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Publications


2013

  1. Franke, A.C., Haverkort, A.J., Steyn, J.M. (2013) Climate Change and Potato Production in Contrasting South African Agro-Ecosystems 2. Assessing Risks and Opportunities of Adaptation Strategies. Potato Research 56(1):51-66
  2. Haverkort, A.J., Franke, A.C., Engelbrecht, F.A., Steyn, J.M. (2013) Climate Change and Potato Production in Contrasting South African Agro-ecosystems 1. Effects on Land and Water Use Efficiencies. Potato Research 56(1):31-50
  3. Keba, H.T., Madakadze, I.C., Angassa, A., Hassen, A. (2013) Nutritive value of grasses in semi-arid rangelands of Ethiopia: Local experience based herbage preference evaluation versus laboratory analysis . Asian-Australasian Journal of Animal Sciences 26(3):366-377
  4. Madamombe, G.M., Taylor, N.J., Tesfamariam, E. (2013) Yield decline in vegetatively propagated tea (Camellia sinensis (L.) O. Kuntze) under continuous mechanical harvesting. Acta Horticulturae 1007:857-862
  5. Mahohoma, W., Taylor, N.J., Annandale, J.G., Gush, M.B. (2013) Use of linear regression models to estimate missing Heat pulse velocity data: A case study in two citrus cultivars. Acta Horticulturae 1007:951-956
  6. Mashingaidze, N., Belder, P., Twomlow, S., Hove, L., Moyo, M. (2013) Improving maize (Zea mays L.) performance in semi-arid Zimbabwe through micro-dosing with ammonium nitrate tablets. Experimental Agriculture 49(2)179-196
  7. Mbakwe, I., De Jager, P.C., Annandale, J.G., Matema, T. (2013) Nitrogen mineralization from sludge in an alkaline, saline coal gasification ash environment. Journal of Environmental Quality 42(3):835-843
  8. Molahlehi, L., Steyn, J.M., Haverkort, A.J. (2013) Potato Crop Response to Genotype and Environment in a Subtropical Highland Agro-ecology. Potato Research 56(3):237-258
  9. Mphangwe, N.I.K., Vorster, J., Steyn, J.M., Nyirenda, H.E., Taylor, N.J., Apostolides, Z. (2013) Screening of tea (Camellia sinensis) for trait-associated molecular markers. Applied Biochemistry and Biotechnology 171(2):437-449
  10. Murata, M.R., Zharare, G.E., Hammes, P.S. (2013) Interactions of pod-zone pH and calcium concentration on fructification of groundnut grown in solution culture. Journal of Plant Nutrition 36(1):32-41
  11. Ndabamenye, T., Van Asten, P.J.A., Blomme, G., Vanlauwe, B., Swennen, R., Annandale, J.G., Barnard, R.O. (2013) Ecological characteristics and cultivar influence optimal plant density of East African highland bananas (Musa spp., AAA-EA) in low input cropping systems. Scientia Horticulturae 150:299-311
  12. Ndabamenye, T., Van Asten, P.J.A., Blomme, G., Vanlauwe, B., Uzayisenga, B., Annandale, J.G., Barnard, R.O. (2013) Nutrient imbalance and yield limiting factors of low input East African highland banana (Musa spp. AAA-EA) cropping systems. Field Crops Research 147:68-78
  13. Ndabamenye, T., Vanlauwe, B., van Asten, P.J.A., Blomme, G., Swennen, R., Uzayisenga, B., Annandale, J.G., Barnard, R.O. (2013) Influence of plant density on variability of soil fertility and nutrient budgets in low input East African highland banana (Musa spp. AAA-EA) cropping systems. Nutrient Cycling in Agroecosystems 95(2):187-202
  14. Ntshabele, P.M., Soundy, P., Apostolides, Z. (2013) Shade net effects on chemical composition of Pelargonium sidoides (Geraniaceae). Acta Horticulturae 1007:959-966
  15. Pholo, M.S., Soundy, P., Du Toit, E.S. (2013) Vegetative propagation of Pelargonium sidoides (rabassam): Factors affecting rooting of leaf-bud cuttings. Acta Horticulturae 1007:781-786
  16. Taylor, N.J., Ibraimo, N.A., Annandale, J.G., Everson, C.S., Vahrmeijer, J.T., Gush, M.B. (2013) Are sap flow measurements useful for determining water use of fruit orchards, when absolute values are important? Acta Horticulturae 991:77-84
  17. Tesfamariam, E.H., Annandale, J.G., Steyn, J.M., Stirzaker, R.J., Mbakwe, I. (2013) Municipal sludge as source of nitrogen and phosphorus in perennial pasture Eragrostis curvula production: Agronomic benefits and environmental impacts. Water SA 39(4):507-514
