[1]LIU Taikun,GAO Ban,XIE Zuoming,et al.Effects of Artificial Algal Crusts on Physicochemical Properties and Enzyme Activities of Saline-Alkali Soil in Hetao Plain[J].Research of Soil and Water Conservation,2022,29(04):133-139.
Copy
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
29
Number of periods:
2022 04
Page number:
133-139
Column:
Public date:
2022-06-20
- Title:
-
Effects of Artificial Algal Crusts on Physicochemical Properties and Enzyme Activities of Saline-Alkali Soil in Hetao Plain
- Author(s):
-
LIU Taikun1, GAO Ban1, XIE Zuoming1,2, LI Ming1, MAO Qing1, ZHAO Xinxin1
-
(1.School of Environmental Studies, China University of Geosciences, Wuhan 430078, China; 2.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430078, China)
-
- Keywords:
-
saline-alkali land; soil algal crusts; soil improvement
- CLC:
-
S156.4; S154.3
- DOI:
-
-
- Abstract:
-
Soil algal crusts are mainly formed by the cementation of soil algae and soil particles, and have excellent ecological functions such as soil and water conservation, soil improvement, windbreak and sand fixation. In order to study the improvement effect of soil algal crusts on saline-alkali soil, the experiment was carried out in the saline-alkali land of Hetao Plain. We inoculated C. miniata HJ-01, C. miniata HJ-01 and S. javanicum, C. miniata HJ-01 and indigenous filamentous mixed algae in the field experimental area, and the soil algal crusts were artificially cultured. The results showed that after 45 days of artificial algal crusts development, within the depth of 0—10 cm, the water loss decreased slightly, soil pH value decreased slightly, soil electrical conductivity decreased 57%(p<0.05), and available N and available P increased(p<0.05); the activities of urease, sucrase, catalase and alkaline phosphatase in 0—5 cm soil layer increased by 52.1%, 20.7%, 16.7% and 41.7%, respectively(p<0.05). Therefore, the artificial soil algal crusts could improve the saline-alkali soil effectively.