干旱区生态环境知识资源中心(Arid): Radish cover crop and manure alter organic carbon characteristics and improve soil physicochemical properties as well as wolfberry yields

Arid

DOI	10.1016/j.agee.2024.109097
	Radish cover crop and manure alter organic carbon characteristics and improve soil physicochemical properties as well as wolfberry yields
	Wang, Fang; Li, Wenhui; Gao, Yamiao; Zhu, Lizhen; Chen, Haonan; Yang, Liu; Weil, Ray R.; Wang, Tiannan; Nan, Xiongxiong
通讯作者	Nan, XX
来源期刊	AGRICULTURE ECOSYSTEMS & ENVIRONMENT
ISSN	0167-8809
EISSN	1873-2305
出版年	2024
卷号	371
英文摘要	Cover crops are widely used to increase soil organic carbon (SOC) stocks in agroecosystems. However, the effects of cover crops on the labile fractions and chemical composition of SOC, as well as the consequences for fruit yield in manure-applied orchards are still unclear. Here, we conducted two field experiments in an arid area of Northwest China to explore the responses of soil physicochemical properties, SOC characteristics, and wolfberry ( Lycium barbarum L.) yield to cover cropping and manure application rate. Decomposed sheep manure was incorporated into the soil at 0, 6660, and 13,320 kg.hm(-2) in the absence (wolfberry monocropping) and presence (cover cropping) of forage radish ( Raphanus sativus L.). Lower soil bulk density and higher total nitrogen, available nitrogen, available potassium, and dissolved organic carbon contents were observed under cover cropping compared to monocropping (p < 0.05). The contents of SOC and its labile fractions showed the greatest response to cover cropping with medium manure rate, which resulted in the highest wolfberry yield. Solid-state C-13 nuclear magnetic resonance analysis identified O-alkyl carbon (26.2 -52.4%) as the dominant SOC functional group across all treatments, followed by alkyl carbon (15.9 -34.5%) and aromatic carbon (9.7-35.2%). The relative abundance of alkyl carbon trended higher under cover cropping in Yinchuan (by 1.1%) and Zhongning (by 21.3%), whereas manure application rate did not affect the chemical composition of SOC. Structural equation modeling revealed that cover cropping contributed to wolfberry yield in manure-applied fields directly or indirectly by altering SOC composition and improving labile SOC accumulation as well as soil physicochemical properties. Findings of this study are helpful to enhance soil carbon management and wolfberry orchard productivity in arid areas.
英文关键词	Cover cropping Animal manure Labile organic carbon Chemical composition Fruit yield
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001247178000001
WOS关键词	CHEMICAL-COMPOSITION ; MATTER ; FRACTIONS ; NITROGEN ; QUALITY ; MAIZE ; NMR
WOS类目	Agriculture, Multidisciplinary ; Ecology ; Environmental Sciences
WOS研究方向	Agriculture ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/402705
推荐引用方式 GB/T 7714	Wang, Fang,Li, Wenhui,Gao, Yamiao,et al. Radish cover crop and manure alter organic carbon characteristics and improve soil physicochemical properties as well as wolfberry yields[J],2024,371.
APA	Wang, Fang.,Li, Wenhui.,Gao, Yamiao.,Zhu, Lizhen.,Chen, Haonan.,...&Nan, Xiongxiong.(2024).Radish cover crop and manure alter organic carbon characteristics and improve soil physicochemical properties as well as wolfberry yields.AGRICULTURE ECOSYSTEMS & ENVIRONMENT,371.
MLA	Wang, Fang,et al."Radish cover crop and manure alter organic carbon characteristics and improve soil physicochemical properties as well as wolfberry yields".AGRICULTURE ECOSYSTEMS & ENVIRONMENT 371(2024).