Flooding dominates soil microbial carbon and phosphorus limitations in Poyang Lake wetland, China

Huang, Xingyun; Li, Yaxuan; Lin, Huiyin; Wen, Xiuting; Liu, Jie; Yuan, Zhifen; Fu, Chun; Zheng, Bofu; Gong, Leiqiang; Zhan, Huiying; Ni, Yu; Hu, Yang; Zhan, Peng; Shi, Yingkang; Rong, Jun; Shen, Ruichang

doi:10.1016/j.catena.2023.107468

Cited by 7 publications

(1 citation statement)

References 52 publications

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“…The input of excessive carbon sources in the RS mode might enhance the soil C/N ratio, result in soil loss, restrict the development of soil microorganisms, and reduce MBC content [55,56]. Moreover, flooding was the dominant driver of microbial C limitations [57]. Long-term integrated rice-crayfish coculture was significantly reduced microbial richness and diversity [17].…”

Section: Rice-crayfish Coculture System Weakened Soil Carbon Poolsmentioning

confidence: 99%

Effects of Long-Term Rice–Crayfish Coculture Systems on Soil Nutrients, Carbon Pools, and Rice Yields in Northern Zhejiang Province, China

Wang,

Zhang,

Chen

et al. 2024

Agronomy

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This research was to examine the impacts of long-term integrated rice–crayfish farming on soil nutrients, carbon pools, and rice yields in paddy fields. The aim was to establish a scientific basis for the sustainable development of RS in the northern region of Zhejiang. The results showed that the change from rice monoculture (CK) to rice–crayfish coculture systems (RS) led to a 24.99% increase in the 5-year average of soil ammonium nitrogen (AN), while the soil nitrate nitrogen (NN), available potassium (AK), and available phosphorus content (AP) decreased by 28.02%, 16.05%, and 28.76%, respectively. Moreover, the total organic carbon (TOC), easily oxidizable organic carbon (EOC), dissolved organic carbon (DOC), and microbial biomass carbon (MBC) exhibited a reduction of 2.45%, 8.82%, 35.31%, and 65.84%, respectively. Correlation analysis revealed a significant positive correlation between NN, EOC, and MBC in the RS mode. In terms of rice yield, the 5-year average of rice yield in RS decreased by 8.40% compared to CK. The mean yield of early-maturing rice varieties was reduced by 13.16%, while that of late-maturing rice varieties was reduced by 6.00%. These results shed light on the annual variation in soil nutrients, carbon pools, and rice yield in the RS mode, providing insights for the sustainable development of RS in northern Zhejiang.

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Section: Rice-crayfish Coculture System Weakened Soil Carbon Poolsmentioning

confidence: 99%

Effects of Long-Term Rice–Crayfish Coculture Systems on Soil Nutrients, Carbon Pools, and Rice Yields in Northern Zhejiang Province, China

Wang,

Zhang,

Chen

et al. 2024

Agronomy

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Arbuscular mycorrhizal fungal inoculum and N2-fixing plants in ecological reclamation of arid mining areas: nutrient limitation of the moss biocrust microbiome

Guo,

Bi,

et al. 2024

Environ Sci Pollut Res

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Importance of carbon and nitrogen availability to microbial necromass carbon accumulation in the drawdown area

Liao,

Nie,

Zeng

et al. 2024

CATENA

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Flooding dominates soil microbial carbon and phosphorus limitations in Poyang Lake wetland, China

Cited by 7 publications

References 52 publications

Effects of Long-Term Rice–Crayfish Coculture Systems on Soil Nutrients, Carbon Pools, and Rice Yields in Northern Zhejiang Province, China

Effects of Long-Term Rice–Crayfish Coculture Systems on Soil Nutrients, Carbon Pools, and Rice Yields in Northern Zhejiang Province, China

Arbuscular mycorrhizal fungal inoculum and N2-fixing plants in ecological reclamation of arid mining areas: nutrient limitation of the moss biocrust microbiome

Importance of carbon and nitrogen availability to microbial necromass carbon accumulation in the drawdown area

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