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Journal articles on the topic 'Taung (Vryburg, South Africa)'

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Published: 4 June 2021
Last updated: 12 February 2022

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1

Agbobli, Edem Korku, Olabanji Oni, and Olawale Fatoki. "Market Orientation and Performance of Small Businesses in South Africa." Journal of Economics and Behavioral Studies 9, no. 5(J) (2017): 135–43. http://dx.doi.org/10.22610/jebs.v9i5(j).1915.

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The study focused on identifying the relationship between market orientation and performance of small businesses in Vryburg region of South Africa. It aimed to achieve the following objectives, (1) To determine the level of market orientation among small businesses in Vryburg region of South Africa, (2) To establish if there is any relationship between market orientation and performance of small businesses in Vryburg region of South Africa. The study was exploratory in nature and utilised the quantitative research method with a descriptive research design. 268 questionnaires were distributed to small businesses owners/managers in the Vryburg region of South Africa. 207 questionnaires were returned, 9 questionnaires out of the 207 returned were incorrectly filled. Simple random sampling, a probability sampling technique was used in the study. Data analysis included descriptive statistics, correlation and regression analysis. The Cronbach’s Alpha co-efficient was used to measure reliability. The findings revealed that the majority of small businesses in Vryburg region of South Africa are market oriented. The findings further show that there is a positive relationship between market orientation and the performance of small business in the Vrburg region of South Africa. The study proposed the formalisation of small businesses, the development of strategic cultures as well as entrepreneurship and business management training for small business owners and managers.
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Agbobli, Edem Korku, Olabanji Oni, and Olawale Fatoki. "Market Orientation and Performance of Small Businesses in South Africa." Journal of Economics and Behavioral Studies 9, no. 5 (2017): 135. http://dx.doi.org/10.22610/jebs.v9i5.1915.

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The study focused on identifying the relationship between market orientation and performance of small businesses in Vryburg region of South Africa. It aimed to achieve the following objectives, (1) To determine the level of market orientation among small businesses in Vryburg region of South Africa, (2) To establish if there is any relationship between market orientation and performance of small businesses in Vryburg region of South Africa. The study was exploratory in nature and utilised the quantitative research method with a descriptive research design. 268 questionnaires were distributed to small businesses owners/managers in the Vryburg region of South Africa. 207 questionnaires were returned, 9 questionnaires out of the 207 returned were incorrectly filled. Simple random sampling, a probability sampling technique was used in the study. Data analysis included descriptive statistics, correlation and regression analysis. The Cronbach’s Alpha co-efficient was used to measure reliability. The findings revealed that the majority of small businesses in Vryburg region of South Africa are market oriented. The findings further show that there is a positive relationship between market orientation and the performance of small business in the Vrburg region of South Africa. The study proposed the formalisation of small businesses, the development of strategic cultures as well as entrepreneurship and business management training for small business owners and managers.
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3

Tobias, Phillip V., John C. Vogel, H. Dieter Oschadleus, Timothy C. Partridge, and Jeffrey K. McKee. "New Isotopic and Sedimentological Measurements of the Thabaseek Deposits (South Africa) and the Dating of the Taung Hominid." Quaternary Research 40, no. 3 (1993): 360–67. http://dx.doi.org/10.1006/qres.1993.1089.

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AbstractEarlier attempts to date the Taung hominid type specimen of Australopithecus africanus Dart yielded conflicting results. Recent faunal studies pointed to an age of 2.3 myr. Radioisotopic results suggested 1.0 myr. New uranium studies reveal that the Thabaseek (the oldest Taung tufa) was not a closed system and that younger uranium entered the tufa after initial deposition, producing an apparent isotopic age younger than the age of deposition. The Thabaseek isotopic dates provide only a terminus ad quem and this technique is therefore not applicable to the older Taung tufas. Delson's dating (2.3 myr) of cercopithecoids from Hrdlicka's pinnacle ca. 50 m from the hominid site provides the best available approximation to the age of the hominid. In our new Taung excavation, stratigraphic analysis indicates that the hominid may somewhat predate most identified fauna. Sedimentologically the hominid matrix proves to be of fluvial deposition, and hence closely resembles one Hrdlicka deposit, both samples differing appreciably from all other Taung samples which bespeak eolian deposition. Thus, the conditions under which the hominid-bearing stratum was deposited were virtually identical to those pertaining to one of the Hrdlicka deposits. The newest results show that Taung was not the youngest South African australopithecine site and eliminate the discrepancy between the relative ages of the Taung A. africanus africanus and the Sterkfontein A. africanus transvaalensis.
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Bennett, Wm G., Maxine Diemer, Justine Kerford, Tracy Probert, and Tsholofelo Wesi. "Setswana (South African)." Journal of the International Phonetic Association 46, no. 2 (2016): 235–46. http://dx.doi.org/10.1017/s0025100316000050.

