Publications by authors named "Pei-Jiao Fu"
Article Synopsis
- The study investigates how different timings of nitrogen application affect maize yield and soil nitrogen oxide (NO) emissions, crucial for both productivity and environmental impact.
- It reveals that more frequent nitrogen applications lead to increased soil acidification and higher NO emissions, with the best yield and lower emissions observed in the one-time application treatment (S1).
- The research also finds a positive correlation between NO emissions and certain nitrogen conversion functional genes, indicating that application timing can influence both crop performance and greenhouse gas release.
Alternating dry and wet conditions affect the main processes of NO production, such as nitrification and denitrification. Such conditions are very common in tropical rice-growing areas, such as Hainan. As a type of soil amendment, biochar is widely used to improve physical and chemical properties of soil and to reduce soil greenhouse gas emissions.
View Article and Find Full Text PDFBased on the rice-vegetable crop rotation model, in-situ measurements of nitrous oxide (NO) and methane (CH) emissions were conducted in double-cropping rice fields in Hainan to determine the impact of coconut chaff biochar on greenhouse gas emissions. The experiment involved four treatments:conventional farming fertilization (CON), nitrogen fertilizer combined with 20 t ·hm biochar (B1), nitrogen fertilizer combined with 40 t ·hm biochar (B2), and no nitrogen fertilizer, as the control (CK). The NO and CH emissions were measured using static chamber-gas chromatography during the two paddy seasons, and the global warming potential (GWP) and greenhouse gas intensity (GHGI) were also estimated.
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