GRDC Grains Research Update The Rock 2018
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Presented at
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Inoculation of faba bean, lentil and field pea with rhizobia (Rhizobium leguminosarum bv. viciae) is critical on acid soils. Nodulation is improved by increased application rate of inoculation products. •The lower limit of pH(Ca) for reliable nodulation with the commercial strains of faba bean and field pea rhizobia is 5.0. • Liming to increase so...
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In 2017, low yielding, unprofitable canola crops grew near profitable crops where strict attention to the system and timely agronomic management occurred. • Matching the phenology of a variety with sowing date was paramount for grain yield, largely avoiding major frost damage. At all sites, yield was reduced when flowering started before August. • ...
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Cereal stubble should be thought of as a source of carbon (C) for microbes, not as a source of nitrogen (N) for crops. In no-till systems, only approximately 6% of the N requirement of crops is derived from the stubble. • Nitrogen tie-up by cereal residue is not just a problem following incorporation — it occurs in surface-retained and standing-st...
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Mid-row banding (MRB) of urea at sowing provided a higher yield and profit response than all other N application methods other than incorporated by sowing (IBS). • Nitrogen requirements based on targeting 13% protein ranged from 51 to 58kg N/t/ha for all methods of N application and were lowest for MRB (51kg N/t/ha). • Urea incorporated by sowing (...
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