Grazing crops Mark Seymour

Producing enough dry matter Outline Safe growth stages Producing enough dry matter Sow before Anzac day Increase canola density Chemical with-holding periods

Development Guidelines Cereal Start Z21 Start of tillering Anchored Finish Z31 Start of stem elongation Canola Start 6 leaf stage Anchored Finish Before flower bud reaches top of canopy Flower bud < 10cm above ground

April 22 Canola development Variety! Start Stop Duration ATR Cobbler 10-Jun 22-Jul 43 44C79 CL 5-Jun 20-Jul 46 CB Tanami GT Scorpion AV Garnet 3-Jun 48 CB Eclipse 27-Jul CB Mallee Hybrid GT Mustang 31-May 51 CB Tumby Hybrid 4-Aug 56 Hyola571 Thunder TT 45Y82 Hybrid 58 GT Cougar Hyola751 TT 10-Aug 62 46Y83 CL 63 Hyola601 RR CBI 306 7-Sep 97 CBI 406 Taurus 13-Sep 103 CBIW 208 29-Sep 122 Development ok but not enough biomass April 22 Canola development

April 22 Cereal development Variety Start Stop Duration Mundah 20-May 16-Jun 28 SMBA09-2324 17-May 18-Jun 33 Calingiri 22-Jun 34 Yitpi Wyalkatchem 29-Jun 44 Baudin 4-Jul 49 Preston 17-Jul 59 HRZ 03.0086 21-Jul 63 Wedgetail 5-Aug 78 Mackaller 14-Aug 87

1/5 t/ha July 27 Gibson Sown May 18

10ED09 Hybrid and OP canola x plant density at Gibson: Dry matter (kg/ha) at the start of bolting (GS16-30, 27th July 2010) Sown May 18

Dry cold weather can really slow things down Growth stage of canola and cereals at Kojonup (1TOS) on 6th July - when TOS 1 early grazing treatments imposed. Sown May 6 in a dry start Cultivar Crop Growth score Dry matter (kg/ha) ATR Cobbler Canola OP TT 15 138 AV-Garnet Canola OP NT 18 110 Baudin Barley 11 104 Calingiri Wheat 13 61 CB Mallee Canola TT Hybrid 16 148 Hyola 50 Canola Hybrid 17 87 Hyola751 TT 126 CBI 306 Canola Hybrid NT 155 CB Taurus 123 Oxford 109 Preston 95 Thunder TT 78 Wedgetail 102 Yitpi 79 Dry cold weather can really slow things down It took till August to get 1 t/ha

Grazing with holding periods

2011 Cattle grazing canola, cereal and pasture EDRS TOS comparisons April 15 May 10

Varieties in 2011 grazing trial HT Variety Maturity Class Conventional 44Y06 or 44Y84 CL E CB Agamax or Hyola 50 EM Av Garnet or Hyola 61 M Hyola 76 or 46Y83 CL ML CBI 406 VL CBI 316 CB Taurus CBIW 208 RR Hyola 404RR Hyola 505RR 45Y21 RR ME 45Y22 RR GT Mustang Hyola 606RR 46Y20 Hyola 606RR High density

Varieties in 2011 grazing trial Species HT Variety Maturity Class Wheat Cereal Mace Short-Mid Wyalkatchem Mid Magenta Mid-Long Yitpi Scout Endure Long Preston Wedgetail Very Long Barley Baudin Medium Buloke Gairdner Oxford Medium/Late Hindmarsh Early Henley Fleet Urambie Very Late

Cereal guidelines from east Start to graze when well anchored Tug test Often Z21 When forage exceeds 1 t/ha Need March/April sowing to get this in WA by end of May/start of June Provides 1000 kg of live animal/ha 33 sheep/ha each weighing 30 kg 3 cattle/ha each weighing 333 kg One months grazing WA 504 kg/ha or 1.5 beats/ha at 330 kg livesweight (Matt Ryan)