Nitrogen and WUE tool Yield Prophet Does it have a ‘fit’ in the West Midlands Region NAMI funding partners: Facilitator: Harm van Rees, Birchip Cropping.

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Presentation transcript:

Nitrogen and WUE tool Yield Prophet Does it have a ‘fit’ in the West Midlands Region NAMI funding partners: Facilitator: Harm van Rees, Birchip Cropping Group Grower Panel: Jeff Fordham, Andrew Kenny, Peter Negus

What is Yield Prophet? Harm to insert

Aim: To test the Yield Prophet tool to determine its relevance and usefulness to growers of the West Midlands region in determining the most efficient and effective nitrogen strategy Trial: Replicated plot trial established in 2010 and 2011 on gravel at Badgingarra Research Station. Compared three Nitrogen strategies to see which was the most productive and which was most profitable: Farmer strategy; Yield Prophet strategy; and control strategy On-farm demonstrations: Four farmers were given access to the Yield Prophet tool for the 2011 season. This incorporated: Classifying one soil type on their property into Yield Prophet Providing training to farmers in how to use yield prophet, in particular N reporting function. Using yield prophet reports to determine Nitrogen requirements for the demonstration paddock (or half paddock- two farmers did this) Collecting yield data and farmer experience.

Classifying a soil from scratch WMG estimate $3,000- $3,500 per site

Site 1 Soil: Red sandy earth (Dandaragan 905) Location: Regans Ford Farmer: Peter Negus

Site 2 Soil: Yellow deep sand (Moora 901) Location: West Moora Farmer: Ben McTaggart

Site 3 Soil: Yellow brown shallow loamy duplex (Badgingarra 902) Location: Badgingarra Farmer: Andrew Kenny

Site 4 Soil: Brown deep sand (Badgingarra 904) Location: East Badgingarra Farmer: Jeff Fordham

Site 1 Red sandy earth Site 2 Yellow deep sand Site 3 Yellow/brown shallow loamy duplex Site 4 Brown deep sand The crop Crop & Variety:MagentaCalingiri Seeding date:2 June8 June31 May3 June Seeding rate100kg 95kg85 kg The season GSR:556mm330mm497mm433mm Rainfall decile at 31 October 6353 Nitrogen Initial N status As at 11 April 85kg35kg99 kg31 kg YP N applied82kg77kg113 kg106 kg Yield YP simulated yield for soil type 2.8 t/ha2.2 t/ha6.7 t/ha4 t/ha Actual yield for soil type 3 t/ha1.2 t/ha4.85 t/ha3.67 t/ha Paddock average- Yield across all soil types in paddock 3 t/ha1.5 t/ha4.85 t/ha2.8 t/ ha