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Setswana (also known as ‘Tswana’ or, more archaically, ‘Chuana’ or ‘Sechuana’) is a Bantu language (group S.30; ISO code tsn) spoken by an estimated four million people in South Africa. There are a further one million or more speakers in Botswana, where it is the dominant national language, and a smaller number of speakers in Namibia. The recordings accompanying this article were mostly produced with a 21-year-old male speaker from the area of Taung, North-West province, South Africa. Some of the accompanying recordings are of a 23-year-old female speaker from Kuruman (approximately 150 km west of Taung). The observations reported here are based on consulting with both these speakers, as well as a third speaker, from Kimberley. All three were speakers of South African Setswana varieties. For discussion of some differences between these varieties and more Northern and Eastern Setswana dialects – including those spoken in Botswana – see (Doke 1954, Cole 1955, University of Botswana 2001).
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5

Sebitloane, Tshegofatso K. J., Hendri Coetzee, Klaus Kellner, and Pieter Malan. "The socio-economic impacts of bush encroachment in Manthestad, Taung, South Africa." Environmental & Socio-economic Studies 8, no. 3 (2020): 1–11. http://dx.doi.org/10.2478/environ-2020-0013.

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AbstractBush encroachment involves a widespread increase in, and abundance of, woody vegetation in grassland and savanna biomes. This phenomenon has a direct impact on the socio-economic well-being of rural communities and affects livestock owners and those who utilise the land for various other purposes. This study set out to evaluate and gain an understanding of how livestock owners and land users in a typical rural village in South Africa’s North West Province perceive bush encroachment and the impact it has on the community’s ecosystem services. A quantitative, non-experimental, cross-sectional design was used to document the perceptions of the participants regarding bush encroachment and bush control in an attempt to describe characteristics and to find answers to questions related to how local communities are affected by bush encroachment and the control thereof. The results show that encroachment has a significant impact on the socio-economic status of participants. Furthermore, it was found that the vast untapped knowledge of local livestock owners is vital to control bush encroachment, preserve the land for various types of usage and to conserve natural resources. Evaluating participants’ responses and perceptions also contributed significantly to gaining an understanding of how bush encroachment and the control thereof impact rural communities socio-economically. This led the contributors to conclude that raising awareness, actively engaging with the community, imparting skills and offering educational opportunities, creating jobs, merging biophysical activities and promoting active participation are key to the success of programmes aimed at bush control and the resultant improvement of ecosystem services.
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6

Kuman, Kathleen. "An Acheulean Factory Site with Prepared Core Technology near Taung, South Africa." South African Archaeological Bulletin 56, no. 173/174 (2001): 8. http://dx.doi.org/10.2307/3889024.

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7

Parker, Jennifer F., Philip J. Hopley, and Brian F. Kuhn. "Fossil Carder Bee's Nest from the Hominin Locality of Taung, South Africa." PLOS ONE 11, no. 9 (2016): e0161198. http://dx.doi.org/10.1371/journal.pone.0161198.

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8

Oni, Olabanji, Edem Korku Agbobli, and Chux Gervase Iwu. "Entrepreneurial Orientation and Performance of Small Business in Vryburg Region North West Province South Africa." Journal of Reviews on Global Economics 8 (February 1, 2019): 63–71. http://dx.doi.org/10.6000/1929-7092.2019.08.07.

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9

Wehner, Todd, James McCreight, Roger Ellis, and Mariana Jooste. "Germplasm Expedition to Collect Wild Cucurbits in the Republic of South Africa." HortScience 32, no. 3 (1997): 495D—495. http://dx.doi.org/10.21273/hortsci.32.3.495d.

