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Catalogue: GRDC Factsheets
Early research on recently released bread and durum wheat varieties suggests some new varieties may have a more stable yield across wider row spacing... The best results are achieved with row spacings of 30cm or more and using +/-2cm accuracy guidance and autosteer... To establish soil nutrient status in systems using wider row spacing a modified approach to soil sampling is suggested...
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Catalogue: GRDC Factsheets
Increasing row spacing up to 30 centimetres has no effect on wheat yield, when yield potential is less than 3.5 tonnes per hectare... In a dry season, increasing row spacing from 18 to 36 and 54cm resulted in yield penalties in wheat and barley but no difference in water use was recorded with different row spacings... To establish soil nutrient status in systems using wider row spacing a modified approach to soil sampling is suggested...
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Catalogue: GRDC Factsheets
Increasing row spacing up to 30 centimetres has no effect on wheat yield, when yield potential is less than 3.5 tonnes per hectare... In a dry season, increasing row spacing from 18 to 36 and 54cm resulted in yield penalties in wheat and barley but no difference in water use was recorded with different row spacings... To establish soil nutrient status in systems using wider row spacing a modified approach to soil sampling is suggested...
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Catalogue: GRDC Factsheets
Increasing row spacing up to 30 centimetres has no effect on wheat yield, when yield potential is less than 3.5 tonnes per hectare... In a dry season, increasing row spacing from 18 to 36 and 54cm resulted in yield penalties in wheat and barley but no difference in water use was recorded with different row spacings... To establish soil nutrient status in systems using wider row spacing a modified approach to soil sampling is suggested...
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Catalogue: GRDC Media
Mr Milne has been hosting a series of Pulse Agronomy trials, from which early data indicates that a move to 25cm row spacings could deliver an extra 1t/ha compared to 1m rows... "We were growing chickpeas on 30 inch or roughly 75cm row spacings but because the trial showed there was a significantly higher yield on offer we have already halved our row spacings to 15" (37cm) - all we did was double planted them with our 30" planter to get our 15" row spacing... " Mr Milne owns and leases a total of 600 hectares of highly fertile black soil country on the Jimbour Plain just north of Dalby, growing dryland sorghum, chickpeas, faba beans, mung beans, barley and wheat, as well as some irrigated cotton and corn...
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Catalogue: GRDC Final Reports
The project aimed to help growers achieve high barley yields and desired grain quality targets by the effective adoption of new varieties, particularly in stubble retention, no-tillage and precision farming systems... Over three seasons, 109 field trials were used to measure the responses of varieties to factors such as sowing time, row spacing, seeding rate, phosphorus, nitrogen, weed competition, seeding depth, disease control, grazing, herbicides, and combinations of these factors... Yield responses to sowing time of up to 20 barley varieties were measured at up to three sites each season...
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Catalogue: Ground Cover
Seed spacing history's full turn.. "When we switched to an airseeder, we decided to use 25-centimetre spacings with the wheels outside the frame," Peter says... "Past research has proven that switching to narrower row spacings will boost crop competition, reduce weed seed-set and lift yields - they are foregone conclusions."..
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Catalogue: Ground Cover
With multiple resistance occurring in some weed species, such as ryegrass and wild oats, there is an increasing need for growers to use some non-chemical measures to improve the effectiveness of their herbicides... "WA has been running this kind of trial since 2002 and has consistently found that an east-west crop orientation decreases weed biomass by 30 to 50 per cent," Mr Brooke says... "Obviously 66cm is an excessively wide row space for winter cereals, but the trial showed that the effect of row space is real and measurable, and can add significantly to other weed-control practices," Mr Brooke says...
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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by Department of Agriculture.. Agribusiness Crop Updates 2004 ACKNOWLEDGMENTS.. Overall, consistent yield increases were seen at nearly all sites treated with the two best strains (Table 2), even though the commercial fungicide was not effective...
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Catalogue: Ground Cover
Paul experimented with where to place the wetting agent (on top of the soil, next to the seed, below the seed) and found he could achieve good germination the first year, but patchy results the following year... The knife point runs just to the left of the previous year's stubble row to avoid bulldozing, and a wing set to the right of the boot places the seed under the existing stubble to target the moisture zone... The iTILL device runs a sensor over the stubble, while two hydraulic rams on the drawbar steer the seeder independently to the tractor to ensure the seed is placed into the moisture zone established by the previous crop...
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