File:Zea mays acid soil 2017 01 05 6265e.jpg
From Wikivoyage
Jump to navigation
Jump to search
Size of this preview: 800 × 521 pixels. Other resolutions: 320 × 209 pixels | 640 × 417 pixels | 1,024 × 667 pixels | 1,280 × 834 pixels | 2,560 × 1,668 pixels | 5,364 × 3,496 pixels.
Original file (5,364 × 3,496 pixels, file size: 3.29 MB, MIME type: image/jpeg)
This is a file from the Wikimedia Commons and may be used by other projects. Information from its description page there is shown below.
Commons is a freely licensed media file repository. |
Summary
DescriptionZea mays acid soil 2017 01 05 6265e.jpg |
English: Maize growing in highly weathered, acid soils on Cedara Research Farm, KwaZulu-Natal. The soil in the background has been limed, but the plants in the foreground are growing in highly acidic soils (Acid saturation 60-70%; pH(water) 4.4; pH(KCl) 3.9), and are suffering from aluminium (Al) toxicity. This is the most important soil-acidity related disorder affecting maize in highly weathered acid soils in the tropics and subtropics. The primary effect of Al toxicity is the reduction of root growth; roots are often malformed, thickened and stubby.
As a result of the poor root growth, secondary effects are:
|
Date | |
Source | Own work |
Author | Alandmanson |
Camera location | 29° 32′ 30.56″ S, 30° 14′ 44.72″ E | View this and other nearby images on: OpenStreetMap | -29.541822; 30.245756 |
---|
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Items portrayed in this file
depicts
some value
5 January 2017
29°32'30.559"S, 30°14'44.722"E
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:13, 14 May 2017 | 5,364 × 3,496 (3.29 MB) | Alandmanson | User created page with UploadWizard |
File usage
There are no pages that use this file.
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS 7D Mark II |
Author | Alan Manson |
Exposure time | 1/320 sec (0.003125) |
F Number | f/14 |
ISO speed rating | 400 |
Date and time of data generation | 14:00, 5 January 2017 |
Lens focal length | 100 mm |
height | 3,496 |
width | 5,364 |
Orientation | Normal |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | Digital Photo Professional |
File change date and time | 14:00, 5 January 2017 |
Y and C positioning | Centered |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 14:00, 5 January 2017 |
Meaning of each component |
|
APEX shutter speed | 8.375 |
APEX aperture | 7.625 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 97 |
DateTimeOriginal subseconds | 97 |
DateTimeDigitized subseconds | 97 |
Supported Flashpix version | 1 |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS tag version | 0.0.3.2 |
Rating (out of 5) | 0 |