INVESTIGATION THE EFFECTS OF SALINITY AND SOIL PHOSPHORUS ON RESPIRATION, MICROBIAL BIOMASS AND PHOSPHATASE ACTIVITIES IN THE RHIZOSPHERE OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM L.)

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GHOLLARATA M.; RAIESI F.; NADIAN H.

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Journal: Iranian Journal of Soil Research Year:2008 | Volume:22 | Issue:2 Page(s): 217-224

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Title

INVESTIGATION THE EFFECTS OF SALINITY AND SOIL PHOSPHORUS ON RESPIRATION, MICROBIAL BIOMASS AND PHOSPHATASE ACTIVITIES IN THE RHIZOSPHERE OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM L.)

Author(s)

GHOLLARATA M. | RAIESI F. | NADIAN H. | Issue Writer Certificate

Keywords

BERSEEM CLOVERQ4

SUBSTRATE- INDUCED RESPIRATION (SIR)Q3

ACID AND ALKALINE PHOSPHATASEQ3

MICROBIAL BIOMASSQ2

RHIZOSPHEREQ2

Abstract

In order to investigate the effects of salinity and soil phosphorus on respiration, MICROBIAL BIOMASS and phosphatase activities in the RHIZOSPHERE of BERSEEM CLOVER (Trifolium alexandrinum L.), an factorial experiment was arranged in a randomized complete block design with four levels of salinity (S1= 0.12, S2= 2, S3= 6 and S4= 10 dS/m) and two levels of phosphorus (P1= 10 and P2= 30 mg/kg ) from KH2PO4 sources with four replications under greenhouse conditions. Different levels of salinity were produced by NaCl, MgCl2, Na2SO4 and MgSO4 with weight proportional 2, 1, 1 and 1 respectively. The traits such as Soil respiration, Substrate-Induced Respiration (SIR), MICROBIAL BIOMASS and activities of ACID AND ALKALINE PHOSPHATASE enzymes in the RHIZOSPHERE of BERSEEM CLOVER were measured. The salinity was applied using saline water with the above- mentioned electrical conductivities. The results show that an increase in soil phosphorus increases soil respiration but decreased MICROBIAL BIOMASS, SIR and acivities of ACID AND ALKALINE PHOSPHATASE. All measured traits were reduced with an increase in salinity.

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APA: Copy

GHOLLARATA, M., RAIESI, F., & NADIAN, H.. (2008). INVESTIGATION THE EFFECTS OF SALINITY AND SOIL PHOSPHORUS ON RESPIRATION, MICROBIAL BIOMASS AND PHOSPHATASE ACTIVITIES IN THE RHIZOSPHERE OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM L.). IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), 22(2), 217-224. SID. https://sid.ir/paper/158952/en

Vancouver: Copy

GHOLLARATA M., RAIESI F., NADIAN H.. INVESTIGATION THE EFFECTS OF SALINITY AND SOIL PHOSPHORUS ON RESPIRATION, MICROBIAL BIOMASS AND PHOSPHATASE ACTIVITIES IN THE RHIZOSPHERE OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM L.). IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES)[Internet]. 2008;22(2):217-224. Available from: https://sid.ir/paper/158952/en

IEEE: Copy

M. GHOLLARATA, F. RAIESI, and H. NADIAN, “INVESTIGATION THE EFFECTS OF SALINITY AND SOIL PHOSPHORUS ON RESPIRATION, MICROBIAL BIOMASS AND PHOSPHATASE ACTIVITIES IN THE RHIZOSPHERE OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM L.),” IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), vol. 22, no. 2, pp. 217–224, 2008, [Online]. Available: https://sid.ir/paper/158952/en

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