Chemical Degradation of Sulfosulfuron in Aqueous Suspension of Rice and Wheat Straw Ashes

  • Anup Kumar
  • Neera SinghEmail author
  • Tirthankar Banerjee
  • Shashi Bala Singh


Burning of wheat and rice straw on field, after crop harvest, is a quick, cheap and an easy way for land clearing. The ashes generated after burning are mixed with soils and due to their alkaline nature, they may affect the degradation of applied herbicides. Therefore, present paper reports degradation of sulfosulfuron in aqueous suspension of the wheat (WSA) and rice (RSA) straw ashes. The results suggested that both ashes significantly enhanced sulfosulfuron dissipation in water and effect was more with the RSA. The solution pH affected sulfosulfuron dissipation and in control buffers (no ash) herbicide degradation followed the order: acidic > alkaline > neutral. Addition of the RSA significantly increased sulfosulfuron degradation in buffers, but effect was more evident at neutral and alkaline pH. The study has relevance in assessing degradation of sulfosulfuron in soils where crop residues are burned for land clearing.


Sulfosulfuron Rice and wheat straw ashes Degradation 

Supplementary material

128_2019_2686_MOESM1_ESM.docx (170 kb)
Supplementary file1 (DOCX 169 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Anup Kumar
    • 1
  • Neera Singh
    • 1
    Email author
  • Tirthankar Banerjee
    • 1
  • Shashi Bala Singh
    • 1
  1. 1.Division of Agricultural ChemicalsICAR-Indian Agricultural Research InstituteNew DelhiIndia

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