Arid
DOI10.1080/00103629709369882
A comparison of hot water extraction to standard extraction methods for nitrate, potassium, phosphorus, and sulfate in arid-zone soils
Hanks, DA; Webb, BL; Jolley, VD
通讯作者Hanks, DA
来源期刊COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
ISSN0010-3624
出版年1997
卷号28期号:15-16页码:1393-1402
英文摘要

Increasing demand for soil analysis prompted by environmental and economic factors has intensified the need for an inexpensive, fast, convenient and precise extraction. Current soil analysis procedures require several extractants which limit their use in many small commercial and residential applications. This paper reports the results of tests conducted with an innovative hot water extraction method to meet these needs in the soils of the arid Western United States. Hot water under pressure generated by commonly available espresso makers was used, with an appropriate proper soil/water ratio, to extract nitrate, potassium (K), sulfate, and phosphorus (P) in as many as 38 soils. The same extract was also used to measure pH. There were high and significant correlations when comparing standard soil analysis extraction methods and the hot water extraction for nitrate, sulfate, K, and P [r=0.99, 0.92, 0.85, and 0.60, respectively (p=0.001)]. The time of extraction varied with each soil, ranging from 0.3 minutes with a sandy soil to 4.5 minutes for a clay soil, and averaged 1.4 minutes. This extraction procedure coupled with available analytical equipment shows promise as an acceptable process for measuring nitrate, K, sulfate, P, and pH in soils.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:A1997XX33900011
WOS类目Agronomy ; Plant Sciences ; Chemistry, Analytical ; Soil Science
WOS研究方向Agriculture ; Plant Sciences ; Chemistry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/133996
作者单位(1)BRIGHAM YOUNG UNIV,DEPT AGRON & HORT,PROVO,UT 84602
推荐引用方式
GB/T 7714
Hanks, DA,Webb, BL,Jolley, VD. A comparison of hot water extraction to standard extraction methods for nitrate, potassium, phosphorus, and sulfate in arid-zone soils[J],1997,28(15-16):1393-1402.
APA Hanks, DA,Webb, BL,&Jolley, VD.(1997).A comparison of hot water extraction to standard extraction methods for nitrate, potassium, phosphorus, and sulfate in arid-zone soils.COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,28(15-16),1393-1402.
MLA Hanks, DA,et al."A comparison of hot water extraction to standard extraction methods for nitrate, potassium, phosphorus, and sulfate in arid-zone soils".COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 28.15-16(1997):1393-1402.
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