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Soil acidification as influenced by crop rotations, stubble management, and application of nitrogenous fertiliser, Tarlee, South Australia

文献类型:期刊论文

作者Xu, RK; Coventry, DR; Farhoodi, A; Schultz, JE
刊名AUSTRALIAN JOURNAL OF SOIL RESEARCH
出版日期2002
卷号40期号:3页码:483-496
关键词acidity pH aluminium manganese
ISSN号0004-9573
DOI10.1071/SR00104
通讯作者Coventry, DR()
英文摘要Soil acidification, as influenced by N fertiliser, stubble management, and crop rotations, was investigated using soil samples from a long-term rotation trial at Tarlee, South Australia. With the effects of combination of treatment inputs (wheat-lupin, stubble retention and N-fertiliser application), the pH(Ca) (0-10 cm depth) declined from the starting value of 6.12 to 4.50 after a 14-year period. All of the treatments caused the soil pH to decrease. The mean acidification rates for the period 1978-1992 varied from 0.5 to 2.22 kmol H+/ha. year for different treatments. Although the rainfall at Tarlee (483 mm) is not sufficient to cause regular drainage events, it is likely that downward movement of NO3- in the soil profile has caused acidification in the surface soil. Also the retention of stubble caused more acidification than where there was regular stubble burning or removal. The acidification resulted in an increase in soil exchangeable Al and Mn and extractable Al and Mn, and the decrease in soil exchangeable base cations. The values for soluble Al (extracted in CaCl2) in 1992 were 1.58 and 2.45 mg/kg (0-10 cm depth) for the wheat-bean and wheat-lupin rotations, but the percentage of Al in the ECEC was low. It is not known whether this acidity has any impact on yields of field crops at this stage. But with soluble Al and the percentage of Al in ECEC increasing, it is possible that Al toxicity may occur in the high input-output cropping soils in South Australia.
收录类别SCI
WOS关键词NORTH-EASTERN VICTORIA ; PH BUFFER CAPACITY ; CARBON-CYCLE ; ACID SOILS ; PASTURE ; LUPINS ; LEGUME ; MANGANESE ; RATES
WOS研究方向Agriculture
WOS类目Soil Science
语种英语
WOS记录号WOS:000175430000010
出版者C S I R O PUBLISHING
URI标识http://www.irgrid.ac.cn/handle/1471x/2559184
专题南京土壤研究所
通讯作者Coventry, DR
作者单位1.Univ Adelaide, Dept Agron & Farming Syst, Roseworthy, SA 5371, Australia
2.Chinese Acad Sci, Inst Soil Sci, Nanjing, Peoples R China
3.So Australian Res & Dev Inst, Glen Osmond, SA 5064, Australia
推荐引用方式
GB/T 7714
Xu, RK,Coventry, DR,Farhoodi, A,et al. Soil acidification as influenced by crop rotations, stubble management, and application of nitrogenous fertiliser, Tarlee, South Australia[J]. AUSTRALIAN JOURNAL OF SOIL RESEARCH,2002,40(3):483-496.
APA Xu, RK,Coventry, DR,Farhoodi, A,&Schultz, JE.(2002).Soil acidification as influenced by crop rotations, stubble management, and application of nitrogenous fertiliser, Tarlee, South Australia.AUSTRALIAN JOURNAL OF SOIL RESEARCH,40(3),483-496.
MLA Xu, RK,et al."Soil acidification as influenced by crop rotations, stubble management, and application of nitrogenous fertiliser, Tarlee, South Australia".AUSTRALIAN JOURNAL OF SOIL RESEARCH 40.3(2002):483-496.

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来源:南京土壤研究所

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