Nitrate leaching and adsorption in a krasnozem from redland bay, qld. ii* Soil factors influencing adsorption

Black A.S. and Waring S.A. (1976) Nitrate leaching and adsorption in a krasnozem from redland bay, qld. ii* Soil factors influencing adsorption. Australian Journal of Soil Research, 14 2: 181-188. doi:10.1071/SR9760181


Author Black A.S.
Waring S.A.
Title Nitrate leaching and adsorption in a krasnozem from redland bay, qld. ii* Soil factors influencing adsorption
Journal name Australian Journal of Soil Research   Check publisher's open access policy
ISSN 0004-9573
Publication date 1976-01-01
Sub-type Article (original research)
DOI 10.1071/SR9760181
Open Access Status Not yet assessed
Volume 14
Issue 2
Start page 181
End page 188
Total pages 8
Subject 1111 Nutrition and Dietetics
2304 Environmental Chemistry
Abstract Laboratory determinations of nitrate adsorption from a 0 005m potassium nitrate solution indicated that exclusion occurred in soil from 0-20 cm and that adsorption increased through the subsoil from 0-16 m-equiv./lOO g at 45-90 cm to 0-45 m-equiv./100 g between 360 and 600 cm. These profile changes appeared to be related to decreases in organic matter and pH and increases in kaolinite content. Correlation studies showed a strong relation (r = 0 87) between nitrate adsorption and relative net charge as measured by ΔpH (pHKCl - pHH2O) and a negative relation (r = -0•67) with pHH2O- Correlations with sesquioxide fractions were variable and mostly negative.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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