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Catalogue: GRDC YouTube channel
Low protein -- is it timing, decision making or something else... Low protein in cereal grains is indicative of poor nitrogen supply to the grain during the grain fill period... Technology to reduce spray drift GCTV: Drift Reducing Technology..
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Catalogue: GRDC Updates
Low protein in cereal grains is indicative of poor nitrogen supply to the grain during the grain fill period... Figure 6: Relative wheat varietal nitrogen uptake performance assessed by grain nitrogen content (kg/ha) - Qld and NW NSW NVT Trials - 2011.. Soil test data from autumn 2012 suggests that many paddocks had no benefit from normal 20 - 50 kg/ha summer fallow N mineralisation due to losses from waterlogging or the >20 kg/ha residual mineral N present in the post-harvest ( Figure 2)...
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Catalogue: GRDC Updates
Low protein in cereal grains is indicative of poor nitrogen supply to the grain during the grain fill period... When grain protein in cereal crop is below a critical range it is strong evidence that yield for that season may have been restricted by nitrogen more so than moisture... The rate of nitrogen fertiliser applied is an attempt to bridge the gap between the nitrogen a soil can supply (mineralisation plus residual mineral-N minus denitrification), the crop demand for the season, and the efficiency of the crop accessing and transferring soil and fertiliser N to grain (Figure 2)...
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Catalogue: GRDC Media
Growers planting high yielding varieties this winter crop season will need to get nutrition - including nitrogen, phosphorus and sulfur - spot on to achieve high protein levels... "We're in a situation in the northern region from Dubbo, NSW to central Queensland this summer that part of the region has experienced flooding so we're going to see denitrification," Ms O'Keeffe says... Audio Caption : Sharon O'Keeffe, GRDC manager regional grower services - north says conditions have varied across the northern region this summer but growers need to consider their fertiliser regime early to achieve protein targets..
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Catalogue: GRDC Media
Growers planting high yielding varieties this winter crop season will need to get nutrition - including nitrogen, phosphorus and sulfur - spot on to achieve high protein levels... Audio Caption : Sharon O'Keeffe, GRDC manager regional grower services - north says conditions have varied across the northern region this summer but growers need to consider their fertiliser regime early to achieve protein targets.. Sharon O'Keeffe, GRDC manager regional grower services - north says conditions have varied across the northern region this summer but growers need to consider their fertiliser regime early to achieve protein targets < Keep browsing 0 Responses to Prepare now for protein..
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Catalogue: GRDC Media
Lower than expected protein levels in last year's winter crop should prompt growers across the northern grains region to reconsider soil nitrogen strategies for 2013... Matthew Gardner, NSW Department of Primary Industries (NSW DPI) research agronomist says wheat protein levels have dropped over the last three seasons due to high yields, flooding and under-use of legumes and nitrogen fertilisers... Photo Caption: Matthew Gardner, NSW DPI research agronomist, Tamworth says growers aiming for high protein levels need to pay careful attention to sources of soil nitrogen including fertiliser and legumes...
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Catalogue: Ground Cover
Predictable protein levels getting the nitrogen right.. In 2012 low soil nitrogen and subsequent grain protein were compounded by: wet summer fallows leading to waterlogging and denitrification; depletion of subsoil mineral nitrogen reserves by crops in 2009, 2010 and 2011; a decline of organic matter in the soil due to continuous cropping; and lack of legumes in rotations to supplement the decline in nitrogen from organic matter... If we want a return to high protein grains, we need to work out how to get that nitrogen back in the system," Dr Dowling says...
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