  18. Van Antwerpen R., Berry, S., Van Antwerpen T., Smithers J., Joshi S., Van Der Laan M. (2013) Sugarcane as an Energy Crop: Its Role in Biomass Economy. Biofuel Crop Sustainability pp 53-108
  19. Van Breda, S.V., van der Merwe, C.F., Robbertse, H., Apostolides, Z. (2013) Immunohistochemical localization of caffeine in young Camellia sinensis (L.) O. Kuntze (tea) leaves. Planta 237(3):849-858
  20. Van der Waals, J.E., Krüger, K., Franke, A.C., Haverkort, A.J., Steyn, J.M. (2013) Climate Change and Potato Production in Contrasting South African Agro-Ecosystems 3. Effects on Relative Development Rates of Selected Pathogens and Pests. Potato Research 56(1):67-84

2012

  1. Adhanom, G.T., Stirzaker, R.J., Lorentz, S.S., Annandale, J.J., Steyn, J.J. (2012) Comparison of methods for determining unsaturated hydraulic conductivity in the wet range to evaluate the sensitivity of wetting front detectors. Water SA 38(1):67-74
  2. Barnard RO. (2012) Ecological characteristics influence farmer selection of on-farm plant density and bunch mass of low input East African highland banana (Musa spp.) cropping systems. In Field Crops Research 135:126–136
  3. Bayu, W., Rethman, N.F.G., Hammes, P.S. (2012) Effects of tied-ridge, nitrogen fertilizer and cultivar on the yield and nitrogen use efficiency of sorghum in semi-arid Ethiopia . Archives of Agronomy and Soil Science 58(5):547-560
  4. Bezuidenhout, S.R., Reinhardt, C.F., Whitwell, M.I. (2012) Cover crops of oats, stooling rye and three annual ryegrass cultivars influence maize and Cyperus esculentus growth. Weed Research 52(2):153-160
  5. Chikere, C.B., Surridge, K., Okpokwasili, G.C., Cloete, T.E. (2012) Dynamics of indigenous bacterial communities associated with crude oil degradation in soil microcosms during nutrient-enhanced bioremediation. Waste Management and Research 30(3):225-236
  6. Eiasu, B.K., Steyn, J.M., Soundy, P. (2012) Physiomorphological response of rose-scented geranium (Pelargonium spp.) to irrigation frequency. South African Journal of Botany 78:96-103
  7. Grobbelaar, N., Robbertse, P.J. (2012) Cycad collicles ("leaflet nodules"). South African Journal of Botany 80:77-80
  8. Khumalo S, Chirwa PWC, Moyo B, Syampungani S. (2012) The status of agrobiodiversity management and conservation in major agroecosystems of Southern Africa. In Agriculture Ecosystems and Environment 157:17–23
  9. Kunert, K.J., Okole, B., Vorster, B.J., Brewin, N.J., Cullis, C.A. (2012) A general model for training the next generation of biotechnology entrepreneurs based on recent experience of USA-UK-South Africa collaborations. Journal of Commercial Biotechnolog 18(3):62-66
  10. Kuriakose, B., Du Toit, E.S., Jordaan, A. (2012) Transient gene expression assays in rose tissues using a Bio-Rad Helios® hand-held gene gun. South African Journal of Botany 78:307-311
  11. Mashingaidze, N., Madakadze, C., Twomlow, S., Nyamangara, J., Hove, L. (2012) Crop yield and weed growth under conservation agriculture in semi-arid Zimbabwe.Soil and Tillage Research 124:102-110
  12. Muchecheti F, Madakadze IC, Soundy P. (2012) Production of rape (Brassica napus L.) on soils amended with leguminous tree prunings: Yield responses in relation to the chemical composition of the tree prunings. In African Journal of Agricultural Research 7(24):35–49
  13. Munthali C, Chirwa PWC, Akinnifesi F. (2012) Genetic variation among and within provenances of Adansonia digitata L. (Baobab) in seed germination and seedling growth from selected natural populations in Malawi. In Agroforestry Systems 86:419–431
  14. Munthali C, Chirwa PWC, Akinnifesi F. (2012) Phenotypic variation in fruit and seed morphology of Adansonia digitata L. (baobab) in five selected wild populations in Malawi. In Agroforestry Systems 85(2):279–290
  15. Ndabamenye, T., Van Asten, P.J.A., Vanhoudt, N., Blomme, G., Swennen, R., Annandale, J.G., Barnard, R.O. (2012) Ecological characteristics influence farmer selection of on-farm plant density and bunch mass of low input East African highland banana (Musa spp.) cropping systems. Field Crops Research 135:126-136
  16. Nzanza, B., Marais, D., Soundy, P. (2012) Effect of arbuscular mycorrhizal fungal inoculation and biochar amendment on growth and yield of tomato. International Journal of Agriculture and Biology 14(6):965-969
