Amanda Cook (SARDI)
|Contributor||SARDI Minnipa Agricultural Centre|
Site 16, Minnipa Agricultural Centre, SA
To investigate the potential non-chemical options for managing barley grass in a crop is increasing crop competition by reducing row spacing and increasing sowing rate.
|Lead research organisation||
Eyre Peninsula Agricultural Research Foundation
|Host research organisation||N/A|
|Trial funding source||GRDC CWF00020|
Overdependence on agrochemicals
Thank you to Sue Budarick, Tegan Watts and Katrina Brands for doing the weed counts. Funded by the GRDC Overdependence on Agrochemicals project (CWF00020).
|Other trial partners||Upper North Farming Systems|
|Sow rate or Target density||60, 120 or 240 plants/m2|
single row Harrington point vs Atom Jet spread row seeding boot with press wheels
|Sow date||18 May 2016|
|Harvest date||4 November 2016|
|Plot size||20m x 2m|
60 kg/ha of 18:20:0:0
The trial was sprayed on 16 May with a knockdown of 1.5 L/ha of glyphosate, 1.5 L/ha of trifluralin and 80 ml/ha of carfentrazone-ethyl. and broad-leaved weeds were controlled on 24 August after sampling.
An insecticide was sprayed on 22 June
|Rainfall avg ann (mm)||325mm|
|Rainfall avg gsr (mm)||241mm|
|Rainfall trial total (mm)||391mm|
|Rainfall trial gsr (mm)||268mm|
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.