Cited by 285Phosphorus and nutrient managementSoil and Water Nutrient DynamicsAgricultural Science and Fertilization

Influence of organic matter on phosphate adsorption by aluminium and iron oxides in sandy soils

BORGGAARD, O. K., JDRGENSEN, S. S., MOBERG, J. P., RABEN‐LANGE, B.·1990·Journal of Soil Science

Abstract

SUMMARY The phosphate adsorption capacity (P max ) of samples from various horizons of five Danish podzolized soils were investigated before and after organic matter removal. Removal of organic matter had no direct influence on P max suggesting that organic matter did not compete with phosphate for adsorption sites. In the soils investigated aluminium and iron oxides were the main phosphate adsorbents. Thus, more than 96% of the variation in P max could be accounted for by poorly crystalline aluminium and iron oxides (extractable by oxalate) and by well‐crystallized iron oxides (taken as the difference between dithionite‐citrate‐bicarbonate‐extractable iron and oxalate‐extractable iron). Organic matter affected phosphate adsorption indirectly by inhibiting aluminium oxide crystallization. The resulting poorly crystalline oxides had high P max . In contrast, the influence of organic matter on the crystallinity of the iron oxides, and therefore on their capacity to adsorb phosphate, seemed limited.

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Crossref · 10.1111/j.1365-2389.1990.tb00078.x

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Authors
BORGGAARD, O. K., JDRGENSEN, S. S., MOBERG, J. P., & RABEN‐LANGE, B.
Venue
Journal of Soil Science
Publisher
Wiley
Published
1990-09
Volume
41
Issue
3
Pages
443-449
ISSN
0022-4588 (ISSN-L)
OpenAlex
W2149537554
Cited by
285
References
23
Citations by year
2026: 5 · 2025: 6 · 2024: 7 · 2023: 17 · 2022: 10 · 2021: 13 · 2020: 13 · 2019: 8 · 2018: 9 · 2017: 12 · 2016: 13 · 2015: 18 · 2014: 9 · 2013: 10 · 2012: 5
FWCI
5.79
Type
journal article
Language
en
Open access
closed
Locations
Journal of Soil Science (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
Keywords
phosphate adsorption, organic matter, alumina, iron oxide, sandy soil, podzol soil, oxalate-extractable iron, adsorption capacity

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