Improvement of Water Infiltration in an Erosion-Prone Soil under Laboratory Conditions and through Artificial Increase of Soil Microorganisms’ Population

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SADEGHI SEYED HAMIDREZA; KHEIRFAM HOSSEIN; HOMAEE MEHDI; Zarei Darki Behrouz

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Journal Paper

Paper Information

Journal: Iranian Journal of Soil and Water Research Year:2017 | Volume:47 | Issue:4 Page(s): 797-805

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Title

Improvement of Water Infiltration in an Erosion-Prone Soil under Laboratory Conditions and through Artificial Increase of Soil Microorganisms’ Population

Author(s)

SADEGHI SEYED HAMIDREZA | KHEIRFAM HOSSEIN | HOMAEE MEHDI | Zarei Darki Behrouz | Issue Writer Certificate

Keywords

Bio-amendmentsQ1

EcohydrologyQ1

Land DegradationQ2

Soil and Water ConservationQ1

Abstract

Runoff production process is a key hydrological component illustrating watersheds’ well-being health. Water infiltration in soil is also one of the determinant factors of runoff generation for improvement of which many techniques have been employed. However, the role of microorganisms for the improvement of water infiltration in soils has been considered to a lesser extent. Within the present study therefore, it was tried to investigate the effect of artificial soil bacteria population proliferation as a completely biological and modern technique to improve soil surface properties and consequently to increase soil infiltration. To this end, the promising bacteria, namely Bacillus subtilis strain and Azotobacter sp. were isolated and inoculated individually as well as combined with B4 stimulant nutrient matter to small erosion plots, filled with an erosion-prone soil of Marzanabad-Kandelus road neighboring region, then left for 60 days. The water infiltration in soil was later on recorded after rainfall simulation within experimental conditions after which statistical analyses were conducted. The results revealed that the inoculation treatments (inoculation of Bacillus subtilis strain and Azotobacter sp., individually injected with B4 stimulant nutrient matter as well as combined inoculation of bacteria and B4 stimulant nutrient matter) improved the water infiltration in soil and reduced volume and consequently coefficient of runoff within 99% of confidence level as compared with control. Water infiltration in soil in Bacillus subtilis strain and Azotobacter sp. bacteria inoculation, B4 stimulant nutrient matter and their combined treatments increased about 18, 10 and 21%, respectively. In conclusion, enrichment of soil crust bacteria population through inoculation and stimulation techniques was approved in reducing runoff yield. The combined inoculation of Bacillus subtilis strain and Azotobacter sp. bacteria with B4 stimulant nutrient matter presented the most acceptable performance in increasing water infiltration in the studied soil.

Cites

EFFECTS OF INDIVIDUAL AND COMBINED APPLICATION OF VERMICOMPOST AND SILICA NANO PARTICLES ON AN EROSION-PRON SOIL INFILTRATION

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APA: Copy

SADEGHI, SEYED HAMIDREZA, KHEIRFAM, HOSSEIN, HOMAEE, MEHDI, & Zarei Darki, Behrouz. (2017). Improvement of Water Infiltration in an Erosion-Prone Soil under Laboratory Conditions and through Artificial Increase of Soil Microorganisms’ Population. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 47(4 ), 797-805. SID. https://sid.ir/paper/225889/en

Vancouver: Copy

SADEGHI SEYED HAMIDREZA, KHEIRFAM HOSSEIN, HOMAEE MEHDI, Zarei Darki Behrouz. Improvement of Water Infiltration in an Erosion-Prone Soil under Laboratory Conditions and through Artificial Increase of Soil Microorganisms’ Population. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2017;47(4 ):797-805. Available from: https://sid.ir/paper/225889/en

IEEE: Copy

SEYED HAMIDREZA SADEGHI, HOSSEIN KHEIRFAM, MEHDI HOMAEE, and Behrouz Zarei Darki, “Improvement of Water Infiltration in an Erosion-Prone Soil under Laboratory Conditions and through Artificial Increase of Soil Microorganisms’ Population,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 47, no. 4 , pp. 797–805, 2017, [Online]. Available: https://sid.ir/paper/225889/en

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