干旱区生态环境知识资源中心(Arid): Impacts of Land Use on Pools and Indices of Soil Organic Carbon and Nitrogen in the Ghaggar Flood Plains of Arid India

Arid

DOI	10.3390/land11081180
	Impacts of Land Use on Pools and Indices of Soil Organic Carbon and Nitrogen in the Ghaggar Flood Plains of Arid India
	Moharana, Pravash Chandra; Meena, Roshan Lal; Nogiya, Mahaveer; Jena, Roomesh Kumar; Sharma, Gulshan Kumar; Sahoo, Sonalika; Jha, Prakash Kumar; Aditi, Kumari; Vara Prasad, P. V.
通讯作者	Sharma, GK
来源期刊	LAND
EISSN	2073-445X
出版年	2022
卷号	11 期号:8
英文摘要	Changes in land use have several impacts on soil organic carbon (C) and nitrogen (N) cycling, both of which are important for soil stability and fertility. Initially, the study area was barren uncultivated desert land. During the late 1960s, the introduction of a canal in the arid region converted the barren deserts into cultivated land. The objectives of the present study were to evaluate the effects of various land use systems on temporal changes in soil organic C and N pools, and to evaluate the usefulness of different C and N management indices for suitable and sustainable land use systems under arid conditions. We quantified soil organic C and N pools in five different land uses of the Ghaggar flood plains, in hot, arid Rajasthan, India. The study focused on five land use systems: uncultivated, agroforestry, citrus orchard, rice-wheat, and forage crop. These land use systems are >= 20 years old. Our results showed that total organic carbon (TOC) was highest (7.20 g kg(-1)) in the forage crop and lowest in uncultivated land (3.10 g kg(-1)), and it decreased with depth. Across different land uses, the very labile carbon (VLC) fraction varied from 36.11 to 42.74% of TOC. In comparison to the uncultivated system, forage cropping, rice-wheat, citrus orchard, and agroforestry systems increased active carbon by 103%, 68.3%, 42.5%, and 30.6%, respectively. Changes in management and land use are more likely to affect the VLC. In soil under the forage crop, there was a considerable improvement in total N, labile N, and mineral N. Lability index of C (LIC), carbon management index (CMI), and TOC/clay indices were more sensitive to distinguishing land uses. The highest value of CMI was observed in the forage crop system followed by rice-wheat and agroforestry. In the long term, adoption of the forage crop increased soil quality in the hot, arid desert environment by enhancing CMI and VLC, which are the useful parameters for assessing the capacity of land use systems to promote soil quality.
英文关键词	carbon and nitrogen pools soil quality carbon and nitrogen management index land use arid environment
类型	Article
语种	英语
开放获取类型	gold
收录类别	SSCI
WOS记录号	WOS:000845503100001
WOS关键词	MANAGEMENT INDEX ; CROPPING SYSTEM ; MATTER ; FRACTIONS ; QUALITY ; AGGREGATION ; CULTIVATION ; OXIDATION ; CLIMATE ; REGION
WOS类目	Environmental Studies
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/393686
推荐引用方式 GB/T 7714	Moharana, Pravash Chandra,Meena, Roshan Lal,Nogiya, Mahaveer,et al. Impacts of Land Use on Pools and Indices of Soil Organic Carbon and Nitrogen in the Ghaggar Flood Plains of Arid India[J],2022,11(8).
APA	Moharana, Pravash Chandra.,Meena, Roshan Lal.,Nogiya, Mahaveer.,Jena, Roomesh Kumar.,Sharma, Gulshan Kumar.,...&Vara Prasad, P. V..(2022).Impacts of Land Use on Pools and Indices of Soil Organic Carbon and Nitrogen in the Ghaggar Flood Plains of Arid India.LAND,11(8).
MLA	Moharana, Pravash Chandra,et al."Impacts of Land Use on Pools and Indices of Soil Organic Carbon and Nitrogen in the Ghaggar Flood Plains of Arid India".LAND 11.8(2022).