Territory Stories

A soil survey of part of the Coastal Plains Research Station, N.T.



A soil survey of part of the Coastal Plains Research Station, N.T.

Other title

by S.J. Lucas, Land Conservation Unit, Conservation Commission.


Lucas, S. J. (Stuart James); Conservation Commission of the Northern Territory. Land Conservation Unit


E-Publications; E-Books; PublicationNT; LC 80/3




Made available via the Publications (Legal Deposit) Act 2004 (NT).


Date:1980; Bibliography: leaf 34.




Soils -- Northern Territory -- Coastal Plains Research Station; Coastal Plains Research Station (N.T.)

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Government Printer

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LC 80/3


i, 34 leaves : maps ; 30 cm.

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2. The area was found to have an acid soil reaction trend, with pH values of 5.5 at the surface and 5.0 at depth being common. This may adversely affect the growth of some species or even necessitate the application of lime. It should be noted however, that the pH values were determined in the field. This test is reasonably accurate, but laboratory pH values are usually slightly higher than those determined by the field pH test (Day and Forster, 1978). No chemical analyses were carried out on the soils in this survey area as it was considered that they would not differ greatly from those analysed from the earlier Harrison Dam survey. The resul ts of that survey (see Howe and Czachorowski 1979, Appendix I, pp 31-32), indicate that a range of upland soils showed low fertility status, with only minor variation existing between soil types. Soils generally had "low levels ll of total ni trogen, base saturation and soluble salts. They had "low to very low levels" of exchangeable cations, and livery low levels If of available phosphorous and potassium.

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