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A germplasm expedition was organized to collect seeds in the Republic of South Africa. There was an abundance of wild cucurbits there in 1996 because of an unusually rainy summer. Southern Africa is a major center of diversity for melons of Cucumis and Citrullus, and there were many plants with mature fruits along roadsides, and in other areas that had been recently disturbed. The team met in Johannesburg on 25 Apr. 1996, and covered 4213 km (passing through 35 cities and towns) located in four provinces in the northern half of the country. The expedition passed through Pretoria, Potgietersrus, Elisras, Zeerust, Bray, Van Zylsrus, Kalahari Gemsbok Nat. Park, Upington, Postmasburg, Vryburg, and Derdepoort, and visited areas bordering Zimbabwe, Botswana, and Namibia. In 9 days, 112 accessions were collected belonging to 10 species of six genera (Acanthosicyos, Citrullus, Coccinia, Cucumis, Momordica, and Zehneria). Plant, soil and geographic data were recorded for each accession. Data and seeds for the 112 accessions were added to the germplasm collections of the two countries, and can be obtained free from the USDA by interested researchers.
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10

Mphothulo, Ndiviwe, Supa Pengpid, and Karl Peltzer. "Factors Associated with Tuberculosis Reinfection and Treatment Failure in Taung Sub-District, South Africa." Studies on Ethno-Medicine 6, no. 1 (2012): 23–30. http://dx.doi.org/10.1080/09735070.2012.11886416.

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11

Ekobi, Gabriel, and Lovelyne Mboh. "An Exploratory Study in to the Benefits and Challenges Facing Small-Scale Farmers in the Taung Irrigation Scheme, North West Province, South Africa." Asian Journal of Agriculture and Rural Development 8, no. 1 (2018): 28–39. http://dx.doi.org/10.18488/journal.1005/2018.8.1/1005.1.28.39.

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This study examined the benefits and challenges small-scale farmers faced in the Taung irrigation scheme. Irrigation schemes have been identified as the backbone in promoting agriculture in South Africa. Nevertheless, literature have shown that very few studies have been conducted on the benefits and challenges facing small-scale farmers in irrigation schemes, there is a need to supplement this gap. The findings contend that Taung irrigation scheme enabled small-scale framers to generate income. Income made in the scheme permitted small-scale farmers to purchase gardening tools such as watering cans, cattle ploughs and hoes to improve productivity. The scheme also provides a platform for farmers to produce more food therefore, a reduction in poverty incidence in the area. However, challenges such as lack of market, absence of institutional structure, farming capital, transport and loss of harvest through theft are affecting farmers on the scheme. Institutional structure is needed since it allows small-scale farmers to make decision regarding management of the scheme.
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12

Achemfuor, Akwasi Arko. "Assuring Rural Youths Better Future through Partnerships: The Case of Tiger Kloof Educational Institution, Vryburg, South Africa." Anthropologist 16, no. 3 (2013): 721–24. http://dx.doi.org/10.1080/09720073.2013.11891398.

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13

Scott, Louis. "Pollen Analysis of Hyena Coprolites and Sediments from Equus Cave, Taung, Southern Kalahari (South Africa)." Quaternary Research 28, no. 1 (1987): 144–56. http://dx.doi.org/10.1016/0033-5894(87)90039-1.

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AbstractEquus Cave, in Quaternary tufa near Taung in the semiarid woodland of the southern Kalahari, yielded 2.5 m of sediment in which a rich assemblage of bones and coprolites was preserved. The fossils were accumulated mainly by hyenas during the late Pleistocene and Holocene. Pollen from coprolites reflects diet as well as vegetation over relatively large areas visited by hyenas, while pollen from sediments represents more local sources. The pollen sequence derived from coprolites and sediments demonstrates how the vegetation evolved from open grassland with small shrubs and occasional trees during the late Pleistocene, to open savanna with more small shurbs, then, during the last 7500 yr, to modern savanna. Temperatures were not more than 4°C cooler and it was slightly moister than today during the late Pleistocene phase; it became gradually warmer but relatively dry before optimal temperature and moisture conditions developed around 7500 yr B.P. Climatic conditions slightly less favorable for woodland occurred during part of the late Holocene.
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14

McKee, Jeffrey K., and Kevin L. Kuykendall. "The Dart Deposits of the Buxton Limeworks, Taung, South Africa, and the context of the TaungAustralopithecusfossil." Journal of Vertebrate Paleontology 36, no. 2 (2016): e1054937. http://dx.doi.org/10.1080/02724634.2015.1054937.

