EFFECTS OF BIOLOGICAL FERTILIZERS ON YIELD AND GROWTH INDICES OF TOMATO IN CD CONTAMINATED SOIL

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NEMATI A.; GHOLCHIN A.; BESHARATI H.

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Journal: Iranian Journal of Soil Research Year:2015 | Volume:29 | Issue:1 Page(s): 23-36

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Title

EFFECTS OF BIOLOGICAL FERTILIZERS ON YIELD AND GROWTH INDICES OF TOMATO IN CD CONTAMINATED SOIL

Author(s)

NEMATI A. | GHOLCHIN A. | BESHARATI H. | Issue Writer Certificate

Keywords

AZOTOBACTERQ2

MYCORRHIZAL FUNGIQ2

SOIL POLLUTIONQ2

HEAVY METALS CONTAMINATIONQ2

Abstract

Environmental problems associated with the excessive use of chemical fertilizers and abiotic stresses due to SOIL POLLUTION by heavy metals have encouraged use of biological fertilizers in modern agriculture. In order to protect environment and reduce the tension caused by heavy metals, it is essential to use biofertilizer in crop production. To assess the effects of biofertilizers on yield and growth indices of tomato grown in cadmium contaminated soils, a factorial pot experiment was conducted using a completely randomized design with three replication. Factors investigated were levels of soil cadmium and the kinds of biological fertilizers used to inoculate tomato plant. The levels of soil cadmium were 0, 5, 10, 20, 40 and 80 mg Cd/kg soil and six combinations of biological fertilizers were used including: M0: without inoculation, M1: Phosphor solubilizing bacteria + plant growth promoting rhizobacteria + AZOTOBACTER bacteria, M2: AZOTOBACTER bacteria+ MYCORRHIZAL FUNGI + Azosperillium bacteria, M3: Plant growth promoting rhizobacteria + Azosperillium bacteria + MYCORRHIZAL FUNGI, M4: MYCORRHIZAL FUNGI + phosphor solubilizing bacteria + plant growth promoting rhizobacteria + AZOTOBACTER bacteria, M5: Plant growth promoting rhizobacteria + AZOTOBACTER bacteria + MYCORRHIZAL FUNGI. The results showed that application of biological fertilizers increased yield and growth indices when compared with the control, except fruit and stem diameter. The M2 combination increased tomato yield by 179.8%, generating the highest yield of biological fertilizers that was significantly different from the other combinations. By contrast, the result of the combination of biological fertilizers M1 was not significantly different from the control.

Cites

Investigation of Farmers’ Environmental Behavior Components about Bio-Fertilizers Application (The Case of Alborz Province)

References

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APA: Copy

NEMATI, A., GHOLCHIN, A., & BESHARATI, H.. (2015). EFFECTS OF BIOLOGICAL FERTILIZERS ON YIELD AND GROWTH INDICES OF TOMATO IN CD CONTAMINATED SOIL. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), 29(1), 23-36. SID. https://sid.ir/paper/159230/en

Vancouver: Copy

NEMATI A., GHOLCHIN A., BESHARATI H.. EFFECTS OF BIOLOGICAL FERTILIZERS ON YIELD AND GROWTH INDICES OF TOMATO IN CD CONTAMINATED SOIL. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES)[Internet]. 2015;29(1):23-36. Available from: https://sid.ir/paper/159230/en

IEEE: Copy

A. NEMATI, A. GHOLCHIN, and H. BESHARATI, “EFFECTS OF BIOLOGICAL FERTILIZERS ON YIELD AND GROWTH INDICES OF TOMATO IN CD CONTAMINATED SOIL,” IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), vol. 29, no. 1, pp. 23–36, 2015, [Online]. Available: https://sid.ir/paper/159230/en

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