干旱区生态环境知识资源中心(Arid): Effects of Regulated Deficit Irrigation on soil nutrient, microorganism and enzyme activity of Isatis indigotica

Arid

DOI	10.1088/1755-1315/632/2/022025
	Effects of Regulated Deficit Irrigation on soil nutrient, microorganism and enzyme activity of Isatis indigotica
	He, Xiucheng; Wang, Yucai
通讯作者	Wang, YC (corresponding author), Gansu Agr Univ, Coll Resources & Environm Sci, Lanzhou 730070, Peoples R China.
会议名称	Asia Conference on Geological Research and Environmental Technology (GRET)
会议日期	OCT 10-11, 2020
会议地点	ELECTR NETWORK
英文摘要	The changes of soil ecological environment caused by different degrees of water deficit will affect the sustainable planting of soil, so it is of great significance to explore moderate water deficit and maintain a good ecological environment with sustainable soil. In this study, the effects of water stress on soil nutrients, microorganisms and enzyme activities of Isatis indigotica in Hexi corridor were studied by Mulched Drip Irrigation. The results showed that it was beneficial to the absorption and utilization of available phosphorus and available potassium in the soil of the root of Isatis indigotica by mild water deficit, increased the number of fungi and actinomycetes in the soil, and did not affect the activity of urease in the soil from 0 to 20cm. It was resulted in slow absorption of available phosphorus and available potassium in the soil and significantly decreased soil urease activity by severe water deficit, but it did not affect the number of fungi and actinomycetes. Therefore, mild water deficit is helpful to improve the utilization of soil nutrients and soil enzyme activity. This study provided a theoretical basis for the standardized planting of Isatis indigotica in northwest arid region on the basis of efficient water saving.
英文关键词	Regulated Deficit Irrigation Soil nutrients Microbes Enzyme activity Isatis indigotica
来源出版物	2020 ASIA CONFERENCE ON GEOLOGICAL RESEARCH AND ENVIRONMENTAL TECHNOLOGY
ISSN	1755-1307
出版年	2021
卷号	632
出版者	IOP PUBLISHING LTD
类型	Proceedings Paper
语种	英语
开放获取类型	gold
收录类别	CPCI-S
WOS记录号	WOS:000688420700025
WOS关键词	POTASSIUM ; NITROGEN ; MAIZE ; WATER
WOS类目	Green & Sustainable Science & Technology ; Energy & Fuels ; Engineering, Civil ; Engineering, Geological ; Environmental Sciences
WOS研究方向	Science & Technology - Other Topics ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
资源类型	会议论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/365639
作者单位	[He, Xiucheng; Wang, Yucai] Gansu Agr Univ, Coll Resources & Environm Sci, Lanzhou 730070, Peoples R China
推荐引用方式 GB/T 7714	He, Xiucheng,Wang, Yucai. Effects of Regulated Deficit Irrigation on soil nutrient, microorganism and enzyme activity of Isatis indigotica[C]:IOP PUBLISHING LTD,2021.

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