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15

Kaszycka, Katarzyna A. "The Australopithecines – An Extinct Group of Human Ancestors: My Scientific Interest in South Africa." Werkwinkel 12, no. 1 (2017): 7–17. http://dx.doi.org/10.1515/werk-2017-0001.

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Abstract I introduce the subject of my research interest in South Africa - the australopithecines - a group of bipedal, small-brained and large-toothed creatures from the Plio-Pleistocene, from which the human genus arose. I then briefly discuss various topics of my research, concerning: (1) Taxonomic status and morphological description of the extinct human relative from the Kromdraai site (Australopithecus robustus); (2) Graphic reconstruction of the partial skull from Kromdraai - specimen numbered TM 1517; (3) Assessment of size sexual dimorphism of the South African australopithecines (Australopithecus robustus and Australopithecus africanus), which, in terms of facial features, was pronounced - being almost gorilla-sized; (4) Social behavior of a fossil hominid species from around 2 million years ago, which, in terms of the social structure, was most likely a multimale-multifemale one; and (5) An event from the history of paleoanthropology, concerning the content of the 1924/25 photographs of the Taung Child (Australopithecus africanus) - the first australopithecine skull discovered.
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WILLIAMS, F. L., and J. W. PATTERSON. "RECONSTRUCTING THE PALEOECOLOGY OF TAUNG, SOUTH AFRICA FROM LOW MAGNIFICATION OF DENTAL MICROWEAR FEATURES IN FOSSIL PRIMATES." PALAIOS 25, no. 7 (2010): 439–48. http://dx.doi.org/10.2110/palo.2009.p09-116r.

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17

Tekana, S. S., and O. I. Oladele. "Impact Analysis of Taung Irrigation Scheme on Household Welfare among Farmers in North-west Province, South Africa." Journal of Human Ecology 36, no. 1 (2011): 69–77. http://dx.doi.org/10.1080/09709274.2011.11906419.

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18

Sebetha, E. T., and A. T. Modi. "Influence of Management Practices on Selected Cowpea Growth Attributes and Soil Organic Carbon." Journal of Agricultural Science 8, no. 11 (2016): 20. http://dx.doi.org/10.5539/jas.v8n11p20.

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<p>Cowpea is a multi-purpose nitrogen fixing crop that can be grown as a vegetable, grain legume and a fodder. The objectives of this study were to investigate the growth response of cowpea to different cropping systems at different locations and determine nitrogen fertilization on cowpea growth and soil organic carbon content. Three cropping systems were used, namely, maize-cowpea rotation, cowpea monocropping and maize-cowpea intercropping at three locations (Potchefstroom, Taung, and Rustenburg) in South Africa during 2011/12 and 2012/13 planting seasons. Nitrogen fertilizer was applied at two rates where no application was the control at all locations and application according to soil analysis recommendation for maize requirement was applied at each location. The variables measured for cowpea growth were days to 100% flowering and physiological maturity, number of leaves and nodules per cowpea plant. Soil organic carbon was determined for each treatment. The results showed that, maize-cowpea rotation and monocropping reached days to 100% flowering and maturity significantly earlier compared to intercropping. Cowpea planted at Potchefstroom and Rustenburg reached days to 100% flowering and physiological maturity significantly earlier than cowpea planted at Taung. Cowpea planted at Taung had significantly higher number of nodules per plant than cowpea planted at Potchefstroom and Rustenburg. There was also a positive correlation between soil organic carbon and cowpea growth. It is concluded that the positive effect of cowpea in agronomic systems is enhanced by the correct cropping system, although it is affected by location.</p>
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Doran, Taylor Louise, Andy I. R. Herries, Philip J. Hopley, et al. "Assessing the paleoenvironmental potential of Pliocene to Holocene tufa deposits along the Ghaap Plateau escarpment (South Africa) using stable isotopes." Quaternary Research 84, no. 1 (2015): 133–43. http://dx.doi.org/10.1016/j.yqres.2015.04.008.

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The tufa deposits of the Ghaap Plateau escarpment provide a rich, yet minimally explored, geological archive of climate and environmental history coincident with hominin evolution in South Africa. This study examines the sedimentary and geochemical records of ancient and modern tufas from Buxton-Norlim Limeworks, Groot Kloof, and Gorrokop, to assess the potential of these sediments for providing reliable chronologies of high-resolution, paleoenvironmental information. Chronometric dating demonstrates that tufa formation has occurred from at least the terminal Pliocene through to the modern day. The stable isotope records show a trend toward higher, more variable δ18O and δ13C values with decreasing age from the end of the Pliocene onwards. The long-term increase in δ18O values corresponds to increasingly arid conditions, while increasing δ13C values reflect the changing proportion of C3/C4 vegetation in the local environment. Analysis of the Thabaseek Tufa, in particular, provides valuable evidence for reconstructing the depositional and chronological context of the enigmatic Taung Child (Australopithecus africanus). Collectively, the results of the present study demonstrate the potential of these deposits for developing high-precision records of climate change and ultimately, for understanding the causal processes relating climate and hominin evolution.
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LEWIN, R. "The Taung Baby Reaches Sixty: Sixty years ago the first australopithecine fossil was found in South Africa; prejudiced against it, the establishment did not want to know." Science 227, no. 4691 (1985): 1188–90. http://dx.doi.org/10.1126/science.227.4691.1188.

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21

Belane, Alphonsus K., Flora Pule-Meulenberg, Thabo I. Makhubedu, and Felix D. Dakora. "Nitrogen fixation and symbiosis-induced accumulation of mineral nutrients by cowpea (Vigna unguiculata L. Walp.)." Crop and Pasture Science 65, no. 3 (2014): 250. http://dx.doi.org/10.1071/cp13283.

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Little information currently exists on the relationship between rhizobial symbiosis and mineral accumulation in nodulated legumes. The aim of this study was to measure fixed nitrogen (N) in whole plants and in young fully expanded trifoliate leaves of cowpea genotypes, and to relate this to mineral accumulation in the leaves. The data revealed marked differences between high and low N2-fixing genotypes, with the former consistently showing greater %N, plant or leaf total N, and amount of N fixed compared with the latter. There was a 2.0–3.8-fold difference in amount of N fixed at whole-plant level between high- and low-fixing cowpea genotypes at Taung, South Africa, and 2.4–4.0-fold at Manga, Ghana. Furthermore, the genotypes with high N2 fixation consistently exhibited greater concentration and content of minerals (e.g. P, K, Mg, S, Na, Fe, Cu, Zn, Mn and B) in their trifoliate leaves, whereas those that recorded low N2 fixation accumulated lesser amounts of mineral nutrients in leaves. In a nodulation assay, we found that rhizobial isolates TUT53b2vu and TUT33b4vu, which exhibited higher symbiotic efficiency (measured here as nodule number, nodule fresh weight, and plant dry matter yield), also elicited greater mineral accumulation in cowpea shoots, while strains with low N2-fixing ability induced limited mineral accumulation. These results, together with a correlation analysis, show that, at least in nodulated cowpea, there is a strong relationship between N2-fixing efficiency and mineral accumulation, two traits that could be exploited in breeding programs for improved human nutrition and health.
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Sebetha, E. T., and A. T. Modi. "Influence of Crop Growth Stages and Management Practices on Soil Water Content at Different Soil Depths under Dryland Conditions." Journal of Agricultural Science 9, no. 11 (2017): 88. http://dx.doi.org/10.5539/jas.v9n11p88.

