Bentonite-humic acid improves soil organic carbon, microbial biomass, enzyme activities and grain quality in a sandy soil cropped to maize (Zea mays L.) in a semi-arid region

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dc.contributor.author
Zhou, Lei
Xu, Sheng-tao
Monreal, Carlos M.
Mclaughlin, Neil B.
Zhao, Bao-ping
Liu, Jing-hui
Hao, Guo-cheng
dc.date.accepted
2020-11-16
dc.date.accessioned
2024-07-30T19:58:37Z
dc.date.available
2024-07-30T19:58:37Z
dc.date.issued
2022-01-04
dc.date.submitted
2020-07-20
dc.description.abstract - en
A bentonite-humic acid (B-HA) mixture added to degraded soils may improve soil physical and hydraulic properties, due to effects such as improved soil structure and increased water and nutrient retention, but its effect on soil physicochemical and biological properties, and grain quality is largely unknown. The effect of B-HA, added at 30 Mg ha−1, was studied at 1, 3, 5 and 7 years after its addition to a degraded sandy soil in a semi-arid region of China. The addition of B-HA significantly increased water-filled pore space and soil organic carbon, especially at 3 to 5 years after its soil addition to the soil. Amending the sandy soil with B-HA also increased the content of microbial biomass (MB)-carbon, -nitrogen and -phosphorus, and the activities of urease, invertase, catalase and alkaline phosphatase. The significant effect of maize (Zea mays L.) growth stage on soil MB and enzyme activities accounted for 58 and 84% of their total variation, respectively. In comparison, B-HA accounted for 8% of the total variability for each of the same two variables. B-HA significantly enhanced soil properties and the uptake of N and P by maize in semi-arid areas. The use of B-HA product would be an effective management strategy to reclaim degraded sandy soils and foster sustainable agriculture production in northeast China and regions of the world with similar soils and climate.
dc.identifier.citation
ZHOU, L., XU, S., MONREAL, C. M., MCLAUGHLIN, N. B., ZHAO, B., LIU, J., & HAO, G. (2022). Bentonite-humic acid improves soil organic carbon, microbial biomass, enzyme activities and grain quality in a sandy soil cropped to maize (Zea mays L.) in a semi-arid region. Journal of Integrative Agriculture, 21(1), 208–221. https://doi.org/10.1016/s2095-3119(20)63574-2
dc.identifier.doi
https://doi.org/10.1016/S2095-3119(20)63574-2
dc.identifier.issn
2352-3425
dc.identifier.uri
https://open-science.canada.ca/handle/123456789/2769
dc.language.iso
en
dc.publisher
Elsevier B.V.
dc.rights - en
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.rights - fr
Creative Commons Attribution - Pas d'utilisation commerciale - Pas de modification 4.0 International (CC BY-NC-ND 4.0)
dc.rights.openaccesslevel - en
Gold
dc.rights.openaccesslevel - fr
Or
dc.rights.uri - en
https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.uri - fr
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.fr
dc.subject - en
Agriculture
dc.subject - fr
Agriculture
dc.subject.en - en
Agriculture
dc.subject.fr - fr
Agriculture
dc.title - en
Bentonite-humic acid improves soil organic carbon, microbial biomass, enzyme activities and grain quality in a sandy soil cropped to maize (Zea mays L.) in a semi-arid region
dc.type - en
Article
dc.type - fr
Article
local.article.journalissue
1
local.article.journaltitle
Journal of Integrative Agriculture
local.article.journalvolume
21
local.pagination
208-221
local.peerreview - en
Yes
local.peerreview - fr
Oui
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