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Biochar application and no-tillage practices to minimize the residues of herbicides in the seeding hole

Authors
  • Singha, Ashutus1
  • Rahaman, Md. Arifur1
  • Jiku, Md. Abu Sayem1
  • Faruquee, Muhiuddin2
  • Alam, Md. Ashraful3
  • Sinha, Shata Rupa4
  • 1 Chinese Academy of Agricultural Science, Beijing, 10081, China , Beijing (China)
  • 2 Chinese Academy of Agricultural Sciences, Beijing, 10081, China , Beijing (China)
  • 3 Graduate school of Chinese Academy of Agricultural Science, Beijing, 10081, China , Beijing (China)
  • 4 Bangladesh Agricultural University, Mymensingh, Bangladesh , Mymensingh (Bangladesh)
Type
Published Article
Journal
Bulletin of the National Research Centre
Publisher
Springer Berlin Heidelberg
Publication Date
Nov 28, 2019
Volume
43
Issue
1
Identifiers
DOI: 10.1186/s42269-019-0222-7
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundNo-tillage is considered as a promising alternative for conventional farming by saving energy input and time, reducing groundwater pollution, and counteracting soil erosion and losses of soil-organic matter. Therefore, this study was carried out in north-eastern Sylhet of Bangladesh during the period of 2015–2016 to evaluate the multiple techniques of implementation in order to find a practically appropriate way to apply biochar.ResultsIn this study, successfully applied of biochar and glyphosate in holes with seeds and consisted of one control (pure soil), glyphosate control, biochar control, and four glyphosate treatments with 1, 2.5, 5, and 10% biochar addition. The Gly + ch1% and Gly + ch2.5% treatments demonstrated a better emergence rate than all treatments, and at the end of the emergence, they reached more than 95%. There was no important distinction found among all the treatments in the event of shooting fresh and dry biomass. Biochar amendment treatments did not show any influence on shoot fresh biomass compared to glyphosate control and biochar 5% treatment, respectively. Gly + ch2.5% treatment showed slightly better performance than all the other treatments. The similar performance was shown in case of shoot dry weight. In case of root fresh weight, there was only a significant different observed between Gly + ch1% and Gly + ch10%. However, Gly + ch1% treatment revealed slightly higher root fresh weight compared to all the other treatments. Considering the results of the germination percentage and root morphology, it could be suggested that lower rate of biochar application showed better performance on root length and development.ConclusionsIt could be concluded that glyphosate application has mitigation effect to absorb herbicidal residues. For successful introduction of biochar application in agriculture, field acts as a huge amount of carbon sink and has also a positive effect to mitigate climate change.

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