Some responses to lime on established pastures

Research output: Contribution to journalArticle

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Abstract

A survey of the pH of samples of Coolup sand under pastures of various ages showed that pastures which had been sown for more than 10 years had pH (CaCl2) values lower than 4.5. This is equivalent to about 5.2 for pH determined with a soil: water ratio of 1: 5. The lowest value recorded was pH (CaCl2) 4.0 for a pasture about 30 years old. The pH (CaCl2) of virgin samples of this soil was found to be about 5.0. Application of 1 ton an acre of ground limestone to old pastures increased total yields by an average of 26 per cent in the year of application. The increased yield was probably not due to increased availability of molybdenum, phosphorus, sulphur, potassium or calcium. Decreased toxicity of manganese or of aluminium are explanations which could not be disproved on the present data but the explanation considered to be most probable was increased availability of soil nitrogen.

Original languageEnglish
Pages (from-to)30-33
Number of pages4
JournalAustralian Journal of Experimental Agriculture
Volume4
Issue number12
DOIs
Publication statusPublished - 1 Jan 1964
Externally publishedYes

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liming materials
pastures
Soil
Molybdenum
Calcium Carbonate
molybdenum
Manganese
Aluminum
Sulfur
limestone
Phosphorus
manganese
aluminum
Potassium
sulfur
Nitrogen
soil sampling
potassium
lime
soil water

Cite this

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abstract = "A survey of the pH of samples of Coolup sand under pastures of various ages showed that pastures which had been sown for more than 10 years had pH (CaCl2) values lower than 4.5. This is equivalent to about 5.2 for pH determined with a soil: water ratio of 1: 5. The lowest value recorded was pH (CaCl2) 4.0 for a pasture about 30 years old. The pH (CaCl2) of virgin samples of this soil was found to be about 5.0. Application of 1 ton an acre of ground limestone to old pastures increased total yields by an average of 26 per cent in the year of application. The increased yield was probably not due to increased availability of molybdenum, phosphorus, sulphur, potassium or calcium. Decreased toxicity of manganese or of aluminium are explanations which could not be disproved on the present data but the explanation considered to be most probable was increased availability of soil nitrogen.",
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Some responses to lime on established pastures. / Barrow, N. J.

In: Australian Journal of Experimental Agriculture, Vol. 4, No. 12, 01.01.1964, p. 30-33.

Research output: Contribution to journalArticle

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