To identify the best break crop options for different climate, soil type and biotic stress situations within major cropping regions of the southern low rainfall zone.
Field pea, vetch, faba bean and lentil had 3-125% higher biomass yield and 51-110% higher grain yield than chickpea and canola at Minnipa, 2018.
Current high demand and grain prices for faba bean meant they were the most profitable break crop species.
Low grain yield of canola (0.43 t/ha) and chickpea (0.39 t/ha) resulted in these crop species not being profitable as grain crops.
Field pea and vetch, in particular, have multiple alternative end-use options in dry seasonal conditions that can be utilised to recover crop input costs.
Lead research organisation
South Australian Research and Development Institute
Host research organisation
SARDI Minnipa Agricultural Centre
Trial funding source
This project builds on previous GRDC and SAGIT funded projects, including DAS00119 (profitable crop sequencing in the low rainfall areas of South Eastern Australia) and MS115 (adopting profitable crop sequences in the SA Mallee).Funding for this project is provided by GRDC (DAS00162-A) and their continued support is gratefully acknowledged. The continued assistance from SARDI New Variety Agronomy groups at Clare and Minnipa, in particular Brenton Spriggs and Sue Budarick, is gratefully acknowledged and appreciated. We would also like to acknowledge support from property owners and low rainfall farming system groups involved in this project.
A break crop species-by-variety trial was conducted at Minnipa Agricultural Centre in 2018, to compare varieties of six break crop species. This trial was part of a wider program, with similar trials undertaken at four locations in 2017 across the southern low rainfall zone, and will be repeated again in 2019. The trials include three to six varieties (to represent major potential options for the low rainfall zone) of canola, lupin, field pea, vetch, lentil, chickpea, and faba bean. Lupin was not included at Minnipa, after consultation with local advisors as they are not suited to the environment. Varietal options included herbicide-tolerant varieties and those with potential for different end-uses. Measurements taken include site soil characteristics, soil moisture, grain yield, biomass yield and gross margin. Plot arrangement was in a split plot randomised design with three replicates, with break crop species assigned as the whole plot and variety as the sub plot. The use of
21 June 2018
16 November 2018
10m x 1.75m
Plot arrangement was in a split plot randomised design with three replicates, with break crop species assigned as the whole plot and variety as the sub plot. The use of this design ensures each break crop species receives appropriate management.
Trial source data and summary not available Check the trial report PDF for trial results.
Minnipa Agricultural Centre SA 2018
Observed climate information
Rainfall avg ann (mm)
Rainfall avg gsr (mm)
Rainfall trial total (mm)
Rainfall trial gsr (mm)
Derived climate information
Minnipa Agricultural Centre SA
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.
Trial report and links
2018 trial report
GRDC Final Report
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Related Final Reports Referencing GRDC code
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Related Final Reports By Crop type and Region
Other Break cropsSouthern
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Trial last modified: 03-09-2019 14:36pm AEST
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