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Abu Bakkar Siddique
Global Centre for Environmental Remediation (GCER), The University of Newcastle, Callaghan, NSW 308, Australia

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Short Biography

Assistant professor, Noakhali Science and Technology University (NSTU), Bangladesh and PhD student, Global Centre for Environmental Remediation (GCER), The University of Newcastle, Callaghan, Australia

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Journal article
Published: 30 August 2021 in Agronomy
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Rice is a staple food for humans and a key source of soil arsenic (As) transfer to the human food chain. As a result, it is critical to develop ways for reducing As accumulation in rice. A pot experiment with seven different water management practices was done to examine the impacts of water management on rice (cv. BRRI dhan28) growth, yield, and As accumulation in rice grain. Any health risk due to As accumulation in rice grain was also determined. The soil used in the experiment was artificially contaminated with As and the source of As was sodium arsenate (Na2HAsO4 7H2O). Water management practices affect different plant growth and yield parameters including filled grains per panicle, unfilled grains per panicle, 1000-grain weight, grain yield and straw yield of rice. The number of filled grains per panicle and 1000-grain weight were found to be at their highest in the T7 (alternate wetting and drying) condition, whereas the number of unfilled grains per panicle was at its lowest in the same treatment. The T7 also demonstrated the highest grain yield (21.08 g/pot) and straw yield (22.02 g/pot), whereas the lowest values were noted in T1 (flooding throughout the growth period). The highest As concentration in rice grain (0.52 mg kg−1) was found in T1 and the lowest As concentration in grain (0.27 mg kg−1) was found in T7. Estimation of the human health risk revealed that the non-carcinogenic risks (HQ > 1) and carcinogenic risks (CR > 1.0 × 10−4) were greatly affected by different water regimes. The rice plant grown under alternate wetting and drying condition (T7) showed the lowest health risks compared to other water management practices. Thus, alternate wetting and drying conditions are a good water management strategy for increasing rice output while reducing arsenic buildup in rice grain.

ACS Style

Israt Jahan Harine; Mohammad Rafiqul Islam; Mahmud Hossain; Hasina Afroz; Rounok Jahan; Abu Bakkar Siddique; Shihab Uddin; Mohammad Anwar Hossain; Saud Alamri; Manzer H. Siddiqui; Robert J. Henry. Arsenic Accumulation in Rice Grain as Influenced by Water Management: Human Health Risk Assessment. Agronomy 2021, 11, 1741 .

AMA Style

Israt Jahan Harine, Mohammad Rafiqul Islam, Mahmud Hossain, Hasina Afroz, Rounok Jahan, Abu Bakkar Siddique, Shihab Uddin, Mohammad Anwar Hossain, Saud Alamri, Manzer H. Siddiqui, Robert J. Henry. Arsenic Accumulation in Rice Grain as Influenced by Water Management: Human Health Risk Assessment. Agronomy. 2021; 11 (9):1741.

Chicago/Turabian Style

Israt Jahan Harine; Mohammad Rafiqul Islam; Mahmud Hossain; Hasina Afroz; Rounok Jahan; Abu Bakkar Siddique; Shihab Uddin; Mohammad Anwar Hossain; Saud Alamri; Manzer H. Siddiqui; Robert J. Henry. 2021. "Arsenic Accumulation in Rice Grain as Influenced by Water Management: Human Health Risk Assessment." Agronomy 11, no. 9: 1741.

Journal article
Published: 02 August 2021 in Sustainability
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A good understanding of nutrient release from manure or compost after application through mineralization is important to assure meeting the nutrient demand of crops, to secure timely fertilizer application and to enhance nutrient use efficiency. The current study was done to evaluate phosphorus (P) and sulphur (S) release patterns from different types of manures viz. cow dung, cow dung slurry, tricho-compost, vermicompost, poultry manure, poultry manure slurry and mungbean residues. The mineralization study was performed under aerobic (field capacity) and anaerobic (waterlogging) conditions for 180 days at 25 ± 1 °C in the laboratory. The release of P and S showed the highest values within 75–180 and 75–150 days, respectively, and was always higher in aerobic conditions than in anaerobic conditions. The first-order kinetic cumulative model was a good fit for mineralization, which was significantly influenced by manure type, soil moisture level and incubation period. Poultry manure slurry exerted the highest P and S release under both moisture conditions. Both slurries showed higher potential mineralization, with a lower rate constant for these elements compared to that in their manure states. Hence, appropriate manures should be chosen and applied in the proper quantity to provide exact amounts of nutrients, to increase crops nutrient use efficiency and to formulate correct fertilizer recommendations.

ACS Style

Mohammad Islam; Sultana Bilkis; Tahsina Hoque; Shihab Uddin; Mohammad Jahiruddin; Mohammad Rahman; Abu Siddique; Mohammad Hossain; Theodore Danso Marfo; Subhan Danish; Rahul Datta. Mineralization of Farm Manures and Slurries under Aerobic and Anaerobic Conditions for Subsequent Release of Phosphorus and Sulphur in Soil. Sustainability 2021, 13, 8605 .

AMA Style

Mohammad Islam, Sultana Bilkis, Tahsina Hoque, Shihab Uddin, Mohammad Jahiruddin, Mohammad Rahman, Abu Siddique, Mohammad Hossain, Theodore Danso Marfo, Subhan Danish, Rahul Datta. Mineralization of Farm Manures and Slurries under Aerobic and Anaerobic Conditions for Subsequent Release of Phosphorus and Sulphur in Soil. Sustainability. 2021; 13 (15):8605.

Chicago/Turabian Style

Mohammad Islam; Sultana Bilkis; Tahsina Hoque; Shihab Uddin; Mohammad Jahiruddin; Mohammad Rahman; Abu Siddique; Mohammad Hossain; Theodore Danso Marfo; Subhan Danish; Rahul Datta. 2021. "Mineralization of Farm Manures and Slurries under Aerobic and Anaerobic Conditions for Subsequent Release of Phosphorus and Sulphur in Soil." Sustainability 13, no. 15: 8605.