Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Plant Production and Soil Science
Rethman, NFG
MSc(Agric) PhD(Agric)(Natal) - Professor
Contact Details
Research Interests
Research Output
Contact Details:
Telephone number: 012 420 3225
Fax number: 012 420 4120
E-mail address: norman.rethman@up.ac.za
Research Interests:
Biochemical aspects of the quality and health properties of tea
Sustainable plant production
Soil water relations and plant water use
Research Output:
Research articles in refereed specialist journals:
Bayu WM, Rethman NFG, Hammes PS: 2005. Effects of tied-ridging, nitrogen fertilizer and cultivars on the growth, yield and nitrogen use efficiency of sorghum in semi-arid areas. Australian Journal of Experimental Agriculture, 24, pp 23-35.
Bayu W, Rethman NFG, Hammes PS, Pieterse PA, Grimbeek RJ, van der Linde MJ: 2005. Water stress affects the germination, emergence and growth of different sorgum cultivars. SINET: Ethiopian Journal of Science, 28 (2), pp 119-128.
Bayu WM, Rethman NFG, Hammes PS: 2005. Growth and yield compensation in sorghum (Sorghum bicolor L. Moench) as a function of planting density and nitrogen fertilizer in semi-arid areas of northeastern Ethiopia. South African Journal of Plant and Soil/Suid-Afrikaanse Tydskrif vir Plant en Grond, 22 (2), pp 76-83.
Hassen A, Rethman NFG, van Niekerk WA: 2005. Research note: Effect of different seed treatment options on dormancy breaking, germination and emergence ofZiziphus mucronata (buffalo thorn) seed. Tropical Grasslands, 39, pp 124-128.
Papers in refereed, published conference proceedings:
Hassen A, Rethman NFG, van Niekerk WA: 2005. Effect of pre-planting seed treatment options on dormancy breaking and germination of Ziziphus mucronota. In XX International Grassland Congress, Wageningen Academic publishers, p. 215.
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