Effects of nitrogen addition amount and frequency on soil respiration and its components in a temperate semiarid grassland

Yang, Zhongling; Gamadaerji,; Tan, Xingru; You, Cuihai; Wang, Yanbing; Yang, Junjie; Han, Xingguo; Chen, Shiping

doi:10.17521/cjpe.2020.0171

Chinese Journal of Plant Ecology

2020

DOI: 10.17521/cjpe.2020.0171

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Effects of nitrogen addition amount and frequency on soil respiration and its components in a temperate semiarid grassland

Zhongling Yang¹,

Gamadaerji Gamadaerji²,

Xingru Tan³

et al.

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2024

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Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

Zhan,

Li,

Cheng

et al. 2024

Ecological Engineering

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Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

Zhan,

Li,

Cheng

et al. 2024

Ecological Engineering

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The responses of CO₂ emission to nitrogen application and earthworm addition in the soybean cropland

Jiang,

Yang,

et al. 2024

PeerJ

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The effects of nitrogen application or earthworms on soil respiration in the Huang-Huai-Hai Plain of China have received increasing attention. However, the response of soil carbon dioxide (CO2) emission to nitrogen application and earthworm addition is still unclear. A field experiment with nitrogen application frequency and earthworm addition was conducted in the Huang-Huai-Hai Plain. Results showed nitrogen application frequency had a significant effect on soil respiration, but neither earthworms nor their interaction with nitrogen application frequency were significant. Low-frequency nitrogen application (NL) significantly increased soil respiration by 25%, while high-frequency nitrogen application (NH), earthworm addition (E), earthworm and high-frequency nitrogen application (E*NH), and earthworm and low-frequency nitrogen application (E*NL) also increased soil respiration by 21%, 21%, 12%, and 11%, respectively. The main reason for the rise in soil respiration was alterations in the bacterial richness and keystone taxa (Myxococcales). The NH resulted in higher soil nitrogen levels compared to NL, but NL had the highest bacterial richness. The abundance of Corynebacteriales and Gammaproteobacteria were positively connected with the CO2 emissions, while Myxococcales, Thermoleophilia, and Verrucomicrobia were negatively correlated. Our findings indicate the ecological importance of bacterial communities in regulating the carbon cycle in the Huang-Huai-Hai Plain.

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Effects of nitrogen addition amount and frequency on soil respiration and its components in a temperate semiarid grassland

Cited by 2 publications

References 0 publications

Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

The responses of CO₂ emission to nitrogen application and earthworm addition in the soybean cropland

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Effects of nitrogen addition amount and frequency on soil respiration and its components in a temperate semiarid grassland

Cited by 2 publications

References 0 publications

Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

Effect of N addition and litter manipulation on plant community productivity in the semiarid sandy grassland

The responses of CO2 emission to nitrogen application and earthworm addition in the soybean cropland

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Product

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The responses of CO₂ emission to nitrogen application and earthworm addition in the soybean cropland