  17. Nzanza, B., Marais, D., Soundy, P. (2012) Response of tomato (Solanum lycopersicum L.) to nursery inoculation with Trichoderma harzianum and arbuscular mycorrhizal fungi under field conditions. Acta Agriculturae Scandinavica Section B: Soil and Plant Science 62(3):209-215
  18. Nzanza, B., Marais, D., Soundy, P. (2012) Yield and nutrient content of tomato (Solanum lycopersicum L.) as influenced by Trichoderma harzianum and Glomus mosseae inoculation. Scientia Horticulturae 144:55-59
  19. Phiri M, Chirwa PWC, Watts S, Syampungani S. (2012) Local community perception of joint forest management and its implications for forest condition: The case of Dambwa Forest Reserve in southern Zambia. In Southern Forests 74(1):51–59
  20. Pillay, P., Kibido, T., Du Plessis, M., Van Der Vyver, C., Beyene, G., Vorster, B.J., Kunert, K.J., Schlüter, U. (2012) Use of transgenic oryzacystatin-i-expressing plants enhances recombinant protein production. Applied Biochemistry and Biotechnology 168(6)1608-1620
  21. Sainsbury, F., Rhéaume, A.-J., Goulet, M.-C., Vorster, J., Michaud, D. (2012) Discrimination of differentially inhibited cysteine proteases by activity-based profiling using cystatin variants with tailored specificities. Journal of Proteome Research 11(12):5983-5993
  22. Van der Laan, M., van Antwerpen, R., Bristow, K.L. (2012) River water quality in the northern sugarcane-producing regions of South Africa and implications for irrigation: A scoping study. Water SA 38(1):87-96
  23. Wu H, Du Toit ES. (2012) In vitro multiplication of Protea cynaroides L. microshoots and the effects of high phosphorous concentration on explant growth. In African Journal of Biotechnology 11(63)12630–12633

2011

  1. Afiukwa CA, Kunert KJ, Vorster BJ, Cullis CA, Ubi BE. (2011) Microsatellite association with seed protein content and flowering time in Nigerian cowpea cultivars. African Journal of Biotechnology 10(79):18057-18064
  2. Ambali A, Chirwa PW, Chamdimba O, van Zyl W. (2011) A review of sustainable development of bioenergy in Africa: An outlook for the future bioenergy industry. Scientific Research And Essays 6(8):1697-1708
  3. Annandale, J.G., Stirzaker, R.J., Singels, A., van der Laan, M., Laker, M.C. (2011) Irrigation scheduling research: South African experiences and future prospects. Water SA 37(5):751-764
  4. Araya, H.T., Soundy, P., Steyn, J.M. (2011) Liming improves herbage yield, essential oil yield and nutrient uptake of rose-scented geranium (Pelargonium capitatum × P. radens) on acidic soils. New Zealand Journal of Crop and Horticultural Science 39(3):175-186
  5. Fessehazion, M.K., Stirzaker, R.J., Annandale, J.G., Everson, C.S. (2011) Improving nitrogen and irrigation water use efficiency through adaptive management: A case study using annual ryegrass. Agriculture, Ecosystems and Environment 141:350-358
  6. Franke, A.C., Steyn, J.M., Ranger, K.S., Haverkort, A.J. (2011) Developing environmental principles, criteria, indicators and norms for potato production in South Africa through field surveys and modelling. Agricultural Systems 104(4)297-306
  7. Haverkort, A.J., Hillier, J.G. (2011) Cool Farm Tool - Potato: Model Description and Performance of Four Production Systems. Potato Research 54(4):355-369
  8. Landry J, Chirwa PW. (2011) Analysis of the potential socio-economic impact of establishing plantation forestry on rural communities in Sanga district, Niassa province, Mozambique. Land Use Policy 28:542-551
  9. Muhl, Q.E., Du Toit, E.S., Robbertse, P.J. (2011) Moringa oleifera (Horseradish tree) leaf adaptation to temperature regimes. International Journal of Agriculture and Biology 13(6):1021-1024
  10. Muhl, Q.E., Du Toit, E.S., Robbertse, P.J. (2011) Temperature effect on seed germination and seedling growth of Moringa oleifera Lam. Seed Science and Technology 39(1):208-213
  11. Nzanza B, Marais D, Soundy P. (2011) Response of tomato (Solanum lycopersicum L.) to nursery inoculation with Trichoderma harzianum and arbuscular mycorrhizal fungi under field conditions. Acta Agriculturae Scandinavica Section B-Soil and Plant Science Jul pp 1-8.
