CAPTURING EARLY SOWING OPPORTUNITIES WITH LONG SEASON WHEAT VARIETIES AND THE IMPACT OF NITROGEN RATES AND PLACEMENT
The opportunity to utilise stored summer moisture by sowing earlier in the season can reduce the
reliance on a traditional May break to get crops established. However traditional spring wheat
varieties sown early develop too quickly in the season exposing the flowering crop to the risk of frost.
This frost risk or yield penalty may outweigh the benefits of early sowing and what the extra soil
moisture provides. The introduction of new long spring and winter wheat varieties allow for early
sowing with the more typical crop development stages falling ideally outside of the frost window and
before late heat stress.
These new varieties are largely untested in the northern wheatbelt and understanding both the crop
phenology in the local environment and the impact of various nitrogen strategies are needed to fill a
research gap. This trial will look to provide some local information that will allow growers to
potentially adopt the early sowing opportunities if the situation arises in future seasons.
Proposed Trial Site Design and Treatments
MAIN CONTACT DETAILS
Name: Angus McAlpine
Mailing Address: CSBP Ltd, Kwinana Beach Road, Kwinana WA 6966