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Catalogue: GRDC Publications
GRDC Grains Research Update Coonabarabran, February 2014 grain protein levels in the untreated were below 12% in all trials... Understanding how the reserves present in more than half of soils release P is important... Soils with <60 mg/kg BSES P may not be able to replenish available P pools easily, and this corresponds with two thirds of those soils investigated in the Queensland study...
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Catalogue: GRDC Updates
The economics of chasing protein and issues of NUE and timing.. At plant, for 60N PCU and 60N PCU and the yield increased from 12.5 to 11.75 as the protein decreased from 4.7 to 4.5%... A base line level of at least 60kgs/ha of nitrogen was required to increase yield, the additional 25kgs/ha/N of nitrogen at GS59 followed by 7mm within 48hrs was sufficient to move grades from ASW to APW in 3 out of the 4 treatments...
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Catalogue: GRDC Publications
GRDC Grains Research Update Coonabarabran, February 2014 most sites achieved those returns within 2 crop seasons after deep P application may at least partly reflect the string of wetter seasonal conditions in recent years, although the results from Jandowae, Capella and Gindie all included dry seasons in at least one of the crops followed... Overall, the performance of the barley grain only varieties showed they are capable of producing around 6 t/ha of dry matter and still yielding between 2.7 and 3.4 t/ha of grain... Overall, the most prevalent virus was BWYV and in some locations more than 90% of symptomatic plants were infected with BWYV (Table 1)...
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Catalogue: GRDC Publications
Classifying soil types and measuring plant available water capacity (PAWC); use of fast processes such as EM38; identification of subsoil constraints; crop ability to access deeper soil water... Overall, the most prevalent virus was BWYV and in some locations more than 90% of symptomatic plants were infected with BWYV (Table 1)... GRDC Grains Research Update Nyngan, February 2014 used a PCR forBeet western yellows virus (BWYV),Bean leaf roll virus (BLRV), Phasey bean virus (PhBV) andSoybean dwarf virus (SbDV) to investigate host range of the virus species from a range of locations (Table 2)...
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