干旱区生态环境知识资源中心(Arid): Field-scale distribution and heterogeneity of soil salinity in the mulched-drip-irrigation cotton field

Arid

DOI	10.1080/03650340.2018.1562273
	Field-scale distribution and heterogeneity of soil salinity in the mulched-drip-irrigation cotton field
	Xing, Xuguang 1; Du, Wei 2; Ma, Xiaoyi 1
通讯作者	Ma, Xiaoyi
来源期刊	ARCHIVES OF AGRONOMY AND SOIL SCIENCE
ISSN	0365-0340
EISSN	1476-3567
出版年	2019
卷号	65 期号:9 页码:1248-1261
英文摘要	Salts widely distribute in cropland in extreme arid region and characterizing its distribution and spatiotemporal variability would provide both agronomic and environmental information. We investigated the spatial variation and temporal stability of soil salinity (0-40 cm) in field-scale mulched-drip-irrigation cotton field. Spatial behavior showed the salinity for 0-20 cm changed with more fluctuations than for 20-40 cm due to its sensitivity to irrigation and sunshine. Besides, the variability belonged to moderate variation with coefficients of 0.54-0.69. Temporal behavior showed the variability belonged to medium-to-strong variation over a cotton growing period with average coefficients of 0.66-0.85. Besides, the salinity for 20-30 cm during the growing period had the strongest stability due to the smallest rangeability of mean relative deviation of -0.68-0.90 and mean standard deviation of 0.40. Furthermore, based on the principles of near-zero and small SD, the stability of the soil-salt spatial patterns over time and along the soil profile allowed us to identify only 3 locations among 36 sampling points well-represented the field-average soil salinity for 0-10, 10-30 and 30-40 cm, respectively. At least non-strong spatial variation may be the foundation of the selection of locations with temporal stability. [GRAPHICS]
英文关键词	Spatiotemporal variation temporal stability relative deviation (RD) standard deviation (SD)
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000467751800005
WOS关键词	WATER-CONTROLLED ECOSYSTEMS ; GRAVEL-SAND MULCH ; TEMPORAL STABILITY ; LAND-USE ; SPATIAL VARIABILITY ; LOESS PLATEAU ; INFILTRATION CHARACTERISTICS ; ELECTRICAL-CONDUCTIVITY ; HYDROLOGIC PROCESSES ; AGGREGATE STABILITY
WOS类目	Agronomy ; Soil Science
WOS研究方向	Agriculture
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/214367
作者单位	1.Northwest A&F Univ, Minist Educ, Key Lab Agr Soil & Water Engn Arid Area, Yangling, Shaanxi, Peoples R China; 2.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Xing, Xuguang,Du, Wei,Ma, Xiaoyi. Field-scale distribution and heterogeneity of soil salinity in the mulched-drip-irrigation cotton field[J]. 西北农林科技大学,2019,65(9):1248-1261.
APA	Xing, Xuguang,Du, Wei,&Ma, Xiaoyi.(2019).Field-scale distribution and heterogeneity of soil salinity in the mulched-drip-irrigation cotton field.ARCHIVES OF AGRONOMY AND SOIL SCIENCE,65(9),1248-1261.
MLA	Xing, Xuguang,et al."Field-scale distribution and heterogeneity of soil salinity in the mulched-drip-irrigation cotton field".ARCHIVES OF AGRONOMY AND SOIL SCIENCE 65.9(2019):1248-1261.