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Effect of type of farming practices on the soil carbon sequestration and yield of some crops


Abstract

Soil carbon sequestration is a long-time storage of carbon in soil which represents 70% of the carbon in land. Therefore, the main aim of this study is to investigate the effect of the agricultural practice systems on the soil carbon sequestration and properties, productivity, water consumption, soil carbon sequestration, CO2 emission and cost of some agricultural crops. To achieve that, different farming systems (conventional, organic and biodynamic) and four crops (maize, tomato, faba bean and potato) were used during 5 agricultural years. The obtained results indicated that, the agricultural practices for different farming systems enhanced the soil properties. Biodynamic practice farming causes reduction in bulk density, which it increase the water holding capacity of the soil which in turn decreased the water consumption by plants. Regarding the chemical properties of the soil, biodynamic and organic farming improved the chemical characteristics such as pH, EC, N, P and K compared to the conventional practice farming. Yield values of both biodynamic and organic farming system were higher than that of the traditional farming system. The amount of soil carbon sequestration ranged from 1980.17 to 4782.82, 2505.89 to 6132.38 and 1581.07 to 5986.25 kg ha− 1 for conventional, organic and biodynamic systems, respectively. The amount of CO2 emission reduction for organic and biodynamic systems was higher than those of conventional system during experimental period. The highest value of carbon profit (13,071.60 Egyptian pound per hectare (EGP ha− 1), $=48.48EGP) was found with the biodynamic system. The highest values of total net profit were 25,046.64, 67,463.04, 44175.84 and 94,674.24 EGP ha− 1 for maize, tomato, faba bean and potato crops, respectively, were found with the organic farming system after 5 agricultural years.

Data availability

The datasets used and/or analyzed during the current study available from the corresponding author on reasonable request.

Abbreviations


(Am_{{{text{CO}}_{2} }})
:

Amount of mitigation of CO2 emission

BD:

Bulk density

C/N:

Carbon nitrogen ratio

d:

Soil depth

EC:

Electrical conductivity

CF:

Conversion factor of CO2 emission from carbon

Es:

Drip irrigation system efficiency

IWR:

Irrigation water requirements

Lf
:

Leaching factor

Mp:

Market prices of CO2 offsets

MC:

Moisture content

NR:

Net return

PCO2
:

Profit analysis for mitigation of CO2 emission

SOM:

Soil organic matter

SOC:

Soil organic carbon

SCS:

Soil carbon sequestration

TC:

Total costs

TR:

Total return

WHC:

Water holding capacity


W
i
:

Weight of sample before drying


W
s
:

Weight of sample after drying

WUE:

Water use efficiency

θFC
:

Soil moisture content at field capacity

θv
:

Soil moisture content before irrigation

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Acknowledgements

This work is fully sponsored by the Support and Development of Scientific Research Center, Benha University. We would also like to show our gratitude to the Arab Academy for Science and Technology and Maritime Transport, Cairo, Egypt.

Funding

Open access funding provided by The Science, Technology & Innovation Funding Authority (STDF) in cooperation with The Egyptian Knowledge Bank (EKB). The author received no funding for this work.

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El-Sayed Khater, Adel Bahnasawy, Ramy Hamouda, Amr Sabahy, Wael Abbas, Osama Morsy and Mahmoud El-Habbaq: Investigation, Resources, Writing—Original Draft Preparation, Writing—Review and Editing.

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El-Sayed Khater.

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Khater, ES., Bahnasawy, A., Hamouda, R. et al. Effect of type of farming practices on the soil carbon sequestration and yield of some crops.
Sci Rep (2026). https://doi.org/10.1038/s41598-026-35230-0

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  • DOI: https://doi.org/10.1038/s41598-026-35230-0

Keywords

  • Conventional
  • Organic
  • Biodynamic
  • Crop yield
  • Soil carbon sequestration
  • CO2 emission
  • Cost


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