Comparison of carbon sequestration potential of soybean in conventional and conservation cropping systems (Case study: Gorgan township)

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Moushani s.; KAZEMI H.; SOLTANI A.; ASADI M.E.

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Journal: Journal of Plant Production Research Year:2019 | Volume:26 | Issue:3 Page(s): 235-253

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Title

Comparison of carbon sequestration potential of soybean in conventional and conservation cropping systems (Case study: Gorgan township)

Author(s)

Moushani s. | KAZEMI H. | SOLTANI A. | ASADI M.E. | Issue Writer Certificate

Keywords

Carbon SequestrationQ1

Conservation cropping systemQ1

Plant organsQ2

SoybeanQ1

Abstract

Background and Objectives: Carbon Sequestration in plant tissues is one of the most important ways to reduce atmospheric CO2 and also to reduce greenhouse effect and climate change. In order to investigate the effect of conventional and Conservation cropping systems on Carbon Sequestration potential in Soybean Plant organs as an ecosystem service, a study was conducted. Materials and Methods: A surveyed research was conducted based on a completely randomized unbalanced design in agricultural lands of Gorgan township, during 2016-2017. In this study, 48 fields were selected in the main directions of Gorgan township, where 38 fields under conventional cultivation and 10 fields under conservation cultivation and samplings were carried out using W method during physiological ripen stage (late November). A combustion method was used to determine the amount of stored carbon. The stored carbon content was determined individually in Soybean organs including root, stem, leaf, pod and seed. The weight of each plant organ was estimated per unit area, then using the Carbon Sequestration coefficient, the total amounts of Carbon Sequestration per unit area was determined. Results: The average amount of carbon in Soybean plant was determined as 3281. 4 kg/ha under the conventional cropping system and 3176. 1 kg/ha under Conservation cropping system. The reason for this result was the higher of plant biomass in conventional cropping system. Similar results were found for Plant organs, so that the average amount of carbon were 1181. 6 and 1249. 3 kg/h in seed, 792. 19 and 710. 27 kg/ha in leaves, 968. 61 and 888. 85 kg/ha in stem, 69. 20 and 87. 12 kg/ha in pods and 269. 81 and 249. 57 kg/ha in roots under conventional and Conservation cropping systems, respectively. Results showed that there was a significant different between the amounts of Carbon Sequestration in the above ground and below ground tissues of Soybean. The Carbon Sequestration amounts were about 2993. 8 kg/ha in above ground tissues and about 265. 59 kg/ha in the below ground organs. Conclusion: In the study of the effect of two conventional and Conservation cropping systems, it has been found that the potential of Carbon Sequestration in Plant organs is similar in conventional system and conventional farming system. Due to the current state of the soil in the region, in terms of organic matter, part of the carbon stored in the Plant organs can return to soil and improve soil fertility. On the other hand, reducing carbon emissions will improve air quality and prevent the negative effects of greenhouse gas emissions. All these results depend on the maintenance of crop residue in soil surface, that the most of these residue are burned in conventional cropping system, therefore this potential is not used.

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APA: Copy

Moushani, s., KAZEMI, H., SOLTANI, A., & ASADI, M.E.. (2019). Comparison of carbon sequestration potential of soybean in conventional and conservation cropping systems (Case study: Gorgan township). JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 26(3 ), 235-253. SID. https://sid.ir/paper/155733/en

Vancouver: Copy

Moushani s., KAZEMI H., SOLTANI A., ASADI M.E.. Comparison of carbon sequestration potential of soybean in conventional and conservation cropping systems (Case study: Gorgan township). JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2019;26(3 ):235-253. Available from: https://sid.ir/paper/155733/en

IEEE: Copy

s. Moushani, H. KAZEMI, A. SOLTANI, and M.E. ASADI, “Comparison of carbon sequestration potential of soybean in conventional and conservation cropping systems (Case study: Gorgan township),” JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 26, no. 3 , pp. 235–253, 2019, [Online]. Available: https://sid.ir/paper/155733/en

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