Renick Peries, Bruce Wightman and Nazrul Islam (DPI/SFS)
|Contributor||Southern Farming Systems|
To examine the effects of some of the common bed renovation treatments adopted by the farmers, particularly on soil structure, soil water dynamics and subsequent crop performance on beds.
The trend to higher grain yield and deeper root growth in the deep rip treatment suggests that in heavier soils deep ripping may be beneficial to encourage deep rooting and deeper infiltration of water following rainfall events. While the observations relate to responses in the year in which the treatments were imposed, it will take further cropping cycles to determine the stability and sustainability of these responses. The pattern of rainfall distribution and the overall soil water dynamics may have also had an impact on the yield responses. While the initial response is promising, further testing would be required before recommendations could be made.
|Lead research organisation||N/A|
|Host research organisation||N/A|
|Other trial partners||Not specified|
|Sow date||28 May 2002|
|Harvest date||Not specified|
|Plot size||Not specified|
|Plot replication||Not specified|
||Grain yield (t/ha)||Oil (%)|
|1||█ Grace||█ Deep Rip (50cm) and reshape||3.3||44.5|
|2||█ Grace||█ Cultivate (100mm) and reshape||3||43.6|
|3||█ Grace||█ Reshape only||2.6||46.4|
|4||█ Grace||█ Control||2.6||44.9|
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.