지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.8
- 수록면
- 1 - 12 (12page)
이용수
초록· 키워드
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A laboratory-scale study was conducted to investigate the effect of rhamnolipids (RLs) supplement on the amelioration of saline-alkali soils. The RLs supplement improved the soil aggregates stability and promoted the formation of macro-aggregates which increased by up to 10.84% and 15.92% in alkaline soil and saline soil, respectively. In addition, RLs amendment led to a pH reduction from initial 8.87 to 7.80-7.84 in alkaline soil, and a salt rejection up to 20.72% in saline soil, remarkably alleviating the saline-alkali stress on microorganisms and plants. Meanwhile, microbial growth and activity as well as the seed germination performance were greatly improved in both types of soil. Furthermore, RLs addition greatly altered the microbial community structure and supported the proliferation of bacterial species (e.g., Pseudomonas oleovorans, Pseudomonas stutzeri, and Alcanivorax dieselolei) that favored the improvement of soil properties and nutrients circulation, thus markedly enhancing the microecological functions including carbon and nitrogen metabolisms. Further supplement of γ-PGA only exhibited promoting effect on aggregates formation and microbial growth and activity. The findings obtained in this study prove the application of RLs as a promising approach for saline-alkali soil amelioration.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
Conclusions
Reference
참고문헌 (49)
참고문헌 신청
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Wang Z, Tan W, Yang D, et al. Mitigation of soil salinization and alkalization by bacterium-induced inhibition of evaporation and salt crystallization. Sci. Total Environ. 2021;755:1–7. http://doi.org/10.1016/j.scitotenv.2020.142511.
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Wang Z, Tan W, Yang D, et al. Mitigation of soil salinization and alkalization by bacterium-induced inhibition of evaporation and salt crystallization. Sci. Total Environ. 2021;755:1–7. http://doi.org/10.1016/j.scitotenv.2020.142511.
Wang L, Zhao Z, Zhang K, Tian C. Reclamation and utilization of saline soils in arid northwestern China: a promising halophyte drip-irrigation system. Environ. Sci. Technol. 2013;47:5518–5519. http://doi.org/10.1021/es4017415.
Peng J, Biswas A, Jiang Q, et al. Estimating soil salinity from remote sensing and terrain data in southern Xinjiang Province, China. Geoderma 2019;337:1309–1319. https://doi.org/10.1016/j.geoderma.2018.08.006.
Wang B, Dong X, Wang Z, Qin G. Characterizing spatiotemporal variations of soil salinization and its relationship with eco-hydrological parameters at the regional scale in the Kashi area of Xinjiang, China from 2000 to 2017. Water 2021;13:1–20. http://doi
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