Vadakattu Gupta, Therese McBeath (CSIRO) and Claire Browne (BCG)
|Contributor||Birchip Cropping Group|
Site 4, Horsham, VIC
|Further information||View external link|
To ascertain the amount and availability of N under varying stubble management practices and soil environments.
|Lead research organisation||N/A|
|Host research organisation||N/A|
|Trial funding source||GRDC BWD00024,CSP00186|
Maintaining profitable farming systems with retained stubble
This research was funded by the GRDC as part of the Maintaining profitable farming systems in retained stubble project– Component 1 project (CSP00186) and BWD00024. Thanks to Bill Davoren, Paul Adkins, Stasia Kroker, Steve Szarvis, Drew Ernakovich CSIRO for the provision of technical assistance.
|Other trial partners||Not specified|
|Sow rate or Target density||100 plants/m²|
Knife points, press wheels, 30cm row spacing
|Sow date||2 June 2015 2 June 2015|
|Harvest date||16 November 2015 16 November 2015|
|Plot size||Not specified|
|Plot replication||Not specified|
MAP @ 46kg/ha plus Granulock Supreme Z @ 34kg/ha (these rates were to balance nutrients).
Weeds were controlled to best management practice.
Pests were controlled to best management practice.
Diseases were controlled to best management practice.
||Fertiliser nitrogen uptake (%)||Harvest index (value)||Stubble yield (t/ha)||Stubble nitrogen uptake (kg N/ha)||Grain yield (t/ha)||Nitrogen uptake (kg N/ha)||C:N stubble ((ratio))|
|Rainfall trial total (mm)||228mm|
|Rainfall trial gsr (mm)||125mm|
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.