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Row spacing

Catalogue: GRDC Updates (West)
On-row seeding enhanced P and K concentrations of wheat plants at early growth stages up to flowering, relative to between-row seeding, when the respective soil-test P and K concentrations were low and/or when MAP fertiliser was not banded at seeding... Mean wheat yields (i.e. average of 2 or 3 MAP fertiliser rates ranging from 0 to 50 or 80 kg ha -1) were: (a) 11-14 per cent lower with on-row seeding at Binnu (where wheat followed wheat in 25 cm rows); (b) 7 per cent higher with on-row seeding at Mullewa (where wheat followed barley in 30 cm rows); and (c) not different at Pindar (where wheat followed wheat in 30 cm rows)... Project No.: 67F Central Farming Systems Paper reviewed by: Linda Leonard Crop Updates is a partnership between the Department of Agriculture, Western Australia and the Grains Research & Development Corporation 73..
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Catalogue: GRDC Updates
Sow the following wheat crop directly over the row of the previous years break crop and NOT between the old rows.. What the experiment has shown is that simply alternating row placement in consecutive years will not result in yield gains but a yield loss and increased CR (BO system)... Even the traditional on row system (OO) had a better yield and CR outcome than the BO system because the break crop was sown directly over the old wheat stubble row excavating the residue out of the row (tyne with spear points) and providing a direct break to the CR fungus (see Table 2 and 3)...
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Catalogue: GRDC Publications
" Goondiwindi GRDC Grains Research Update Day 1 - Tuesday 4 th March Time Topic Speaker (s) 10:00 AM James Clark (Chair Northern Welcome Panel GRDC) 10:10 AM General plenary (Supported by North West Local Land Services) 10:10 AM 10:40 AM.. Overall, both models are acceptable for modelling soil evaporation over a range of soils and seasons provided accurate soil physical properties and starting water states are known... Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)...
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Catalogue: GRDC Publications
Influence of fungicide rate (mean of fungicide products - four site mean) Stem rust control assessed over the four trial sites revealed that using high rates was essential for the control of the disease, even if the fungicide had been applied prophylactically (before infection was visible in the crop)... Influence of cultivar resistance and fungicide application (Prosaro ) on yield and stem rust severity measured on the flag sheath 18 days after fungicide application at early dough (GS82) and assessed at mid dough - physiological maturity (GS85-90) - Bairnsdale, Gippsland, Victoria, 2010... The yield potential for the crop with no nitrogen applied is estimated at GS30 from the results of numerous of trials conducted in that region where NDVI at GS30 is divided by the number of growing degree days (GDD) greater than 0 C since planting, referred to as the INSEY units (in season estimate of yield)...
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Catalogue: GRDC Factsheets
Although row spacing is a relatively simple thing to change, the effect on the whole farm system can be complex and can influence yield, time of sowing, machinery, herbicide, and seed and fertiliser costs, as well as the types of crops sown... Doubling the row spacing from 18 to 36cm resulted in a two per cent loss in yield in barley and a five per cent loss in wheat... Wider row spacing increases the concentration of nutrients per metre of row if the rate per hectare is maintained...
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Catalogue: GRDC Final Reports
The project has underpinned a significant shift in the approach to cereal, pulse and canola production across the cropping areas of South Australia... Growers have changed their approach from a "recipe - high input" farming practice to a more tactile risk management approach with the skills gained from principles demonstrated throughout the project... The project has enabled growers to confidently apply later nitrogen to manage seasonal risk and crop canopies with little or no risk of decreased yields in drier than average seasons...
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Catalogue: GRDC Factsheets
Although row spacing is a relatively simple thing to change, the effect on the whole farm system can be complex and can influence yield, time of sowing, machinery, herbicide, and seed and fertiliser costs, as well as the types of crops sown... Doubling the row spacing from 18 to 36cm resulted in a two per cent loss in yield in barley and a five per cent loss in wheat... Wider row spacing increases the concentration of nutrients per metre of row if the rate per hectare is maintained...
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Catalogue: GRDC Factsheets
Although row spacing is a relatively simple thing to change, the effect on the whole farm system can be complex and can influence yield, time of sowing, machinery, herbicide, and seed and fertiliser costs, as well as the types of crops sown... Doubling the row spacing from 18 to 36cm resulted in a two per cent loss in yield in barley and a five per cent loss in wheat... Wider row spacing increases the concentration of nutrients per metre of row if the rate per hectare is maintained...
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Catalogue: GRDC Media
Growers urged to count the yield cost of wide rows.. Winter cereal growers in the northern region are being urged to carefully assess the yield cost of their row spacing decisions... Grains Research and Development Corporation (GRDC) supported trials by NSW DPI researchers at the Tamworth Agricultural Institute and the Condobolin Agricultural Research & Advisory Station in 2009 and 2010 found that yield loss from 30 cm to 40 cm row spacings averaged approximately 0.3 tonnes/hectare but varied from less than 0.2 up to 0.8 t/ha...
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Catalogue: GRDC Media
Count the cost of wide rows.. The widespread adoption of minimum and zero tillage farming systems in the north has been a driving force behind the practice of widening row spacings which enable some growers to better handle stubble loads, reduce machinery and planting costs, and maximise soil water infiltration and storage... Although row spacing is relatively simple to change, the effect on the whole farm system can be complex and can influence grain yield, timeliness of sowing, machinery choice, residual herbicide choice, seed and fertiliser costs, weed management, development of herbicide resistance, and the configuration of other crops sown within the farming system...
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Assigned key phrases

wheat row (2)
wider row (13)