agricultural potential report kebrafield roodepoort colliery · appendix a shows the investigated...
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Multilayer Trading 18 CC CK2000/035966 PO Box 4039 BTW 4670189895 Modimolle 0510 Rietfontein Farm Modimolle www.lanteksa.co.za 082 3744760 Kas [email protected] Report Nr 5/11/2013 5/11/2013 Attention: Eco Curo LAND CAPABILITY REPORT AT PROPOSED KEBRAFIELD ROODEPOORT COLLIERY ON PORTION 17 OF THE FARM ROODEPOORT 151 IN MPUMALANGA PROVINCE.
1. INTRODUCTION
This report presents observations on soil types at the Farm ROODEPOORT at the proposed KEBRAFIELD ROODEPOORT COLLIERY in the Mpumalanga province. The request was carried out in terms of written instruction received from Eco Curo
2. TERMS OF REFERENCE The objectives of the investigation:
o Identification of soil forms present on site;
o The size of the area where a particular soil form is found;
o GPS readings of soil survey points;
o The depth of the soil at each survey point;
o Soil colour;
o Limiting factors;
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o Clay content;
o Slope of the site;
o A detailed map indicating the locality of the soil forms;
o Size of the site.
3. INFORMATION CONSULTED
The following information was consulted: - Soil Classification, a taxonomic classification for South-Africa.
4. SITE INVESTIGATION
The investigation consisted of a detailed field investigation where test pits were augered on different positions to get a good view of the area spatially. Test pits were augered to a depth of 1.2 m and the following variables were recorded: clay percentage, effective depth, colour of soil and soil type. Appendix A shows the investigated area as well as the position of the test pits. The soil profile was described in accordance to “Soil Classification, a taxonomic classification for South-Africa”
5. OBSERVATIONS
The area investigated is typical high veld grassland. A big part of the area is used for dry land crop production. The rest of the area is low laying water canal with wetland properties and is primarily used for grazing. The soil texture is sandy loam and the average soil depth on arable land is 1.2 m. The grazing area’s depth is about 400 mm. The total size of the investigated area is 150 hectares.
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6. SOIL CLASSIFICATION
- The arable land has an average soil depth of about 1.2 m. - The clay percentage differs between 15 and 30 %. - The colour of the soil profiles differs between red, yellow and brown. - The most predominant soil types on the croplands are Avalon and Huttons. - The predominant soil type on the grazing areas is some Westleigh and
Longlands. - The soil potential with the average rainfall on the crop fields could yield
up to 7 t/ha maize. The Grazing area has low potential for crop production and could yield up to 3 t/ha.
See table 1 for details of every test pit. Appendix B shows the GIS interpolated map for soil types.
Table 1
Test Pit LONGITUDE LATITUDE Clay% Colour
Effective Depth(mm)
Limiting Layer Soil type Crop Potential
1 29.58424957 -26.01822799 20 Brown 800 Soft Plinthite Avalon Medium 2 29.58304693 -26.01552600 20 Red 1200 Unspecified Hutton High 3 29.58267109 -26.01073005 20 Brown 300 Soft Plinthite Westleigh Low 4 29.58056656 -26.00633944 15 Brown 300 E-Horizon Longlands Low 5 29.57988997 -26.00323227 15 Brown 300 E-Horizon Longlands Low 6 29.57643244 -26.00323227 20 Red 1200 Unspecified Hutton High 7 29.57680828 -26.00816334 25 Red 1200 Unspecified Hutton High 8 29.57797337 -26.01403285 20 Yellow 500 Soft Plinthite Avalon Medium
7. GENERAL
The above observations are based on standard agricultural practices and methods used in most agricultural developments as well as “CRITERIA FOR HIGH POTENTIAL AGRICULTURAL LAND IN SOUTH AFRICA” Report nr. GW/A/2002/21. The agricultural potential for crop production on the existing arable land is high. The area used as grazing has low to medium potential as crop production areas. The farms existing agricultural use of the area is optimum. The best agricultural purpose for the area is as it is currently being used.
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We trust that the above information will meet with your requirements, please do not hesitate to call for further information.
Yours truly -------------------------- L.J. van der Merwe B.ing (Agriculture) LantekSA
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APPENDIX A: Test pits
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Features
test pit
Bing Maps (9.5546 m)RGB
Red: Band_1
Green: Band_2
Blue: Band_3
Kebrafield Roodepoort Colliery Land Capability Test Pits
¬Map Area - 418.8 ha LantekSA
31 Strydom StrModimolle, Limpopo 05100823744760
05/11/2013 11:20:50 Copyright (C) 1997-2012 Topcon Precision Ag. All Rights Reserved.
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Appendix B: Soil type.
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