15. PARAMETER SENSITIVITY ASSESSMENT OF DNDC (DENITRIFICATION - DECOMPOSITION: DECOMPOSITION - DENITRIFICATION) MODEL WHEN CALCULATING N2O GREENHOUSE GAS EMISSIONS FROM MAIZE CULTIVATION

Trang Bui Thi Thu, Trinh Mai Van, Linh Hoang Tu, Huy Nguyen Duc, Huong Nguyen Thi Lan, Huong Nguyen Thu

Giới thiệu

This paper presents the results of the parameter sensitivity assessment of the DNDC (Denitrification - Decomposition: Decomposition - Denitrification) model when calculating N2O greenhouse gas emissions from maize cultivation. The research results show that water Conductivity, moisture saturation, ammonium concentration, nitrate concentration and soil salinity index are not affected; radiation quantity, wind regime, microbial activity index, porosity, rainwater collection index and lightning rate have little influence; the amount of fertilizer, temperature, rainfall, humidity, mechanical composition, soil C content, pH, field moisture, and topsoil density have the most influence. Research and select trial sites at Maize Research Institute, Dan Phuong, Hanoi, maize variety LVN17 to be planted in winter, on alluvial soil of the Red River. From the research results, the manager may propose measures to reduce N2O gas from the corn - growing process.

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Các tác giả

Trang Bui Thi Thu
btttrang@hunre.edu.vn (Liên hệ chính)
Trinh Mai Van
Linh Hoang Tu
Huy Nguyen Duc
Huong Nguyen Thi Lan
Huong Nguyen Thu
Bui Thi Thu, T., Mai Van, T., Hoang Tu, L., Nguyen Duc, H., Nguyen Thi Lan, H., & Nguyen Thu, H. (2022). 15. PARAMETER SENSITIVITY ASSESSMENT OF DNDC (DENITRIFICATION - DECOMPOSITION: DECOMPOSITION - DENITRIFICATION) MODEL WHEN CALCULATING N2O GREENHOUSE GAS EMISSIONS FROM MAIZE CULTIVATION. Tạp Chí Khoa học Tài Nguyên Và Môi trường, (43), 147–156. Truy vấn từ http://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/455
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