File:Sporobolus fertilis flowerhead branch1 (7417507388).jpg
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[edit]DescriptionSporobolus fertilis flowerhead branch1 (7417507388).jpg | Introduced, warm-season, perennial, large, dense, tussocky grass, generally more than 1m tall. Leaves are hairless and tough. Stem bases are strongly flattened. Flowerheads are dense, narrow, contracted panicles 25-45 cm long; lower branches often diverge at maturity. Spikelets are 1.6-2 mm long, 1-flowered and dark coloured. Flowers from spring to autumn. A native of Asia, it is an invasive weed in many habitats (e.g. roadsides, pastures, woodlands and forests). A declared noxious weed, it is one of the regions worst pasture weeds. Produces prolific seed, can seed within 2-3 weeks after slashing, is highly invasive and of very low feed value. If control is neglected, this species can completely overrun pastures. Begins growth earlier than many other warm season pasture grasses in spring. During drought it can provide more feed than carpet grass. A combination of methods are required for control including competitive pastures, farm hygiene, mechanical removal, registered herbicides and grazing management. |
Date | |
Source | Sporobolus fertilis flowerhead branch1 |
Author | Harry Rose from South West Rocks, Australia |
Licensing
[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Macleay Grass Man at https://www.flickr.com/photos/73840284@N04/7417507388. It was reviewed on 20 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 May 2015
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:19, 20 May 2015 | 2,592 × 1,944 (625 KB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | NIKON |
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Camera model | E5400 |
Date and time of data generation | Unknown date |
Exposure time | 10/2,147 sec (0.0046576618537494) |
F-number | f/7.2 |
ISO speed rating | 50 |
Lens focal length | 8.7 mm |
Width | 2,592 px |
Height | 1,944 px |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Orientation | Normal |
File change date and time | 11:42, 22 June 2012 |
Software used | PaintShop Pro 14.00 |
Exif version | 2.2 |
Supported Flashpix version | 1 |
Color space | sRGB |
Meaning of each component |
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Image compression mode | 4 |
Date and time of digitizing | Unknown date |
Exposure Program | Normal program |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Partial |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 42 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |