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Catalogue: GRDC Updates
Dry weight response of crops to increasing P levels with and without mycorrhizal fungi in the soil... Unlike saprobic soil fungi, which colonise and break down organic matter and do not require a host plant in the system to complete their lifecycle, arbuscular mycorrhizal fungi (AMF), the type found in cropping systems, do require the presence of a host to reproduce and are called obligate symbionts... Having adequate populations of mycorrhizal fungi present in soils can be beneficial and in some cases essential for crop growth...
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Catalogue: Ground Cover
Dr Hashem says a rotation of wheat/lupins or lupins/wheat followed by Roundup Ready (RR) canola and use of alternative herbicides with diverse modes of action were the keys to success... Dr Hashem says the trial compared row spacings of 22 and 44 centimetres and found that any moisture conservation benefit from using wider rows at the Cunderdin site was offset by reduced crop establishment (by 20 to 25 per cent on average for all crop types) and weed-control failure... Dr Hashem says that the use of Flexi N reduced canola establishment in both 22 and 44cm row spacing plots compared with urea, but increased canola crop vigour by 15 per cent and grain yield by 12 per cent...
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Catalogue: Ground Cover
Dr Hashem says a rotation of wheat/lupins or lupins/wheat followed by Roundup Ready (RR) canola and use of alternative herbicides with diverse modes of action were the keys to success... Dr Hashem says the trial compared row spacings of 22 and 44 centimetres and found that any moisture conservation benefit from using wider rows at the Cunderdin site was offset by reduced crop establishment (by 20 to 25 per cent on average for all crop types) and weed-control failure... Dr Hashem says that the use of Flexi N reduced canola establishment in both 22 and 44cm row spacing plots compared with urea, but increased canola crop vigour by 15 per cent and grain yield by 12 per cent...
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Catalogue: Ground Cover
Big decisions reshaping the cotton landscape.. Mr Crosby found that 12 tonnes a hectare of irrigated maize had the same gross margins as 10 bales/ha of cotton, and twice the area of maize compared with cotton could be watered using the same bore pumping capacity - meaning a lot more product per irrigation season... Cotton the profit choice, wheat the fall-back By Kellie Penfold Gross margin analysis shows cotton still easily returns the highest profit per megalitre, when water is not an issue A gross margin analysis of irrigated cotton compared with irrigated winter wheat based on the 2008 returns has found that, on a per megalitre basis, cotton is still more profitable...
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