  12. Nzanza, B., Marais, D., Soundy, P. (2011) Tomato (Solanum lycopersicum L.) seedling growth and development as influenced by Trichoderma harzianum and arbuscular mycorrhizal fungi. African Journal of Microbiology Research 5(4):425-431
  13. Paterson, D.G., Barnard, R.O. (2011) Beneficial effect of palm geotextiles on inter-rill erosion in South African soils: Field trials. South African Journal of Plant and Soil 28(3):190-197
  14. Paterson, D.G., Bühmann, C., Pienaar, G.M.E., Barnard, R.O. (2011) Beneficial effect of palm geotextiles on inter-rill erosion in South African soils and mine dam tailings: A rainfall simulator study. South African Journal of Plant and Soil 28(3):181-189
  15. Reinhardt, C.F., Tesfamichael, N. (2011) Nitrogen in combination with Desmodium intortum effectively suppress Striga asiatica in a sorghum-Desmodium intercropping system. Journal of Agriculture and Rural Development in the Tropics and Subtropics 112(1):19-28
  16. Robbertse, H.P.J., Grobbelaar, N., du Toit, E. (2011) Origin of the Coleorhiza in Cycad Seedlings and its Structural Homology with That of the Poaceae. Botanical Review 77(1):1-10
  17. Robbertse, P.J., Du Toit, E.S., Cloete, M.O. (2011) Gender expression and inflorescence structure of Pappea capensis Eckl. and Zeyh. (Sapindaceae). South African Journal of Botany 77(2):425-429
  18. Swanepoel P, Botha PR, Truter WF, Surridge AKJ. (2011) Nodulation potential of four Trifolium repens cultivars under field conditions. African Journal of Range and Forage Science 28(2):51-56
  19. Swanepoel P, Botha PR, Truter WF, Surridge AKJ. (2011) The effect of soil carbon on symbiotic nitrogen fixation and symbiotic Rhizobium populations in soil with Trifolium repens as host plant. African Journal of Range and Forage Science 28(3):121-127
  20. Syampungani S, Geldenhuys C, Chirwa PW. (2011) Miombo Woodland utilization and management, and impact perception among stakeholders in Zambia: A call for policy change in Southern Africa. Journal of Natural Resources Policy Research 3(2):163-181
  21. Van Der Laan, M., Miles, N. (2011) Nutrition of the South African sugar crop: Current status and long-term trends. International Sugar Journal 113:894-899
  22. Van der Laan, M., Miles, N., Annandale, J.G., du Preez, C.C. (2011) Identification of opportunities for improved nitrogen management in sugarcane cropping systems using the newly developed Canegro-N model. Nutrient Cycling in Agroecosystems 90(3):391-404
  23. Van Der Laan, M., Stirzaker, R.J., Annandale, J.G., Bristow, K.L., Du Preez, C.C. (2011) Interpretation of electrical conductivity measurements from ceramic suction cups, wetting front detectors and ECH20-TE sensors. South African Journal of Plant and Soil 28(4):244-247
  24. Van der Vyver C, Vorster BJ, Kunert KJ, Cullis CA. (2011) Analysis of radiation-induced genome alterations in Vigna unguiculata (L.) Walp. Research and Reports in Biology 2:89-99
  25. Van Zyl WH, Chimphango AFA, Den Haan R, Görgens JF, Chirwa PW. (2011) Next generation cellulosic ethanol technologies and their contribution to a sustainable Africa. Journal of the Royal Society Interface 1(2):196-211
  26. Wu, H.C., du Toit, E.S. (2011) Role and significance of total phenols during rooting of Protea cynaroides L. cuttings. African Journal of Biotechnology 10(59):12542-124546

 2010

  1. Akinnifesi FK, Ajayi OC, Sileshi G, Chirwa PW, Chianu J. (2010) Fertiliser trees for sustainable food security in the maize-based production systems of East and Southern Africa. A review. Agronomy for Sustainable Development 30:615-629
  2. Belehu, T., Hammes, P.S. (2010) Effect of cultivars and planting methods on yield and yield components of sweet potato (Ipomoea batatas (L.).Tropical Agriculture 87(4):168-174
  3. Benchabane, M., Schlüter, U., Vorster, J., Goulet, M.-C., Michaud, D. (2010) Plant cystatins. Biochimie 92(11):1657-1666
  4. Chirwa, P.W., Ham, C., Maphiri, S., Balmer, M. (2010) Bioenergy use and food preparation practices of two communities in the Eastern Cape Province of South Africa. Journal of Energy in Southern Africa 21(4):26-31
  5. Ferreira MI, Reinhardt CF. (2010). Field assessment of crop residues for allelopathic effects on both crops and weeds. Agronomy Journal, 102 (6), pp 1593-1600.
