THE EFFECT OF ROBINIA PSEUDOACACIA, FRAXINUS EXCELSIOR, QUERCUS CASTANEIFOLIA AND CUPRESSUS ARIZONICA TREE COVERS ON SOIL ROOT BIOMASS AND NITROGEN MINERALIZATION

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KOOCH YAHYA; HAGHVERDI KATAYOUN

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Journal: APPLIED SOIL RESEARCH Year:2017 | Volume:5 | Issue:1 Page(s): 46-57

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Title

THE EFFECT OF ROBINIA PSEUDOACACIA, FRAXINUS EXCELSIOR, QUERCUS CASTANEIFOLIA AND CUPRESSUS ARIZONICA TREE COVERS ON SOIL ROOT BIOMASS AND NITROGEN MINERALIZATION

Author(s)

KOOCH YAHYA | HAGHVERDI KATAYOUN | Issue Writer Certificate

Keywords

AMMONIFICATIONQ1

COARSE ROOTQ1

FINE ROOTQ1

NET N MINERALIZATION RATEQ1

NITRIFICATIONQ1

Abstract

In order to study the effect of man-made tree covers on soil biological and biochemical properties, the forest stands ofRobinia pseudoacacia, Fraxinus excelsior, Quercus castaneifolia and Cupressus arizonica were considered in the forest park area of Khargoosh-dareh located in Tehran. In each tree covers, 10 soil samples were taken from topsoil (0-10 cm depth). Soil biological, biochemical and also some physico-chemical properties were measured at the laboratory. According to our data, none of soil physical characrteristics were significantly affected by tree covers. The soil under C. arizonica was more acidic compared with Q. castaneifolia, F. excelsior and R. pseudoacacia stands. Greater amounts of soil N, available P and K were found under R. pseudoacacia stand (0.33%, 26.21 and 349.80 mg/kg respectively) and the least was measured under C. arizonica tree cover (0.10%, 12.76 and 145.30 mg/kg respectively). The higher values of root biomass (fine root, COARSE ROOT and total root) were recorded under Q. castaneifolia species (950.21, 1079.90 and 1692.54 kg/ha respectively) whereas, the minimum values were found under C. arizonica trees (402.24, 755.60 and 1157.84 kg/ha respectively). The greater amounts of soil NITRIFICATION rate, AMMONIFICATION rate and net N mineralization were found under R.pseudoacacia(-0.13, 0.44 and 0.30 mg/kg respectively) and the least was measured under C. arizonica tree cover (-0.18, -0.07 and -0.26 mg/kg respectively). Based on our findings, the R. pseudoacacia as N-fixing tree species, presented better performance in soil quality improvement compared with the other studied spcies.

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APA: Copy

KOOCH, YAHYA, & HAGHVERDI, KATAYOUN. (2017). THE EFFECT OF ROBINIA PSEUDOACACIA, FRAXINUS EXCELSIOR, QUERCUS CASTANEIFOLIA AND CUPRESSUS ARIZONICA TREE COVERS ON SOIL ROOT BIOMASS AND NITROGEN MINERALIZATION. APPLIED SOIL RESEARCH, 5(1), 46-57. SID. https://sid.ir/paper/261846/en

Vancouver: Copy

KOOCH YAHYA, HAGHVERDI KATAYOUN. THE EFFECT OF ROBINIA PSEUDOACACIA, FRAXINUS EXCELSIOR, QUERCUS CASTANEIFOLIA AND CUPRESSUS ARIZONICA TREE COVERS ON SOIL ROOT BIOMASS AND NITROGEN MINERALIZATION. APPLIED SOIL RESEARCH[Internet]. 2017;5(1):46-57. Available from: https://sid.ir/paper/261846/en

IEEE: Copy

YAHYA KOOCH, and KATAYOUN HAGHVERDI, “THE EFFECT OF ROBINIA PSEUDOACACIA, FRAXINUS EXCELSIOR, QUERCUS CASTANEIFOLIA AND CUPRESSUS ARIZONICA TREE COVERS ON SOIL ROOT BIOMASS AND NITROGEN MINERALIZATION,” APPLIED SOIL RESEARCH, vol. 5, no. 1, pp. 46–57, 2017, [Online]. Available: https://sid.ir/paper/261846/en

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