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GRDC Factsheets

GRDC Factsheets. These are produced from GRDC funded research.

Registered items

Catalogue: 
An integrated approach to managing fungal diseases in chickpeas in the southern region should focus primarily on ascochyta blight while also paying attention to botrytis grey mould and sclerotinia... kEy poinTs Choose an ascochyta blight resistant variety... Has the added benefit of providing some www.pulseaus.com.au Mancozeb and metiram can also provide protection and reduction of BgM. chickpea checklist for southern some protection from AB if timeliness Applications targeted at AB during podding growers of application is observed; for example, might be too late for BgM. www.pulseaus.com....
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Brome grass is becoming an increasing problem... Both species are commonly referred to as ripgut brome often resulting in confusion over correct identification... Recent research has shown that seed collected from field populations of both species are showing longer dormancy which appears to be under hormonal control within the seed embryo...
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Soil type is useful in deducing the risk of micronutrient deficiencies... introduction A recent study undertaken by the International Crop demand and uptake Micronutrients are essential for healthy Plant Nutrition Institute (IPNI) on behalf of the Different crop species have different plant growth... Oats, wheat, barley (canola tolerant) SOurCe: rOB nOrTOn, iPni y e n t i w w e h t t a M : o t o h p Copper is a key element of chlorophyll and plays a central role in photosynthesis, and deficiencies are often associated with high organic matter soils...
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western region when to sow wheat to minimise risk the optimal sowing date results in wheat flowering after the last frost and with adequate reserves of soil moisture before heat stress begins... only in seasons with a favourable spring did yields increase with later sowing... in Australia, developmental stages are commonly referred to as 'growth stages'...
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Fencelines and paddock margins represent a large number of situations where cases of glyphosate-resistant annual ryegrass are occurring... Integrated weed management must be practiced for all weed control operations... KeY POINts employing glyphosate as the only method to control fenceline weeds will quickly result in herbicide resistance developing...
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Northern grain growers sowed about 450,000 hectares of chickpeas and 30,000 hectares of faba beans in 2012, resulting in the fixation of about 35,000 tonnes of nitrogen (N) worth $55 million in fertiliser N equivalence... data from NSW department of Primary industries long-term rotation experiments in northern NSW show no-till methods improve the productivity and N 2 fixation of chickpeas and faba beans... Similar results were achieved in trials with faba beans (see Table 3)...
GRDC Taxonomy:
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nORTHERn REGIOn Converting rainfall to grain Increasing the amount of water stored in fallows is an important strategy in managing the risks associated with highly variable rainfall in the northern region to improve water use efficiency and potential crop yields... Water use efficiency relies on: the soil's ability to capture and store water; the crop's ability to access water stored in the soil and rainfall during the season; the crop's ability to convert water into biomass; and the crop's ability to convert biomass into grain (harvest index)... Conversion factors for a range of crops and...
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There are a number of ways to deal with high-moisture grain - the key is to act quickly and effectively... Cooling before batching: Batch drying (shown ) is one method of dealing with high-moisture grain and aeration cooling in storage can be used to hold grain safely before it can be put through the dryer... Higher airflow rates allow more heat to be added as it will push each drying front through the storage quick enough to avoid over heating the grain close to the aeration ducting...
GRDC Taxonomy:
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KEY poiNtS A range of soil test values used to determine if a nutrient is deficient or adequate is termed a critical range... for Crop growth The critical value indicates if nutrient supply Crop growth not limited by nitrogen and sulfur, which are highly mobile is likely to result in a crop yield response limited by deficiency deficiency in the soil, 0 to 60cm is recommended... KCl-40 S soil tests taken from deeper sampling provide a more reliable prediction of S response in canola...
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Brown manuring of pulse crops is becoming an increasingly popular tool for weed management, particularly where there is herbicide resistance, and for boosting reserves of soil nitrogen for use by the following crop... Pulses should be brown manured by either spraying out in early spring, to coincide with the critical growth stage of the weed, or waiting until plants reach peak biomass to maximise nitrogen fixation... To maximise nitrogen fixation, and maximise biomass, additional costs in fertiliser and herbicides may be required...

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