Organic amendment increases soil respiration in a greenhouse vegetable production system through decreasing soil organic carbon recalcitrance and increasing carbon-degrading microbial activity
文献类型： 外文期刊
作者： Luan, Haoan 1 ; Gao, Wei 3 ; Huang, Shaowen 1 ; Tang, Jiwei 1 ; Li, Mingyue 3 ; Zhan, Huaizhi 1 ; Chen, Xinping 2 ; Masil 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Minist Agr, Key Lab Plant Nutr & Fertilizer, Beijing 100081, Peoples R China
2.China Agr Univ, Ctr Resources Environm & Food Secur, Beijing 100193, Peoples R China
3.Tianjin Inst Agr Resources & Environm, Tianjin 300192, Peoples R China
4.Wageningen Univ, Lab Geoinformat Sci & Remote Sensing, POB 47, NL-6700 AA Wageningen, Netherlands
关键词： Soil respiration; Soil organic C quality; Microbial community composition; C-degrading enzyme activity; Greenhouse vegetable production
期刊名称：JOURNAL OF SOILS AND SEDIMENTS （ 影响因子：3.308； 五年影响因子：3.586 ）
ISSN： 1439-0108
年卷期： 2020 年 20 卷 7 期
页码：
收录情况： SCI
摘要： Purpose Recent works have shown that fertilization has an important influence on soil respiration (Rs); however, the underlying mechanisms involved in regulating Rs in greenhouse vegetable production (GVP) systems remain unclear. Materials and methods Samples from six kinds of soils that were amended with different fertilization patterns (8 years) were incubated for 36 days to determine soil microbial community (PLFA), enzyme activities, soil organic C (SOC) quality (C-13 NMR), and Rs in a GVP system in Tianjin, China. Treatments included 100% chemical N (CN) and different substitution rates of CN with manure-N and/or straw-N. Results and discussion Compared with 100%CN treatment, organic amendment strongly promoted microbial (e.g., fungi, bacteria, and actinomycetes) growth, enhanced the majority of C-degrading enzyme activities, affected SOC chemical composition with increasing O-alkyl (labile) C and reducing aromatic (stable) C, decreased SOC recalcitrance, and enhanced Rs. Redundancy analysis indicated that variations in microbial community and SOC chemical composition were closely linked to light fraction organic C (LFC) and readily oxidizable C (ROC), respectively. Further, structural equation modeling and linear regression analysis revealed that SOC recalcitrance (negative effects) and C-degrading enzyme activities (positive effects) together mediate Rs rates; meanwhile, microbial community can indirect affect Rs rates through altering C-degrading enzyme activities. Conclusions Agricultural soil abiotic properties (mainly labile C fractions, i.e., LFC and ROC) are altered by adding organic resources (i.e., manure and straw), the changes of which can promote soil microbial growth, enhance C-degrading microbial activity, and reduce SOC recalcitrance, and in turn accelerate Rs in GVP systems.
- 相关文献
作者其他论文 更多>>
-
Translatome and Transcriptome Analyses Reveal the Mechanism that Underlies the Enhancement of Salt Stress by the Small Peptide Ospep5 in Plants
作者：Wang, Jinyan;Li, Yang;Li, Mingyue;Zhang, Wenting;Ling, Xitie;Chen, Tianzi;Guo, Dongshu;Yang, Yuwen;Liu, Qing;Zhang, Baolong;Wang, Jinyan;Li, Yang;Li, Mingyue;Zhang, Wenting;Ling, Xitie;Chen, Tianzi;Guo, Dongshu;Yang, Yuwen;Liu, Qing;Zhang, Baolong;Wang, Jinyan;Chen, Tianzi;Guo, Dongshu;Yang, Yuwen;Liu, Qing;Zhang, Baolong;Zheng, Zhongbing;Zhang, Baolong;Liu, Qing;Lu, Yaping;Hua, Kai
关键词：translatome; transcriptome; peptidome; small peptides; rice salt tolerance
-
Temperature Matters More than Fertilization for Straw Decomposition in the Soil of Greenhouse Vegetable Field
作者：Ma, Long;Tang, Jiwei;Huang, Shaowen;Li, Ruonan;Wang, Liying;Luan, Haoan
关键词：greenhouse vegetables; straw decomposition; incubation temperatures; fertilization treatments; enzyme activity
-
Yield, nutritional and flavor quality of Chinese cabbage under different rates of chicken manure substituted for chemical fertilizer
作者：Zhang, Yuwei;Tang, Shan;Jin, Qi;Li, Ya-li;Wang, Hong;Huang, Shao Wen;Tang, Shan;Gao, Wei
关键词：Chinese cabbage; Chicken manure; Nutritional and flavor quality; Mineral elements; Volatiles
-
Effects of long-term partial substitution of inorganic fertilizer with pig manure and/or straw on nitrogen fractions and microbiological properties in greenhouse vegetable soils
作者：Yuan, Shuo;Tang, Jiwei;Ji, Hongjie;Huang, Shaowen;Li, Ruonan;Wang, Liying;Zhang, Yinjie;Luan, Hao'an
关键词：organic substitution management; greenhouse vegetable production; N fractions; microbial community composition; extracellular enzyme activity; enzyme stoichiometry coefficients
-
Linking soil organic carbon characteristics, nutrient stoichiometry, and microbial community to eco-enzymatic stoichiometry within aggregates in different aged walnut plantations
作者：Zhao, Yaqi;Zhang, Xuemei;Qi, Guohui;Luan, Haoan;Yang, Wenfang;Huang, Shaohui;Liu, Yingru;Li, Yanli
关键词：Eco-enzymatic stoichiometry; Microbial traits; Organic C thermal characteristics; Soil aggregates
-
Long-term partial substitution of chemical fertilizer by organic amendments influences soil microbial functional diversity of phosphorus cycling and improves phosphorus availability in greenhouse vegetable production
作者：Zhang, Yinjie;Ma, Long;Tang, Jiwei;Huang, Shaowen;Wang, Lei;Gao, Wei;Li, Mingyue;Luan, Haoan;Li, Ruonan
关键词：Soil phosphorus cycling; Metagenome; gcd gene; P solubilization; Genome
-
Soil organic carbon stability mediate soil phosphorus in greenhouse vegetable soil by shifting phoD-harboring bacterial communities and keystone taxa
作者：Chen, Shuo;Zhang, Shuai;Wei, Lulu;Li, Ji;Chen, Qing;Zhang, Tao;Wang, Liying;Li, Naihui;Wei, Xiaomeng;Wei, Yuquan;Li, Ji;Huang, Shaowen;Bolan, Nanthi S.;Bolan, Nanthi S.
关键词：Soil phosphorus; Soil organic carbon; Greenhouse soil; Manure; Straw; phoD gene community
