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Soil

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
" Goondiwindi GRDC Grains Research Update Day 1 - Tuesday 4 th March Time Topic Speaker (s) 10:00 AM James Clark (Chair Northern Welcome Panel GRDC) 10:10 AM General plenary (Supported by North West Local Land Services) 10:10 AM 10:40 AM.. Overall, both models are acceptable for modelling soil evaporation over a range of soils and seasons provided accurate soil physical properties and starting water states are known... Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)...
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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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Catalogue: GRDC Publications
The economics of chasing protein, improving nitrogen use efficiency and timing... GRDC Grains Research Update Mungindi, March 2014 Contents.. Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)...
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Catalogue: NVT Online Papers
Canola is often windrowed to ensure all pods are mature at harvest... In summary, windrowing too early can result in lower yields and oil contents and too late will lead to shattering losses... Canola is sold into a deregulated domestic market and the responsibility of finding an acceptable price and arranging a buyer rests with the grower...
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Catalogue: GRDC Publications
Canola is often windrowed to ensure all pods are mature at harvest... In summary, windrowing too early can result in lower yields and oil contents and too late will lead to shattering losses... Canola is sold into a deregulated domestic market and the responsibility of finding an acceptable price and arranging a buyer rests with the grower...
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Catalogue: GRDC Publications
We in the north are still working out where and how best to use P in our fertiliser programs... The representation for different crop species, soil types and seasons is somewhat limited... GRDC Grains Research Update Goondiwindi, March 2014 Figure 3...
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Catalogue: NVT Online Papers
Early work on canola focused on weed management strategies including the breeding of herbicide tolerant canola varieties such as triazine tolerant (TT) varieties which now account for an estimated 90% of canola grown in WA... Research is still being conducted to determine the effect of these viruses on the yield of canola in WA. European work has found seed yield losses of 10-15% associated with this virus disease in canola... The amount of air passed through the grain is measured in litres per second per tonne and varies depending on the particular aeration strategy...
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Catalogue: GRDC Updates (West)
Barley agronomy highlights: Time of sowing x variety Blakely Paynter1and Andrea Hills,2 Department of Agriculture and Food, Western Australia; Northam 1and Esperance 2.. x New feed barley options are becoming available that out yield current feed barley varieties... Kojonup may not be suitable for seasons or environments where low in-crop rainfall is experienced...
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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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d soil (1)
erosion (18)
nitrogen (353)
phosphorous (124)
potassium (124)
soil (1651)
soil core (17)
soil level (38)
soil pawc (1)
soil ph (92)
soil pit (14)
soil profile (159)
soil surface (112)
soil testing (106)
soil type (304)
soil water (272)
soil zone (6)
sulphur (13)
yp soil (1)