Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China

IMR OpenIR

	Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China
其他题名	Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China
	Cui Yuefeng 1; Meng Jun 1; Wang Qingxiang 1; Zhang Weiming 1; Cheng Xiaoyi 1; Chen Wenfu 1
	2017
发表期刊	JOURNAL OF INTEGRATIVE AGRICULTURE
ISSN	2095-3119
卷号	16 期号:5 页码:1064-1074
摘要	The additions of straw and biochar have been suggested to increase soil fertility, carbon sequestration, and crop productivity of agricultural lands. To our knowledge, there is little information on the effects of straw and biochar addition on soil nitrogen form, carbon storage, and super rice yield in cold waterlogged paddy soils. We performed field trials with four treatments including conventional fertilization system (CK), straw amendment 6 t ha(-1) (S), biochar amendment 2 t ha(-1) (C1), and biochar amendment 40 t he (C2). The super japonica rice variety, Shennong 265, was selected as the test crop. The results showed that the straw and biochar amendments improved total nitrogen and organic carbon content of the soil, reduced N2O emissions, and had little influence on nitrogen retention, nitrogen density, and CO2 emissions. The S and Cl increased NH4+-N content, and C2 increased NO3+-N content. Both S and C1 had little influence on soil organic carbon density (SOCD) and C/N ratio. However, C2 greatly increased SOCD and C/N ratio. C1 and C2 significantly improved the soil carbon sequestration (SCS) by 62.9 and 214.0% (P < 0.05), respectively, while S had no influence on SCS. C1 and C2 maintained the stability of super rice yield, and significantly reduced CH4 emissions, global warming potential (GWP), and greenhouse gas intensity (GHGI), whereas S had the opposite and negative effects. In summary, the biochar amendments in cold waterlogged paddy soils of North China increased soil nitrogen and carbon content, improved soil carbon sequestration, and reduced GHG emission without affecting the yield of super rice.
其他摘要	The additions of straw and biochar have been suggested to increase soil fertility, carbon sequestration, and crop productivity of agricultural lands. To our knowledge, there is little information on the effects of straw and biochar addition on soil nitrogen form, carbon storage, and super rice yield in cold waterlogged paddy soils. We performed field trials with four treatments including conventional fertilization system (CK), straw amendment 6 t ha~(–1) (S), biochar amendment 2 t ha~(–1) (C1), and biochar amendment 40 t ha~(–1) (C2). The super japonica rice variety, Shennong 265, was selected as the test crop. The results showed that the straw and biochar amendments improved total nitrogen and organic carbon content of the soil, reduced N_2O emissions, and had little influence on nitrogen retention, nitrogen density, and CO_2 emissions. The S and C1 increased NH_4~+-N content, and C2 increased NO_3~–-N content. Both S and C1 had little influence on soil organic carbon density (SOCD) and C/N ratio. However, C2 greatly increased SOCD and C/N ratio. C1 and C2 significantly improved the soil carbon sequestration (SCS) by 62.9 and 214.0% (P<0.05), respectively, while S had no influence on SCS. C1 and C2 maintained the stability of super rice yield, and significantly reduced CH_4 emissions, global warming potential (GWP), and greenhouse gas intensity (GHGI), whereas S had the opposite and negative effects. In summary, the biochar amendments in cold waterlogged paddy soils of North China increased soil nitrogen and carbon content, improved soil carbon sequestration, and reduced GHG emission without affecting the yield of super rice.
关键词	DECREASING METHANE EMISSION CROP PRODUCTIVITY BLACK CARBON N2O FERTILIZER AMENDMENT CHARCOAL AVAILABILITY MANAGEMENT PYROLYSIS biochar straw paddy field nitrogen form carbon sequestration greenhouse gas emission rice yield
收录类别	CSCD
语种	英语
资助项目	[Science and Technology Consulting Program of Chinese Academy of Engineering] ; [Key Technologies R&D Program of China during the 12th Five -Year Plan period] ; [Special Fund forAgro-scientific Research in Public Interest of China] ; [Basic Research Foundation of Shenyang Science and Technology Program, China] ; [Program for Changjiang Scholars and Innovative Research Team in University, China]
CSCD记录号	CSCD:5991332
引用统计	被引频次：15[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/142787
专题	中国科学院金属研究所
作者单位	1.中国科学院金属研究所 2.Tieling Acad Agr Science, Tieling 112616, Peoples R China
推荐引用方式 GB/T 7714	Cui Yuefeng,Meng Jun,Wang Qingxiang,et al. Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China[J]. JOURNAL OF INTEGRATIVE AGRICULTURE,2017,16(5):1064-1074.
APA	Cui Yuefeng,Meng Jun,Wang Qingxiang,Zhang Weiming,Cheng Xiaoyi,&Chen Wenfu.(2017).Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China.JOURNAL OF INTEGRATIVE AGRICULTURE,16(5),1064-1074.
MLA	Cui Yuefeng,et al."Effects of straw and biochar addition on soil nitrogen, carbon, and super rice yield in cold waterlogged paddy soils of North China".JOURNAL OF INTEGRATIVE AGRICULTURE 16.5(2017):1064-1074.