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Catalogue: Nuffield Scholar Reports
In the short history of white settlement we have hastened the natural attrition of these regions by thousands of years... Overall, the works had started to filter washed soil and trap it on the upstream side of each filter there has been only one significant rain event, of 50mm, since the project was completed... Overall, the information reported was of a similar nature to that currently presented and generally accepted by the majority of producers in Australia...
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Catalogue: GRDC Final Reports
The study reviewed the effect on groundwater response and crop improvement at four sites over a limited period of time (2-5 seasons), during dry conditions... DrainLogic has been evaluated on several of the current (Beynon Rd, Morawa, Pithara, Beacon) and partner (e.g. Wallatin Creek, Dumbleyung) trial sites... The result of the analyses has been to develop the classification of the subsoil and soil used in DrainLogic...
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Catalogue: GRDC Updates (North)
Oil composition can be compromised and lead to a change in fatty acid profiles if the seed is harvested when too moist, the seed has been excessively thrashed, admixture / moisture and disease levels are too high or the temperatures in your silo reach 35 C plus for more than 3 or 4 days in a row... People in some areas have very low levels of awareness that salinity is a problem, and report a low level of salinity... The chemical fertility of soil is only one group of factors that need to be considered when producing a good crop and a good income...
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Catalogue: GRDC Updates (South)
Oil composition can be compromised and lead to a change in fatty acid profiles if the seed is harvested when too moist, the seed has been excessively thrashed, admixture / moisture and disease levels are too high or the temperatures in your silo reach 35 C plus for more than 3 or 4 days in a row... People in some areas have very low levels of awareness that salinity is a problem, and report a low level of salinity... The chemical fertility of soil is only one group of factors that need to be considered when producing a good crop and a good income...
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Catalogue: GRDC Updates (North)
Coolah Grains Research Update Soils, salinity and the future!.. In summary controlled traffic and conservation tillage will assist in protecting the surface of the soil and will maximise the activity of soil animals, increasing the infiltration and the water holding capacity of the soil... Grains Research Update - Coolah August 2002 any person acting or relying on any data, information, opinion or advice expressed or implied in this document...
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Catalogue: GRDC Updates (South)
Coolah Grains Research Update Soils, salinity and the future!.. In summary controlled traffic and conservation tillage will assist in protecting the surface of the soil and will maximise the activity of soil animals, increasing the infiltration and the water holding capacity of the soil... Grains Research Update - Coolah August 2002 any person acting or relying on any data, information, opinion or advice expressed or implied in this document...
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Catalogue: Broadacre Field Crops DAFF QLD
Subsoil acidity is becoming a real problem on many scrub soils and may be constraining plant growth... Toxicities of aluminium and/or manganese can reduce plant growth in acid soils... The rates of acidification in any soil type can be minimised by replacing the basic nutrients removed in crop produce (e.g. calcium, magnesium and potassium) as part of a fertiliser program, and by minimising the losses of soil nitrate by leaching via appropriate rotations of legume and cereal grain crops...
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Catalogue: Broadacre Field Crops DAFF QLD
Subsoil acidity is becoming a real problem on many scrub soils and may be constraining plant growth... Toxicities of aluminium and/or manganese can reduce plant growth in acid soils... The rates of acidification in any soil type can be minimised by replacing the basic nutrients removed in crop produce (e.g. calcium, magnesium and potassium) as part of a fertiliser program, and by minimising the losses of soil nitrate by leaching via appropriate rotations of legume and cereal grain crops...
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Catalogue: Broadacre Field Crops DAFF QLD
Subsoil acidity is becoming a real problem on many scrub soils and may be constraining plant growth... Toxicities of aluminium and/or manganese can reduce plant growth in acid soils... The rates of acidification in any soil type can be minimised by replacing the basic nutrients removed in crop produce (e.g. calcium, magnesium and potassium) as part of a fertiliser program, and by minimising the losses of soil nitrate by leaching via appropriate rotations of legume and cereal grain crops...
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Catalogue: GRDC Updates
DRYLAND SALINITY The clearing of natural perennial vegetation including native grasses, trees and shrubs and replacement by annual crops and pastures may reduce annual transpiration and increase water stored in the soil profile, resulting in increased risk of deep drainage... DEEP DRAINAGE UNDER VARIOUS VEGETATION SYSTEMS Experiments were established in May 2004 to quantify the water balance and potential deep drainage occurring on two key ground flow systems of the Wimmera catchment of Victoria, southern Australia... Native pasture systems were believed to minimise deep drainage this research demonstrates that the ability of native pasture to survive dry conditions, which prevailed during this experiment, was due to physiological dormancy during periods of water stress rather than a deeper rooting system enabling extraction of moisture from deeper in the profile...
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