Assessment of extractable carbon and nitrogen mineralization in paddy soil under Fenton reaction
Tập 134 Số 1S-3 (2025), Special Issue: CBA 2025
Tập 134 Số 1S-3 (2025)

Assessment of extractable carbon and nitrogen mineralization in paddy soil under Fenton reaction

Special Issue: CBA 2025
https://doi.org/10.26459/hueunijns.v134i1S-3.7989
Đã xuất bản 2025-12-26
Phuong Nguyen Thi Linh
Faculty of Biology and Environment, University of Education - University of Danang, 459 Ton Duc Thang, Danang, Vietnam
Hoang Phan Xuan
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Ngan Le ngoc Hanh
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Yen Nguyen Thi Thuy
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Huy Van Tran Duc
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Vuong Pham Thanh
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Hanh Do Hong
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Phu Tran Thi
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
Thuy Phan Thi
Faculty of Agronomy, Vietnam National University of Agriculture, Trau Quy, Gia Lam, Hanoi, Vietnam
Toan Nguyen Sy
Faculty of Chemical and Environmental Technology, University of Technical Education - Danang University, 48 Cao Thang, Danang, Vietnam
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Từ khóa

Fenton
Nitrogen mineralization
DOC
PCA Fenton
Nitrogen mineralization
DOC
PCA

Cách trích dẫn

1.
Nguyen Thi Linh P, Phan Xuan H, Le ngoc Hanh N, Nguyen Thi Thuy Y, Van Tran Duc H, Pham Thanh V, Do Hong H, Tran Thi P, Phan Thi T, Nguyen Sy T. Assessment of extractable carbon and nitrogen mineralization in paddy soil under Fenton reaction. hueuni-jns [Internet]. 26 Tháng Chạp 2025 [cited 28 Tháng Chạp 2025];134(1S-3):115-23. Available at: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/7989
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Tóm tắt

Nghiên cứu này nhằm đánh giá ảnh hưởng của các biện pháp xử lý khác nhau, bao gồm rơm rạ, thuốc thử Fenton, và sự kết hợp giữa rơm rạ và Fenton, đến quá trình phân hủy chất hữu cơ và khoáng hóa nitơ trong đất. Các chỉ tiêu được phân tích bao gồm carbohydrate chiết xuất (ECH), tổng carbon hữu cơ hòa tan (DOC), amoni (NH₄⁺), nitrat (NO₃⁻), và tổng nitơ vô cơ. Kết quả cho thấy xử lý Fenton làm tăng đáng kể hàm lượng NH₄⁺ (23,65 mg/kg) và tỷ lệ nitơ vô cơ trên tổng nitơ (20,30%), phản ánh khả năng khoáng hóa mạnh mẽ. Trong khi đó, xử lý kết hợp cho kết quả nồng độ NO₃⁻ thấp nhất, cho thấy khả năng giữ lại hoặc thất thoát nitơ tiềm năng. Phân tích thành phần chính (PCA) cho thấy sự phân nhóm rõ rệt giữa các biện pháp xử lý, trong đó DOC và NH₄⁺ là những biến đóng góp chính. Những phát hiện này cung cấp cơ sở khoa học cho việc lựa chọn phương pháp xử lý phù hợp nhằm nâng cao khả năng cung cấp dinh dưỡng của đất trong hệ thống canh tác nông nghiệp.

https://doi.org/10.26459/hueunijns.v134i1S-3.7989
PDF (English)

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