Managing Stubble - Grains Research & Development Corporation

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Choice of cultivation system - on each field This scheme is meant as a way to find out what cultivation method that is most suitable on each field. By considering the precrop, soil type, soil structure, weed pressure, amount of plant residues etc, Lighter soil an advice for each field can be extracted. What is the dominant soil type? Heavier soil How is the soil structure? Good Not so good Not so good How is the distribution of plant residues? Cultivate the soil more deeply. Is the main problem the forming of tracks? ! Worse/High amount Good/Small amount Yes No Good How is the soil structure? Good START Is the pre crop good or bad in relation to the crop that will be drilled? How is the distribution of plant residues? Worse/High amount Good/Small amount (Generally a crop of another species is a better precrop than one of the same species.) Not so good Lighter soil How is the soil structure? Good Not so good Are there a lot of weeds or weeds difficult to control? Cultivate deeply or burn. ! Is there a lot of crop residues? No What is the dominant soil type? Heavier soil Not so good Cultivate deeply. Growing of catch crops or fallow might improve the soil structure. ! 1. Precrop Yes Cultivate deeply or burn. 2. Soil type ! How is the soil structure? Good Are there a lot of weeds or weeds difficult to control? 3. Soil structure 4. Weed pressure/ plant residues
Can the crop residues be distributed by a straw harrow? If so: go to Good/Small amount. Otherwise you should work the soil more deeply.! Yes Burn. ! Are there a lot of weeds or difficult weeds? Work the soil deeper at least in the wheeltracks. ! No What yield level do you expect? Normal or high Low Use direct drilling or shallow cultivation Use direct drilling ! ! Work the soil deeply. Growing of catch crops or fallow might improve the soil structure. ! Burn. ! Can the crop residues be distributed by a straw harrow? If so: go to Good/Small amount. Otherwise you should work the soil more deeply or burn. ! Yes Normal or high Use direct drilling or shallow cultivation ! Are there a lot of weeds or difficult weeds? No What yield level do you expect? Low Use direct drilling. ! Yes No Yes No Use deep cultivation or burn. What yield level do you expect? If the weeds can’t be controlled the field should be cultivated deeply or ! burnt. If possible control the weeds with glyphosate/ cultivation Yes ! What yield level do you expect? Normal or high Low Normal or high How much risk could you accept? Use direct drilling. Consider early fungicide treatment. How much risk could you accept? Low 5. Expected yield level, Risk ! Higher risk Low risk Higher risk Low risk Shallow cultivation. Consider early fungicide treatment. Work more deeply. Consider early fungicide treatment. Use direct drilling. Consider early fungicide treatment. Work more deeply. Consider early fungicide treatment. Use direct drilling or shallow cultivation. Consider early fungicide treatment. ! ! ! ! !
Page 1 and 2: Managing Stubble SOUTHERN FARMING S
Page 3 and 4: Chapter 1 Managing heavy stubble lo
Page 5 and 6: Background Reduced tillage and stub
Page 7: • Stubble chop length is determin
Page 11 and 12: Harvest Management Pre harvest and
Page 13 and 14: • Bale Advantages - Faster harves
Page 15 and 16: - A prickle chain - it can be used
Page 17 and 18: Shallow Incorporation - Vaderstad C
Page 19 and 20: Shallow incorporation with deep rip
Page 21 and 22: Sowing Management • Wider row spa
Page 23 and 24: “Keen to follow as much of a cont
Page 25 and 26: David agrees timing is the key to g
Page 27 and 28: Introduction The advent of affordab
Page 29 and 30: Section 1: Understanding the likely
Page 31 and 32: Section 2: GPS Guidance Requirement
Page 33 and 34: Some broadleaf crops (beans, canola
Page 35 and 36: Section 3: Practical Guidelines for
Page 37 and 38: Section 4: Herbicide Management in
Page 39 and 40: • The effects of poorly spread ha
Page 41 and 42: Section 7: Farmer Experiences with
Page 43 and 44: Editors: Jon Midwood, Southern Farm
Page 45 and 46: Notes _____________________________

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