EFFECT OF IRRIGATION WATER SALINITY, GYPSUM AND MANURE AMENDMENTS ON MICROBIAL RESPIRATION AND PHOSPHATASE ACTIVITY IN SOYBEAN RHIZOSPHERE

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GHANBARI MOFTI KOLAEI H.; BAHMANYAR M.A.; SALEK GILANI S.; RAIESI F.

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Journal: Agricultural Engineering Year:2011 | Volume:33 | Issue:2 Page(s): 79-90

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Title

EFFECT OF IRRIGATION WATER SALINITY, GYPSUM AND MANURE AMENDMENTS ON MICROBIAL RESPIRATION AND PHOSPHATASE ACTIVITY IN SOYBEAN RHIZOSPHERE

Author(s)

GHANBARI MOFTI KOLAEI H. | BAHMANYAR M.A. | SALEK GILANI S. | RAIESI F. | Issue Writer Certificate

Keywords

GYPSUMQ2

MANUREQ2

SOIL MICROBIAL RESPIRATIONQ3

SALINE IRRIGATION WATERQ3

ACIDIC AND ALKALINE PHOSPHATESQ3

SOYBEANQ3

Abstract

Salinity is an important environmental stress causing a negative impact on the soil biological activity. Application of organic and inorganic amendment in saline soil can modify the adverse salinity effects on microbial activity and biochemical characteristics of rhizosphere. The objective of this study was to investigate the effect of irrigation water salinity and organic and inorganic amendments on microbial respiration and soil ACIDIC AND ALKALINE PHOSPHATES activity in second node and full bloom stages of SOYBEAN. A factorial experiment consisting of five salinity levels (i.e. S1=0.8 S2=1.6 S3=3.2 S4=4.8 and S5=6.4 dS m-1 from the sea water source) and five amendment treatments including T1 (control without amendment), T2 (20 t ha-1 GYPSUM), T3 (20 t ha-1 MANURE), T4 (10 t ha-1 GYPSUM+10 t ha-1 MANURE), T5 (15 t ha-1 GYPSUM+15 t ha-1 MANURE) arranged as randomized blocks design with three replications was conducted under greenhouse conditions in 2009. Results indicated that irrigation water salinity reduced SOIL MICROBIAL RESPIRATION and ACIDIC AND ALKALINE PHOSPHATES activity in the second node (V2) and full bloom (R2) stages of SOYBEAN. But application of soil amendments (organic and inorganic) were increased biological indicators. In the second node stage (V2), application of organic amendments (T3) at all salinity levels had most microbial respiration and enzyme activity in comparison to control treatment. Microbial respiration, acid phosphates and alkaline phosphates were increased by 55, 24 and 27 percent respectively. SOIL MICROBIAL RESPIRATION and enzyme activity of acid and alkaline phosphates in the full bloom stage (R2) decreased with salt accumulation by SALINE IRRIGATION WATER application. Using mineral and organic amendments together (15 t ha-1 GYPSUM+15 t ha-1 MANURE) had the greatest effect on microbial respiration and enzyme activity in different salinity levels in the full bloom stage (R2).

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References

THE EFFECT OF MYCORRHIZA COLONIZATION ON THE RESISTANCE OF BARLEY (HORDEUM VULGARE) TO SALINITY

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APA: Copy

GHANBARI MOFTI KOLAEI, H., BAHMANYAR, M.A., SALEK GILANI, S., & RAIESI, F.. (2011). EFFECT OF IRRIGATION WATER SALINITY, GYPSUM AND MANURE AMENDMENTS ON MICROBIAL RESPIRATION AND PHOSPHATASE ACTIVITY IN SOYBEAN RHIZOSPHERE. AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE), 33(2), 79-90. SID. https://sid.ir/paper/233730/en

Vancouver: Copy

GHANBARI MOFTI KOLAEI H., BAHMANYAR M.A., SALEK GILANI S., RAIESI F.. EFFECT OF IRRIGATION WATER SALINITY, GYPSUM AND MANURE AMENDMENTS ON MICROBIAL RESPIRATION AND PHOSPHATASE ACTIVITY IN SOYBEAN RHIZOSPHERE. AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2011;33(2):79-90. Available from: https://sid.ir/paper/233730/en

IEEE: Copy

H. GHANBARI MOFTI KOLAEI, M.A. BAHMANYAR, S. SALEK GILANI, and F. RAIESI, “EFFECT OF IRRIGATION WATER SALINITY, GYPSUM AND MANURE AMENDMENTS ON MICROBIAL RESPIRATION AND PHOSPHATASE ACTIVITY IN SOYBEAN RHIZOSPHERE,” AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 33, no. 2, pp. 79–90, 2011, [Online]. Available: https://sid.ir/paper/233730/en

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