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available soil moisture

Catalogue: Ground Cover
Into the first full moisture profile he has seen in his farming career, Wimmera grower David Jochinke planted sunflowers, a crop that used to be widely grown in the region in the 1970s.. David, from Murra Warra about 30 kilometres north of Horsham, planted the sunflowers as an 'opportunity crop' to offset losses from downgraded grain and weed control during the wet summer... Apart from the cost of transporting the harvest to one of the few southern sites equipped for drying and receiving sunflowers, David says the cost of seed, at $64/ha, was the largest expense and he was expecting the crop to return $500 to $600 a tonne...
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Catalogue: Ground Cover
Into the first full moisture profile he has seen in his farming career, Wimmera grower David Jochinke planted sunflowers, a crop that used to be widely grown in the region in the 1970s.. David, from Murra Warra about 30 kilometres north of Horsham, planted the sunflowers as an 'opportunity crop' to offset losses from downgraded grain and weed control during the wet summer... Apart from the cost of transporting the harvest to one of the few southern sites equipped for drying and receiving sunflowers, David says the cost of seed, at $64/ha, was the largest expense and he was expecting the crop to return $500 to $600 a tonne...
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Catalogue: GRDC Updates
Several I & I NSW projects in central western NSW in 2009 aimed to gather data on a number of different wheat varieties that have been quickly adopted as preferred varieties and to compare them to older more well known varieties... To establish some baseline phenology data, a selection of wheat varieties were grown under irrigation and sown at three sowing dates (Figure 1)... Observations recorded 15 August showed marked differences between individual varieties with the effects of plant population having an impact on the rate of crop development as soil moisture was progressively becoming a major limiting factor (Figure 3)...
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Catalogue: GRDC Updates
Have a well thought out plan in regard to nitrogen application and amend it as the season unfolds... With the ability to measure starting soil moisture and nitrogen levels and a variety of ways in which we can apply nitrogen to a crop, planning for nitrogen input can start before a seed has hit the ground... A crop should be assessed for disease or other nutrient deficiencies prior to spreading additional nitrogen...
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Catalogue: Ground Cover
More than 1000 Australian soils have been characterised for plant-available water capacity (PAWC)... The GRDC-funded project 'Measuring and managing soil water in Australian agriculture' is working with groups of consultants and growers across the country to characterise soils for PAWC and discuss how this information can be used to inform management decisions in farm businesses... CSIRO's Canberra-based principal research scientist Dr Kirsten Verburg says when rain did not arrive in spring, growers may have underestimated the volume of water remaining in their soil following a wet start to the winter grains season...
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Catalogue: Ground Cover
More than 1000 Australian soils have been characterised for plant-available water capacity (PAWC)... The GRDC-funded project 'Measuring and managing soil water in Australian agriculture' is working with groups of consultants and growers across the country to characterise soils for PAWC and discuss how this information can be used to inform management decisions in farm businesses... CSIRO's Canberra-based principal research scientist Dr Kirsten Verburg says when rain did not arrive in spring, growers may have underestimated the volume of water remaining in their soil following a wet start to the winter grains season...
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Catalogue: Ground Cover
Tailoring inputs to match available soil moisture helps to optimise crop water use efficiency (WUE), yields, grain quality and profits... Recognising the wide range of soil moisture monitoring/measuring and climate tools now available to Western Australian growers, this year's joint GRDC and Department of Agriculture and Food, WA (DAFWA), Agribusiness Crop Updates included a focus session centred on the use of this technology... Mr Lemon says to Yield Prophet , N Broadacre, NUlogic, Fertiliser Optimiser, GreenSeeker/N rich strips and tissue testing are options to boost confidence in decisions...
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Catalogue: Ground Cover
Tailoring inputs to match available soil moisture helps to optimise crop water use efficiency (WUE), yields, grain quality and profits... Recognising the wide range of soil moisture monitoring/measuring and climate tools now available to Western Australian growers, this year's joint GRDC and Department of Agriculture and Food, WA (DAFWA), Agribusiness Crop Updates included a focus session centred on the use of this technology... Mr Lemon says to Yield Prophet , N Broadacre, NUlogic, Fertiliser Optimiser, GreenSeeker/N rich strips and tissue testing are options to boost confidence in decisions...
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Catalogue: GRDC Publications
Assuming a single soil evaporation parameter to benchmark water use efficiency is a very coarse simplification, and possibly the main source of error in estimating water use efficiency using the French and Schultz approach... Selecting a variety to match to a time of sowing so that flowering occurs during the flowering window is an important management decision to improve yield and water use efficiency... The effect of sowing rate on water use efficiency in winter cereals is strongly influenced by the amount of soil moisture leading into spring...
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