Organic carbon content and its liable components in paddy soil under water-saving irrigation

被引：9

作者：

Ma, Yan ^{[1
,2
]}

Xu, Junzeng ^{[1
,2
]}

Wei, Qi ^{[1
]}

Yang, Shihong ^{[1
]}

Liao, Linxian ^{[1
,2
]}

Chen, Suyan ^{[1
,2
]}

Liao, Qi ^{[1
,2
]}

机构：

[1] Hohai Univ, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Jiangsu, Peoples R China

[2] Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing, Jiangsu, Peoples R China

来源：

PLANT SOIL AND ENVIRONMENT | 2017年 / 63卷 / 03期

关键词：

water management; drying-wetting cycle; precipitation; soil carbon sequestration; soil respiration; MICROBIAL COMMUNITY DYNAMICS; GREENHOUSE-GAS EMISSIONS; NITROGEN MINERALIZATION; AGGREGATE STABILITY; WETTING CYCLES; BIOMASS-C; MATTER; MOISTURE; RESPIRATION; FRACTIONS;

D O I：

10.17221/817/2016-PSE

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Variation of soil organic carbon (SOC) and its liable fractions under non-flooding irrigation (NFI) were investigated. In NFI paddies, the soil microbial biomass carbon (SMBC) and water extractable organic carbon (SWEC) content in 0-40 cm soil increased by 1.73-21.74% and 1.44-30.63%, and SOC in NFI fields decreased by 0.90-18.14% than in flooding irrigation (FI) fields. As a result, the proportion of SMBC or SWEC to SOC increased remarkably. It is attributed to the different water and aeration conditions between FI and NFI irrigation. The non-flooding water-saving irrigation increased soil microbial activity and mineralization of SOC, which broke down more soil organic nutrients into soluble proportion and is beneficial for soil fertility, but might lead to more CO2 emission and degradation in carbon sequestration than FI paddies.

引用

页码：125 / 130

页数：6

共 50 条

[41] Response of Vertical Migration and Leaching of Nitrogen in Percolation Water of Paddy Fields under Water-Saving Irrigation and Straw Return Conditions
Zheng, Chengxin
Zhang, Zhanyu
Wu, Yunyu
Mwiya, Richwell
WATER, 2019, 11 (04):
[42] Effect of Biochar Addition on N2O Emission from Paddy Field under Water-Saving Irrigation
Yang, Shi-Hong
Xiao, Ya-Nan
Xu, Jun-Zeng
Jiao, Xi-Yun
INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY, 2018, 20 (06) : 1260 - 1266
[43] Evaluation of Growth, Yield, and Water Productivity of Paddy Rice with Water-Saving Irrigation and Optimization of Nitrogen Fertilization
Mboyerwa, Primitiva Andrea
Kibret, Kibebew
Mtakwa, Peter W.
Aschalew, Abebe
AGRONOMY-BASEL, 2021, 11 (08):
[44] Effects of Biochar on the Net Greenhouse Gas Emissions under Continuous Flooding and Water-Saving Irrigation Conditions in Paddy Soils
Qi, Le
Niu, Hai-Dong
Zhou, Peng
Jia, Rui-Jie
Gao, Ming
SUSTAINABILITY, 2018, 10 (05)
[45] IMPACT OF CONTROLLED-RELEASE NITROGEN FERTILIZERS ON AMMONIA VOLATILIZATION FROM PADDY FIELDS UNDER WATER-SAVING IRRIGATION
Yang, Shihong
Li, Jiwen
Xu, Junzeng
FRESENIUS ENVIRONMENTAL BULLETIN, 2018, 27 (11): : 7139 - 7147
[46] Study on the Law of Nitrogen Transfer and Conversion and Use of Fertilizer Nitrogen in Paddy Fields under Water-Saving Irrigation Mode
Xiao, Menghua
Li, Yuanyuan
Wang, Jianwen
Hu, Xiujun
Wang, Lei
Miao, Zimei
WATER, 2019, 11 (02):
[47] Effect of biochar addition on CO2 exchange in paddy fields under water-saving irrigation in Southeast China
Yang, Shihong
Sun, Xiao
Ding, Jie
Jiang, Zewei
Liu, Xiaoyin
Xu, Junzeng
JOURNAL OF ENVIRONMENTAL MANAGEMENT, 2020, 271
[48] Nitrogen economy and water productivity of lowland rice under water-saving irrigation
Belder, P
Spiertz, JHJ
Bouman, BAM
Lu, G
Tuong, TP
FIELD CROPS RESEARCH, 2005, 93 (2-3) : 169 - 185
[49] Rice evapotranspiration at the field and canopy scales under water-saving irrigation
Liu, Xiaoyin
Xu, Junzeng
Yang, Shihong
Zhang, Jiangang
METEOROLOGY AND ATMOSPHERIC PHYSICS, 2018, 130 (02) : 227 - 240
[50] Water-saving irrigation strategies affect tuber water relations and nitrogen content of potatoes
Ahmadi, S. H.
Agharezaee, M.
Kamgar-Haghighi, A. A.
Sepaskhah, A. R.
INTERNATIONAL JOURNAL OF PLANT PRODUCTION, 2016, 10 (03) : 275 - 288

← 1 2 3 4 5 →