Výsledky vyhledávání - "H. J. van Zyl"

Identifying barriers to growth in mineral value chains

Autor: H. J. van Zyl, J.D. Steenkamp, Wouter Bam

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy. 120

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4579e387ec094a67b1f1e6006de242af
https://doi.org/10.17159/2411-9717/341/2020

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Aqueous ammonia as a soil steriliser for use in greenhouses

Autor: H. J. van Zyl, Wilma G. Gaum

Publikováno v: South African Journal of Plant and Soil. 17:53-55

Aqueous ammonia was used to determine its effectiveness as a soil steriliser for use in glasshouses and to see if it can be used as an alternative sterilising method. A sandy soil was used to examine the effect of aqueous ammonia on the numbers of we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a7390707f47d67f8c37cdf5e25e1c4b
https://doi.org/10.1080/02571862.2000.10634866

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Exploring a conceptual model, based on the combined effects of entrepreneurial leadership, market orientation and relationship marketing orientation on South Africa's small tourism business performance

Autor: H. J. van Zyl, B. Mathur-Helm

Publikováno v: South African Journal of Business Management, Vol 38, Iss 2, Pp 17-24 (2007)

This article explores the relationships between entrepreneurial leadership, market orientation and relationship marketing orientation and South Africa’s Small tourism business performance. The entrepreneurial leadership construct is a product of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7350636336c0d70457a96ef8f5bf9cf
https://hdl.handle.net/10419/218376

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A preliminary evaluation of various chemical substances for the control of calyx-end russeting in Golden Delicious apples

Autor: J. Steenkamp, H. J. van Zyl, Ina Westraad

Publikováno v: Journal of Horticultural Science. 59:501-505

SummaryThe effects of gibberellins- and sulphur-containing compounds on russeting, fruit size and yield were evaluated after spraying Golden Delicious apple trees five times at weekly intervals from full bloom. Although not significant, Golclair + Pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::734a58c79e4708ae2f7b3806c25e2a9b
https://doi.org/10.1080/00221589.1984.11515224

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PRAISES IN NORTHERN SOTHO

Autor: H. J. Van Zyl

Publikováno v: Bantu Studies. 15:119-156

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49196fd3d4791881a6d5ed36e0ff4e95
https://doi.org/10.1080/02561751.1941.9676134

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SOME OF THE COMMONEST GAMES PLAYED BY THE SOTHO PEOPLE OF NORTHERN TRANSVAAL

Autor: H. J. Van Zyl

Publikováno v: Bantu Studies. 13:293-305

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::026436b8e38c575cad5c122462b7b075
https://doi.org/10.1080/02561751.1939.9676103

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