Effects of Organic Amendments on Soil Aggregate Stability, Carbon Sequestration, and Energy Use Efficiency in Wetland Paddy Cultivation

Mohammad Mizanur Rahman, Mohammed Zia Uddin Kamal, Senaratne Ranamukhaarachchi, Mohammad Saiful Alam, Mohammad Khairul Alam, Mohammad Arifur Rahman Khan, Mohammad Moshiul Islam, Mohammad Ashraful Alam, Saidul Islam Jiban, Mohammad Abdullah Al Mamun, Hasan Muhammad Abdullah, Jatish Chandra Biswas, Sohela Akhter, Umme Aminun Naher, Md. Maniruzzaman, Mohammad Mozammel Haque and Faruque Ahmed
Additional contact information
Mohammad Mizanur Rahman: Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Mohammed Zia Uddin Kamal: Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Senaratne Ranamukhaarachchi: Agricultural Technology Program, Sri Lanka Technological Campus, Padukka 10500, Sri Lanka
Mohammad Saiful Alam: Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Mohammad Khairul Alam: Bangladesh Agricultural Research Council, Dhaka 1215, Bangladesh
Mohammad Arifur Rahman Khan: Department of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Mohammad Moshiul Islam: Department of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Mohammad Ashraful Alam: Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Saidul Islam Jiban: Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Mohammad Abdullah Al Mamun: Department of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Hasan Muhammad Abdullah: Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
Jatish Chandra Biswas: Krishi Gobeshona Foundation, Dhaka 1215, Bangladesh
Sohela Akhter: Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh
Umme Aminun Naher: Bangladesh Rice Research Institute, Gazipur 1701, Bangladesh
Md. Maniruzzaman: Bangladesh Rice Research Institute, Gazipur 1701, Bangladesh
Mohammad Mozammel Haque: Bangladesh Rice Research Institute, Gazipur 1701, Bangladesh
Faruque Ahmed: Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh

Sustainability, 2022, vol. 14, issue 8, 1-14

Abstract: A study was conducted to assess the effects of organic amendments on soil aggregates, carbon (C) sequestration, and energy use efficiency (EUE) during five consecutive Boro and Transplanted Aman rice seasons in Bangladesh during 2018–2020. Five treatments (viz., control (only inorganic fertilizers), cow dung (CD), vermicompost (VC), rice straw (RS), and poultry manure (PM)) were used. The organic materials were applied at 2 t C ha −1 season −1 to all the plots, except in the control treatment. Inorganic fertilizers were applied in all treatments in both seasons following integrated nutrient management (INM). The data reveal that PM was found to be more efficient at increasing the water-stable soil aggregates (WSA), followed by the RS, CD, and VC. The WSA in smaller-sized soil aggregates were found to be higher than those in larger-sized soil aggregates. VC was found to be the most effective in terms of C sequestration (29%), followed by PM (26%), CD (22%), and RS (20%). The highest EUE was attributed to the control treatment (9.77), followed by the CD (8.67), VC (8.04), RS (2.10), and PM (1.18), which showed energy wastage in the organic treatments. The system productivity (SP) followed the opposite trend of the EUE. The INM is a better approach to improve the soil health, the C sequestration, and the SP, but it appeared as an energy-inefficient strategy, which suggests that a balanced application of organic and inorganic nutrients is needed in order to achieve yield sustainability and EUE.

Keywords: organic amendments; soil aggregates; integrated nutrient management; energy use efficiency; carbon sequestration (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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