC and complexed nutrients from surface soil. Composts only influenced the magnitude of changes in micronutrient concentrations, as similar seasonal trends occurred for both compost-amended and unamended soils.

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  • It cannot be ruled out that the biochar delivered more micro-nutrients, but considering that urine and compost both contain all essential micro-nutrients, it is unlikely that the extra micro-nutrients delivered by the biochar would explain the high increase in pumpkin yield compared with the urine-only treatment.

    “It cannot be ruled out that the biochar delivered more micro-nutrients, but considering that urine and compost both contain all essential micro-nutrients [68], it is unlikely that the extra micro-nutrients delivered by the biochar would explain the high increase in pumpkin yield compared with the urine-only treatment.”

    From Fourfold increase in pumpkin yield in response to low-dosage root zone application of urine-enhanced biochar to a fertile tropical soil (2015) · cites this paper as [68]

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Authors
Provin, T. L., Wright, A. L., Hons, F. M., Zuberer, D. A., & White, R. H.
Affiliations
  • Texas A&M University (US)
  • University of Florida (US)
Corresponding author
Wright, Alan L.
ORCID
Provin, Tony L.
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2008-05
Volume
99
Issue
7
Pages
2672-2679
ISSN
0960-8524 (ISSN-L)
DOI
10.1016/j.biortech.2007.03.066
OpenAlex
W2063594064
Cited by
13
References
26
Citations by year
2021: 1 · 2018: 3 · 2015: 2
FWCI
0.53
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Turfgrass Adaptation and Management
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Micronutrient Interactions and Effects
Keywords
compost application, Cynodon dactylon, soil micronutrients, seasonal dynamics, manganese, iron, copper, zinc, dissolved organic carbon, turfgrass, nutrient leaching, precipitation, winter dormancy, plant-available nutrients
MeSH terms
Poaceae, Metals, Seasons, Soil

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