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Table 1 Regional crop-specific direct N2O emission factors for synthetic N fertilizer in Chinese uplands

From: Greenhouse gas emissions from synthetic nitrogen manufacture and fertilization for main upland crops in China

Agricultural region

Province

Direct N2O emission factor (kg N2O–N kg N−1)

Wheat

Maize

NEC

Liaoning, Jilin, Heilongjiang

–

0.0051

NC

Hebei, Shanxi, Shandong, Henan, Inner Mongolia

0.0028

0.0070

MLYR

Jiangsu, Anhui, Hubei

0.0086

0.0067

NWC

Shannxi, Gansu, Xinjiang

0.0032

0.0057

SSWC

Chongqing, Sichuan, Guizhou, Yunnan, Guangxi

0.0050

0.0047

  1. Data are from a study by Yue et al. [21]
  2. NEC Northeast China, NC North China, MLYR Middle and lower reaches of Yangtze River, NWC Northwest China, SSWC South and Southwest China
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Carbon Balance and Management

ISSN: 1750-0680

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