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Minimum tillage

Catalogue: Ground Cover
Low-rainfall cropping needs an appetite for innovation.. Bearded man standing in field 2012 Farmer of the Year Peter Kuhlmann from Mudamuckla, South Australia, employs every strategy at his disposal to conserve moisture and drive improvements in water use efficiency (WUE)... Inter-row sowing, stubble retention, no-till, summer weed control, dry sowing, variable rate seeding and prescription farm mapping are just some of the methods he used to achieve a WUE of 71 per cent in 2012, a year when total rainfall was just 169 millimetres...
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Catalogue: Ground Cover
Victorian Mallee grower James McKee, a committee member of the Victorian No-Till Farmers Association, says he first saw no-till prove itself in 2002, when he planted part of his crop that way and then watched the topsoil on country that was not under no-till turn to dust and blow away in the dry weather... "I had been working the soil less and less before sowing anyway, and found with the proper management, crops planted with notill can at least equal, and often outperform, those planted with all the old-style cultivations beforehand," Mr McKee says... In an average year Mr McKee likes to have about 20 per cent of his country under chemical fallow, with a couple of glyphosate sprays during the fallow year, and has achieved excellent results - perhaps 2.5 tonnes to the hectare of wheat in the immediately following crop, against a general average of about 2t/ha...
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Catalogue: Ground Cover
Experience as a research officer with the South Australian Research and Development Institute (SARDI) meant that Matt Dare hit the ground running when he left the institute and began farming outside Clare in 2000... Because his work with SARDI had focused on no-till research, single pass seeding and the mechanical aspects of no-till, he felt confident moving straight into no-till... Mr Dare says the biggest benefits of no-till are probably fewer tractor hours, timeliness of sowing and moisture conservation, which he has been able to see since he began cropping at Clare...
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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: Ground Cover
Demise of wet autumns drives new farming system.. John was working in London as an accountant 18 years ago when the phone call came through from his father, a farmer from the wheatbelt at Piawaning... John has experimented with a number of solutions, with some success: "There's claying, which involves finding suitable clay in the area, digging it up, spreading and incorporating it into the surface," he says. "..
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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: Ground Cover
The level of soil disturbance has an impact on the herbicide trifluralin By Bernie Reppel.. According to researcher Dr Gurjeet Gill, the level of soil disturbance caused by a tillage system has a significant effect on the bioavailability of trifluralin... "Our work has shown that the level of soil disturbance caused by the tillage system has a significant effect on the bioavailability of trifluralin," Dr Gill says...
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Catalogue: GRDC Media
New report gives insights into grain farm practices.. The report's co-author and GRDC Farm Practices Project Manager, Jan Edwards, says that in comparing the two sets of data, the percentage of farm income flowing from winter cereals has increased in most parts of Australia, (except for central Queensland and parts of Western Australia) and it remains at 66 to 67 per cent of farm income nationally... Ms Edwards said tillage practices had shown some changes since the previous survey, with the percentage of the crop planted using zero or no-tillage remaining high at more than 60 per cent of the hectares nationally, although the percentage has fallen in parts of SA, Victoria and NSW...
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Catalogue: GRDC Publications
94 Average percentage of crop area where plant-available water was assessed through the crop period in 2011 (map) ........................................................................................................................................ TABLE 72 Average percentage of crop area where plant-available water was assessed at planting.. FIGURE 116 Average percentage of crop area where plantavailable water was assessed through the crop period in 2011..
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Catalogue: Ground Cover
Zones based on water use efficiency and variable rate inputs are helping Peter Kuhlmann remain viable on his low-rainfall property near Ceduna, South Australia... At the SPAA Expo in South Australia in February, Peter explained the farming practices he uses to collect and conserve the limited rainfall received by his property... One tool to help maximise crop water use and minimise water loss is stubble retention, using: no-till with knife points - tillage beneath the row is used to help reduce the root disease Rhizoctonia; presswheels; wider row spacing - less crop competiton and allows inter-row sowing to improve seedling establishment due to protection from wind; and early and dry sowing with good seed and nutrient placement...
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