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subsoil manuring

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Catalogue: GRDC Publications
Barley Yellow Dwarf Virus can be a threat in all environments, and it is recommended that seed be treated with imidicloprid, or crops closely monitored for aphid infestation and sprayed ... In the circumstances using fertilisers that have a higher sulphur content, like MES 10 or Airseeder Superfect, can be beneficial... A fast track project was initiated to demonstrate and evaluate a range of management strategies that Twelve farms were surveyed across the western districts of southern Victoria that were considered suitable as potential trial sites based on grower and adviser recommendations...
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Catalogue: Ground Cover
Trials demonstrate manuring without the risk.. The sheer size and scale of subsoil manuring can make the technology seem out of reach to many growers, but using small-scale test strips has helped growers observe its benefits at high-rainfall sites with subsoil issues... Some sites have contributed data to the GRDC, La Trobe University and Victorian Department of Environment and Primary Industries' subsoil manuring project (see Subsoil manuring drives up HRZ profits )...
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Catalogue: GRDC Updates
Increased capture and use of deep subsoil water We observed that subsoil manuring enabled the crop roots to extract more deep soil water from the subsoil layers in dry years... We believe that the improved ability of the canola crop on subsoil-manured plots to establish, and then withstand the heavy winter rainfall at the Penshurst site in 2010 (Table 3), compared with the commercial crop, resulted from better aeration in the subsoil... There was no need for the crop to extract water from the subsoil, as there was ample soil water in the topsoil...
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Catalogue: GRDC Media
Subsoil manuring comes of age in HRZ.. "What we end up getting after subsoil manuring is a larger bucket size and soil capable of holding three times its original capacity of plant-available water, which can be stored deep in the profile to be used in the spring grain-fill period achieving much higher water use efficiency.".. While results are still inconclusive as to which manure or organic matter might be best to use, Dr Peries says they do need to find a material that is more abundantly available should the popularity of subsoil manuring increase...
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Catalogue: Ground Cover
Subsoil manuring drives up HRZ profits.. Pros: crop yields are increased; rainfall capture and use can be improved; effects are long-lasting - four years or sometimes more; and savings can be made on nitrogen fertiliser... Yield increases in the trial ranged from 2 to 5t/ha in wheat and 1 to 2t/ha in canola, at the full manure application rate and where a successful crop was established (see Table 1 )...
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Catalogue: GRDC Research Summaries
The project will determine the effectiveness of subsoil manuring across the High Rainfall Zone in SW Victoria... The project is expected to demonstrate that subsoil manuring will result in large increases in grain yield at a range of sites, and over a number of seasons, and that these continuing increases from a single intervention, will be profitable... The expected outputs will be the knowledge (i) of the magnitude of grain yield increases that result from subsoil manuring (ii) that the yield increases continue with successive crops for a number of seasons, and (iii) that the practice will be profitable...
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Catalogue: GRDC Media
Subsoil manuring comes of age in HRZ.. "What we end up getting after subsoil manuring is a larger bucket size and soil capable of holding three times its original capacity of plant-available water, which can be stored deep in the profile to be used in the spring grain-fill period achieving much higher water use efficiency.".. While results are still inconclusive as to which manure or organic matter might be best to use, Dr Peries says they do need to find a material that is more abundantly available should the popularity of subsoil manuring increase...
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Catalogue: GRDC Research Summaries
The project will determine the effectiveness of subsoil manuring across the High Rainfall Zone in SW Victoria... The project is expected to demonstrate that subsoil manuring will result in large increases in grain yield at a range of sites, and over a number of seasons, and that these continuing increases from a single intervention, will be profitable... The expected outputs will be the knowledge (i) of the magnitude of grain yield increases that result from subsoil manuring (ii) that the yield increases continue with successive crops for a number of seasons, and (iii) that the practice will be profitable...
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Catalogue: GRDC Updates
The first objective of this project was to determine whether subsoil manuring would deliver grain yield increases at a range of sites across the Victorian high rainfall zone (HRZ)... The per ha estimated cost associated with the 20 t/ha subsoil manuring intervention in 2009, at the Penshurst and Derrinallum sites, were higher than we had previously estimated (Table 1)... Using the results in Table 4, we estimated that the average annual increase in wealth (the annual annuity) for this lower rate of subsoil manuring at 10 t/ha, was lower than that from the higher rate of litter incorporation, but was still in excess of $300 / ha / year (Table 5)...
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Catalogue: GRDC Updates
I will be conducting a series of field, glasshouse, and incubation experiments to evaluate alternative organic materials for subsoil manuring... In the paper I will report on my first field experiment at Bundoora in 2010... The preliminary results in my first field experiment show the superiority of poultry litter as an organic amendment compared with chopped wheat straw...
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