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Soil water loss through evaporation plays a role on low crop productivity and this is due to poor cropping systems and soil surface coverage. The study was carried out at three locations of North-West province of South Africa, which were Potchefstroom, Taung and Rustenburg during 2011/12 and 2012/13 planting seasons. The experimental design was a factorial experiment laid out in a randomised complete block design (RCBD) with three replicates. The experiment consisted of five cropping systems, which were monocropping cowpea, monocropping maize, cowpea followed by maize in rotation, maize followed by cowpea in rotation and intercropping maize-cowpea. The three crop growth stages compared in this study were before tasselling/flowering, during tasselling/pod formation and during physiological maturity of maize and cowpea. Soil was sampled for the 0-0.15, 0.15-0.3, 0.3-0.6 and 0.6-0.9 m depth increments and soil water content determined using the Gravimetric method. The crop growth stage before tasselling/flowering in maize/cowpea had significantly (P < 0.05) higher water content of 10.2, 10.8, 12.5 and 13.3% at the depth of 0-0.15, 0.15-0.3, 0.3-0.6 and 0.6-0.9 m respectively. Soil collected at Rustenburg and Potchefstroom had significantly (P < 0.05) higher water content of 13.5 and 10.2; 15.9 and 10.9; 18.3 and 12.8; 18.4 and 14.5% at the depths of 0-0.15, 0.15-0.3, 0.3-0.6 and 0.6-0.9 m respectively. Monocropping cowpea plots had significantly (P < 0.05) higher water content of 12.4% than other cropping systems at the soil depth of 0.3-0.6 m. Monocropping plots of cowpea had the ability to hold soil water and this depends on the type of cowpea cultivar and canopy cover. The stage before tasselling/flowering of maize-cowpea (V10/Vn) was found to have high soil water content. Soil water content differs across locations due to different soil physical properties.
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Babalola, Olubukola Oluranti, Bukola Rhoda Aremu, and Ayansina Segun Ayangbenro. "Draft Genome Sequence of Heavy Metal-Resistant Bacillus cereus NWUAB01." Microbiology Resource Announcements 8, no. 7 (2019). http://dx.doi.org/10.1128/mra.01706-18.

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Bacillus cereus NWUAB01 was isolated from a gold-mining site in Vryburg, South Africa, for its multiple heavy metal resistance properties. Here, we report the draft genome sequence of B. cereus NWUAB01 obtained with Illumina sequencing.
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Rambe, Patient, and Livingstone A. K. Agbotame. "Influence of foreign alliances on the performance of small-scale agricultural businesses in South Africa: A new institutional economics perspective." South African Journal of Economic and Management Sciences 21, no. 1 (2018). http://dx.doi.org/10.4102/sajems.v21i1.2011.

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Background: Globalisation has accentuated the need for small-scale agricultural businesses (SSABs) to network horizontally and vertically into world markets. However, the capacity of SSABs to cement foreign alliances to capitalise on business opportunities that the expansion of global markets presents, while simultaneously mitigating against the negative forces of globalisation remains a grey area.Aim: The study sought to contribute to internationalisation literature by examining: (1) the extent to which SSABs’ owner and/or managers in selected South African provinces establish foreign alliances, (2) whether there are any statistically significant differences in SSABs’ performance based on their extent of establishment of foreign alliances.Setting: The setting for this study was Vryburg-Pokwani in the North West and Northern Cape provinces of South Africa, respectively.Method: A survey was conducted on 151 SSAB owner and/or managers in the aforementioned study area.Results: The results revealed that although a majority (51.7%) had some (i.e. few) foreign alliances, 48.3% of SSABs had no foreign alliances at all. The results also demonstrated that the establishment of foreign alliances was positively and statistically significantly related to the performance of SSABs in the Vryburg-Pokwani area. Post-hoc comparisons (Bonferroni) results showed that while SSABs with 1–2 foreign alliances perform better than those with no foreign alliances at all, those SSABs with 6–10 foreign alliances perform better than those with none, 1–2 and 3–5 foreign linkages respectively.Conclusion: Since SSABs with foreign alliances tended to outperform those that were dependent on domestic links, the extent to which the economic benefits derived from internationalisation are reinvested into the businesses for the continued sustenance of businesses needs more rigorous investigation.
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Mphothulo, Ndiviwe. "Factors Associated with Tuberculosis Reinfection and Treatment Failure in Taung Sub-District, South Africa." STUDIES ON ETHNO-MEDICINE 06, no. 01 (2012). http://dx.doi.org/10.31901/24566772.2012/06.01.04.

