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  Synthetic humic acids solubilize otherwise insoluble phosphates to improve soil fertilizers

Yang, F., Zhang, S., Song, J., Du, Q., Li, G., Tarakina, N. V., et al. (2019). Synthetic humic acids solubilize otherwise insoluble phosphates to improve soil fertilizers. Angewandte Chemie, International Edition, 58(52), 18813-18816. doi:10.1002/anie.201911060.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-4655-D Version Permalink: http://hdl.handle.net/21.11116/0000-0006-5C0F-4
Genre: Journal Article

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 Creators:
Yang, Fan1, Author              
Zhang, Shuaishuai, Author
Song, Jingpeng, Author
Du, Qing, Author
Li, Guixiang, Author
Tarakina, Nadezda V.2, Author              
Antonietti, Markus1, Author              
Affiliations:
1Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              
2Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              

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 Abstract: Artificial humic acids (A-HA) made from biomass in a hydrothermal process turn otherwise highly insoluble phosphates (e.g. iron phosphate as a model) into highly available phosphorus, which contributes to the fertility of soils and the coupled plant growth. A detailed electron microscopy study revealed etching of the primary iron phosphate crystals by the -COOH and phenolic groups of humic acids, but also illustrated the importance of the redox properties of humic matter on the nanoscale. The combined effects result in the formation of then bioavailable phosphate nanoparticles stabilized by humic matter. Typical agricultural chemical tests indicate that the content of total P and directly plant-available P improved largely. Comparative pot planting experiments before and after treatment of phosphates with A-HA demonstrate significantly enhanced plant growth, as quantified in higher aboveground and belowground plant biomass.

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Language(s): eng - English
 Dates: 2019-11-222019
 Publication Status: Published in print
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Title: Angewandte Chemie, International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 58 (52) Sequence Number: - Start / End Page: 18813 - 18816 Identifier: ISSN: 1433-7851

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Title: Angewandte Chemie
  Abbreviation : Angew. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 131 (52) Sequence Number: - Start / End Page: 18989 - 18992 Identifier: ISSN: 0044-8249