Stephen Davies (DAFWA) David Gartner (AgLime) Wes Lefroy (Precision SoilTech) Dennis Martin (DAFWA) Peter Negus (DAFWA) Peter Newman (Planfarm) Anne Wilkins (WMG)
2007 - 2014
West Midlands Group
To improve understanding of the range of tillage implements and techniques available to incorporate lime into acidic soils, their respective costs and benefits.
It is critically important to sample soil pH to depth prior to investing large sums in lime application and incorporation. Typically it has been found that on sandplain soils the yield benefit of one-off deep cultivation or deep ripping is large enough to cover the cost of the tillage in the first year so the subsequent productivity benefits associated with more rapidly fixing the soil pH by incorporating lime can be realised sooner. Other factors such as water repellence, herbicide resistant weeds, subsoil compaction, wind erosion risk and soil type will impact on the choice of incorporation implement used.
Lead research organisation
Department of Agriculture and Food WA
Host research organisation
West Midlands Group
Thanks to West Midlands Group, Peter and Daisy Negus, Dennis Martin and Bob and Murray Preston for hosting and managing trials. Thanks to David Paish helping make the ripper openers and Peter Horwood for the design. The support of McIntosh and Son machinery in Moora, Precision SoilTech and AgLime of Australia is greatly appreciated.
GRDC Project Numbers: LIE0008 Working together to deliver multiple benefit messages to growers through a whole systems approach to soil management; DAW00204 Developing agronomic strategies for water repellent soils in WA; DAW00236 Soil acidity is limiting grain yield.
COGGO Project: Developing and testing innovative, practical and reliable methods for incorporating lime into acidic sandplain subsoils – West Midlands Group
NACC Project 1412-05-01: Demonstrating innovative practices for the amelioration of sub surface Acidity to improve soil health &n
Trial source data and summary not available Check the trial report PDF for trial results.
Derived climate information
No observed climate data available for this trial. Derived climate data is determined from trial site location and national weather sources.
NOTE: Exact trial site locality unknown - Climate data may not be accurate
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.
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