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Prozesky, Leon, Johan Neser, Heinz Meissner, et al. "Preliminary report on osteochondrosis in cattle in the north-western parts of South Africa." Onderstepoort J Vet Res 83, no. 1 (2016). http://dx.doi.org/10.4102/ojvr.v83i1.1083.

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The north-western part of South Africa, in particular, is well known for mineral imbalances. Aphosphorosis, resulting in rickets and osteomalacia, received a lot of attention at the turn of the nineteenth century (1882–1912). This was followed in 1997 by research on Vryburg hepatosis, another area-specific mineral imbalance–related disease in young calves reared on manganese-rich soil derived from the weathering of dolomitic (carbonate) rock formations. In 1982, a totally new syndrome (osteochondrosis) manifested in, amongst others, areas in South Africa where aphosphorosis was rife. Osteochondrosis was also identified in the south-western parts of Namibia as well as southern Botswana and other areas in South Africa. Osteochondrosis has a multifactorial aetiology and this study focused on the role of minerals, particularly phosphorus, in the development of the disease. A significant improvement in the clinical signs in experimental animals and a reduction of osteochondrosis occurred on farms where animals received bioavailable trace minerals and phosphorus as part of a balanced lick. An increase in the occurrence of the disease on farms during severe drought conditions in 2012–2013 prompted researchers to investigate the possible role of chronic metabolic acidosis in the pathogenesis of the disease.
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Sebetha, Erick, and Albert Modi. "Cowpea yield under the influence of cropping system, location and nitrogen fertilization." Legume Research - An International Journal 39, no. 3 (2016). http://dx.doi.org/10.18805/lr.v39i3.10753.

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Yield production of cowpea depends largely on the environmental factors, cropping systems and soil type of the location. In this way, an experiment was conducted to investigate the interaction effect of cropping system, location, season and nitrogen fertilization on cowpea yield. The study comprised of three cropping systems (Maize-cowpea rotation, monocropping cowpea and intercropped cowpea), three locations (Potchefstroom, Taung, and Rustenburg, South Africa) and two rates of nitrogen fertilizers applied in kg ha<sup>−1</sup> at each site (0 and 20 at Potchefstroom, 0 and 17 at Rustenburg, 0 and 23 at Taung). A factorial experiment randomized in complete block design with three replications was conducted during 2011/12 and 2012/13 planting seasons. The measured yield and yield components were pod length, seed per pod, pods mass at harvest, grain yield and field biomass yield. Cowpea planted on monocropping and rotational systems had significantly (P < 0.05) higher seed number per pod at harvest, grain yield and field biomass yield than cowpea planted on intercropping. The interaction of location x season plays a vital role on cowpea production by increasing yield. A single cultivar might differ significantly across different locations due to different soil types and climatic factors.
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28

Rambe, Patient. "The influence of internationalisation of labour on the performance of small-scale rural-based agricultural firms: A South African perspective." Acta Commercii 18, no. 1 (2018). http://dx.doi.org/10.4102/ac.v18i1.527.

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Orientation: The main objective of this study is to determine the extent to which small-scale, rural-based agricultural firms in South Africa use foreign labour.Research purpose: South African business owners or managers’ perceived preference for labour from foreign nationals has heightened South African nationals’ concerns that these owners or managers are prejudicing local citizens under the guise of reducing overhead costs.Motivation for the study: There is a scarcity of studies on the influence of free movement of foreign labour on the performance of small-scale, rural-based agricultural firms in South Africa.Research design, approach and method: A cross-sectional survey research was conducted among 151 small-scale agricultural businesses’ (SSABs) owners or managers in Vryburg-Pokwani in North West and Northern Cape provinces of South Africa. Descriptive and inferential statistics were used to analyse the data. Furthermore, post hoc comparisons (Bonferroni) were conducted to establish the long-term performance expectations based on these firms’ utilisation of foreign labour.Main findings: The results showed that the majority (70.9%) of SSABs did not employ foreign labour. Moreover, despite the statistically significant differences in the performance of SSABs based on their usage of foreign labour, SSABs’ orientation towards internationalisation of labour increased with increased deployment of foreign labour.Practical and managerial implications: The study recommended the possibility of deploying highly skilled, value-adding and value-creating foreign labour, while rationalising the recruitment of semi-skilled and unskilled local labour.Contribution or value addition: The results are of significance to SSABs that need to consider the economic benefits of recruiting foreign labour even if that may increase their overhead costs.
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29

Islam, Mirriam, and Erick Sebetha. "Drybean Yield under the Influence of Cultivar, Phosphorus Fertilizer Rate and Location." Indian Journal Of Agricultural Research, of (April 12, 2020). http://dx.doi.org/10.18805/ijare.a-472.

