Nadine Hollamby (Liebe Group)
Site 4, Dalwallinu, WA
To determine the efficacy and rate of gypsum required to improve soil structure on heavy clay soils in a minimum tillage system.
|Lead research organisation||
|Host research organisation||N/A|
|Trial funding source||GRDC LIE00006|
Thank you to Ian Hyde for hosting and conducting the trial. The Liebe Groups involvement is funded by GRDC through LIE00006 ‘Improved stubble and soil management practices for sustainable farming systems in the Liebe area’. Stephen Davies from DAFWA in Geraldton for support and technical advice.
|Other trial partners||Not specified|
|Sow date||1 June 2011|
|Harvest date||Not specified|
|Plot size||75m x 24m|
1/6/11: 70 kg/ha K-Till Extra, 50 kg/ha Urea
1/6/11: 1 L/ha Glyphosate, 0.22 kg/ha Logran, 1.4 L/ha Trifluralin, 27/7/11: 600 mL/ha Velocity
1/6/11: 100 mL/ha Alpha Duo
||Protein (%)||Grain yield (t/ha)||Establishment plants (plants/m2)||Screenings (%)|
|1||█ 0 t/ha Gypsum||10.87||3.37||50||3.87|
|2||█ 2 t/ha Gypsum||10.48||3.66||50||3.22|
|3||█ 4 t/ha Gypsum||10.37||3.24||45||3.41|
|Rainfall trial gsr (mm)||323mm|
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.