Vertical distribution of soil available phosphorus and soil available potassium in the critical zone on the Loess Plateau, China

doi:10.1038/s41598-021-82677-4

	Vertical distribution of soil available phosphorus and soil available potassium in the critical zone on the Loess Plateau, China
	Tian, Hanyang 1,2; Qiao, Jiangbo 3; Zhu, Yuanjun 2,3; Jia, Xiaoxu 4; Shao, Ming'an 3,4
刊名	SCIENTIFIC REPORTS
	2021-02-04
卷号	11 期号:1 页码:10
ISSN号	2045-2322
DOI	10.1038/s41598-021-82677-4
通讯作者	Zhu, Yuanjun(zhuyuanjun@foxmail.com)
英文摘要	Soil available phosphorus (SAP) and soil available potassium (SAK) are important elements in the growth of plants. However, limited data are available regarding the vertical distribution of SAP and SAK in deep soil profiles. In this study, we investigated the vertical variations in SAP and SAK in the critical zone on the Loess Plateau (50-200 m), China, by using classical statistical and geostatistical methods. The soil samples were collected from the top of the soil profile down to the bedrock by soil core drilling at five typical sites. SAP decreased throughout the profile. Whereas the SAK exhibited an increasing trend at all sites. The mean SAP concentration ranged from 0.94 to 32.56 mg kg(-1) at the sampling sites and the SAK concentration ranged from 44.51 to 229.31 mg kg(-1). At all of the sampling sites, SAK was significantly positively correlated with the depth and clay content, but there was a significantly negative correlation between the SAK and the sand content. The exponential model could fit most variograms of SAP and SAK at all sampling sites. The results obtained in this study to improve our comprehension of the SAP or SAK distribution conditions on the Loess Plateau, which is important for reasonable fertilizer application and vegetation planting practices.
资助项目	strategy Priority Research Program of Chinese Academy of Sciences[XDB40000000] ; National Natural Science Foundation of China[41371242] ; National Natural Science Foundation of China[41530854] ; National Natural Science Foundation of China[415711300781] ; Key Deployment Project of the Chinese Academy[KFZD-SW-306]
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATURE RESEARCH
WOS记录号	WOS:000618049600117
资助机构	strategy Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Deployment Project of the Chinese Academy
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/160467]
专题	中国科学院地理科学与资源研究所
通讯作者	Zhu, Yuanjun
作者单位	1.Univ Chinese Acad Sci, Beijing 100101, Peoples R China 2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess, Yangling 712100, Shaanxi, Peoples R China 3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Agr Loess Plate, Yangling 712100, Shaanxi, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Tian, Hanyang,Qiao, Jiangbo,Zhu, Yuanjun,et al. Vertical distribution of soil available phosphorus and soil available potassium in the critical zone on the Loess Plateau, China[J]. SCIENTIFIC REPORTS,2021,11(1):10.
APA	Tian, Hanyang,Qiao, Jiangbo,Zhu, Yuanjun,Jia, Xiaoxu,&Shao, Ming'an.(2021).Vertical distribution of soil available phosphorus and soil available potassium in the critical zone on the Loess Plateau, China.SCIENTIFIC REPORTS,11(1),10.
MLA	Tian, Hanyang,et al."Vertical distribution of soil available phosphorus and soil available potassium in the critical zone on the Loess Plateau, China".SCIENTIFIC REPORTS 11.1(2021):10.