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The objective of this study was to determine the effect of phosphorus fertilizer rates, cultivar and location on drybean yield production at three different locations of North West province, South Africa. The experimental design was a 5 x 3 x 3 factorial experiment fitted into a randomized complete block design with 4 replications. The three drybean cultivars used were PAN 123, PAN 148 and PAN 9292. Three locations of the study were Taung, Ventersdorp and Mafikeng. The Five levels (0, 1, 2, 3 and 4) of phosphorus fertilizer were applied during planting and these differed according to each location. Drybean cultivar and location had significant effect (P 0.005) on the number of pods per plant, 100- seed mass and grain yield. Drybean cultivar PAN 9292 is recommended for production due to its higher seed yield.
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30

McCarthy, Robert, and Emily Zimel. "Revised estimates of Taung’s brain size growth." South African Journal of Science 116, no. 7/8 (2020). http://dx.doi.org/10.17159/sajs.2020/5963.

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Cranial capacity, a proxy for the volume of the brain and associated cranial contents, is an important yardstick used to compare early hominin species because increasing brain size is a key characteristic of our lineage. In 1925, Raymond Dart claimed that a natural endocast found at the Buxton Limeworks near Taung, South Africa (which he named Australopithecus africanus), showed signs of neural reorganisation, but its juvenile status complicated comparison to other hominoid species. In an attempt to put its brain size and reorganisation into a comparative context, subsequent researchers have tried to estimate Taung’s adult cranial capacity by comparison to coarse-grained hominoid growth data. In this study, we simulated brain growth in A. africanus using asymptotic growth models in known-age mountain gorillas, chimpanzees and modern humans, and show that, at just under 4 years old, Taung’s brain had already finished or nearly finished growing according to hominoid developmental schedules. Percentage-growth remaining estimates are lower here than in previous studies using cross-sectional ontogenetic samples of unknown chronological age. Our new adult estimates (between 404 cm3 and 430 cm3 overall and 405–406 cm3 for chimpanzee models) are smaller than previous estimates with a ‘starting’ cranial capacity of 404 cm3, supporting the hypothesis that Taung’s adult brain size would have fallen toward the lower end of the A. africanus range of variation and strengthening the case that Taung was female.
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31

Ajidahun, J. A., and E. T. Sebetha. "Sorghum Grain Quality as Influenced by Plant Density, Nitrogen Nutrition and Cultivar." Indian Journal Of Agricultural Research, Of (September 6, 2021). http://dx.doi.org/10.18805/ijare.a-656.

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Background: Grain sorghum [Sorghum bicolor (L.) Moench] is a staple cereal crop in the semiarid regions of the world, notably in sub-Saharan Africa due to its ability to withstand drought. However, poor soil fertility is one factor that limits its production in small farmers’ fields. Methods: Field experiments were conducted at two locations in the North-West province of South Africa during the 2016/17 and 2017/18 planting seasons. The objective of this study was to determine the effects of plant density, nitrogen (N) fertilizer rates and cultivar on sorghum grain quality. Ash, fiber, oil, protein and starch content were analysed. Result: N fertilizer rate had a significant effect (P≤0.05) on sorghum ash content during the 2017/18 season. Sorghum without N application had significantly higher ash content (4.438%) than those fertilized with 100 and 150 kg N/ha. Cultivar had a significant effect (P less than 0.001) on protein content during the 2017/18 season. Sorghum cultivar PAN 8816 had a significantly higher protein content (8.87%) than PAN 8625. Location had a significant effect (P less than 0.001) on starch content during the 2016/17 season. Sorghum planted at Mafikeng had a significantly higher starch content (38.50%) than sorghum planted at Taung.
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