干旱区生态环境知识资源中心(Arid): High biomass production with abundant leaf litterfall is critical to ameliorating soil quality and productivity in reclaimed sandy desertification land

Arid

DOI	10.1016/j.jenvman.2020.110373
	High biomass production with abundant leaf litterfall is critical to ameliorating soil quality and productivity in reclaimed sandy desertification land
	Kurmangozhinov, Alzhan 1,2,3; Xue, Wei 1,2,4; Li, Xiangyi 1,2; Zeng, Fanjiang1,2 ; Sabit, Rapkat 1,2; Tusun, Tohtirijap 1,2
通讯作者	Xue, Wei ; Li, Xiangyi ; Zeng, Fanjiang
来源期刊	JOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN	0301-4797
EISSN	1095-8630
出版年	2020
卷号	263
英文摘要	Long-term data regarding soil properties and crop growth are powerful resources substantially contributing to our knowledge of soil-forming processes of reclaimed sandy desertification land. Generalized ecological principles derived from long-term observations that help to maintain or improve soil quality and productivity is critical for guiding field management practices while suitable for newly reclaimed sandy desertification land still need to be evaluated. Here, a 14-yr old experiment showed that soil quality index (SQI) had an increase-declinerecovery tendency in irrigation and fertilizer addition desertification lands while it remained at constantly low levels in desertification land with only irrigation. Stably decent yield and net incomes were obtained after 3-4 years' consecutive irrigation and fertilizer addition management. Correlation between crop productivity and SQI followed a saturation characteristic curve with threshold at 0.5, corresponding to soil organic carbon (SOC) similar to 5.0 g kg(-1), below which crop productivity was linearly declined. 60% of observed inter-annual variations in SQI were explained by quantity of leaf litter, which was three times higher than explanatory power of mot residue. No substantial changes occurred in soil mechanical components while the soil microbial biomass carbon, water-stable aggregate and heavy carbon pool in SOC were significantly improved by 2-9 folds in reclaimed desertification lands. Results revealed that increased biomass production with abundant residue retention is crucial for ameliorating soil quality, stabilizing high yield and economic gains, supporting the High Biomass Cropping System ecological hypothesis. Ecological limitations and opportunities to sustainable utilization of sandy desertification land were discussed.
英文关键词	Desertification land Soil quality Soil organic carbon Crop productivity Cotton Residue retention
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000530232700016
WOS关键词	ORGANIC-MATTER ; AGGREGATE STABILITY ; DRIVING FACTORS ; HEXI CORRIDOR ; PLANT INPUTS ; DESERT SOILS ; ARID REGION ; CARBON ; CONVERSION ; STORAGE
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	兰州大学 ; 中国科学院新疆生态与地理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/319277
作者单位	1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China; 2.Cele Natl Stn Observat & Res Desert Grassland Eco, Cele 848300, Peoples R China; 3.Univ Chinese Acad Sci, Beijing, Peoples R China; 4.Lanzhou Univ, Sch Life Sci, Inst Arid Agroecol, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Kurmangozhinov, Alzhan,Xue, Wei,Li, Xiangyi,et al. High biomass production with abundant leaf litterfall is critical to ameliorating soil quality and productivity in reclaimed sandy desertification land[J]. 兰州大学, 中国科学院新疆生态与地理研究所,2020,263.
APA	Kurmangozhinov, Alzhan,Xue, Wei,Li, Xiangyi,Zeng, Fanjiang,Sabit, Rapkat,&Tusun, Tohtirijap.(2020).High biomass production with abundant leaf litterfall is critical to ameliorating soil quality and productivity in reclaimed sandy desertification land.JOURNAL OF ENVIRONMENTAL MANAGEMENT,263.
MLA	Kurmangozhinov, Alzhan,et al."High biomass production with abundant leaf litterfall is critical to ameliorating soil quality and productivity in reclaimed sandy desertification land".JOURNAL OF ENVIRONMENTAL MANAGEMENT 263(2020).