  6. Goodall, J., Witkowski, E.T.F., Ammann, S., Reinhardt, C. (2010) Does allelopathy explain the invasiveness of Campuloclinium macrocephalum (pompom weed) in the South African grassland biome? Biological Invasions 12(10):3497-3512
  7. Idowu, O.A., Lorentz, S.A., Annandale, J.G., Aken, M., McCartney, M.P., Thornton-Dibb, S.L.C., Westhuizen, A. (2010) Comparative assessment of widespread irrigation with low quality mine-water in undisturbed and rehabilitated mine lands in the upper Olifants using the ACRU2000 model. Water SA 36(5):543-552
  8. Janse van Rensburg NG, Claassens AS, Beukes DJ. (2010) Evaluation of the effect of soil acidity amelioration on maize yield and nutrient interrelationships using stepwise regression and nutrient vector analysis. South African Journal of Plant and Soil 27(2):117-125
  9. Kiggundu A, Muchwezi J, van der Vyver C, Viljoen A, Vorster BJ, Schlüter U, Kunert KJ, Michaud D. (2010) Deleterious effects of plant cystatins against the banana weevil Cosmopolites sordidus. Archives of Insect Biochemistry and Physiology 73(2):87-105
  10. Madakadze IC, Masamvu TM, Radiotis T, Li J, Smith D. (2010) Evaluation of pulp and paper making characteristics of elephant grass (Pennisetum purpureum Schum) and switchgrass (Panicum virgatum L.). Environmentalist 4(7):465-470
  11. Quinion A, Chirwa PW, Akinnifesi FK, Ajayi OC. (2010) Do agroforestry technologies improve the livelihoods of the resource poor farmers? Evidence from Kasungu and Machinga districts of Malawi. Agroforestry Systems 80:457-465
  12. Robbertse PJ, Grobbelaar N, du Toit ES. (2010) Origin of the coleorhiza in cycad seedlings and its structural homology with that of the poaceae. Botanical Review 77(1):1-10
  13. Schlüter, U., Benchabane, M., Munger, A., Kiggundu, A., Vorster, J., Goulet, M.-C., Cloutier, C., Michaud, D. (2010) Recombinant protease inhibitors for herbivore pest control: A multitrophic perspective. Journal of Experimental Botany 61( 15):4169-4183
  14. Singels, A., Annandale, J.G., De Jager, J.M., Schulze, R.E., Inman-Bamber, N.G., Durand, W., Van Rensburg, L.D., Van Heerden, P.S., Crosby, C.T., Green, G.C., Steyn, J.M. (2010) Modelling crop growth and crop water relations in South Africa: Past achievements and lessons for the future. South African Journal of Plant and Soil 27(1):49-65
  15. Siyoum N, Surridge AKJ, Korsten L. (2010) Bacterial profiling of casing materials for white button muchrooms (Agaricus bisporus) using denaturing gradient gel electrophoresis. South African Journal of Science 106(9/10):1-6
  16. Stirzaker, R.J., Stevens, J.B., Annandale, J.G., Steyn, J.M. (2010) Stages in the adoption of a wetting front detector. Irrigation and Drainage 59(4):367-376
  17. Swanevelder, Z.H., Surridge, A.K.J., Venter, E., Botha, A.-M. (2010) Limited endosymbiont variation in Diuraphis noxia (Hemiptera: Aphididae) biotypes from the United States and South Africa. Journal of Economic Entomology 103(3):887-897
  18. Syampungani S, Geldenhuys C, Chirwa PW. (2010) Age and growth rate determination using growth rings of selected miombo woodlands species in charcoal and, slash and burn regrowth stands. Journal of Ecology and the Natural Environment 2(8):167-174
  19. Syampungani S, Geldenhuys C, Chirwa PW. (2010) The use of species-stem curves in sampling the development of the Zambian miombo woodland species in charcoal production and slash and burn regrowth stands. Southern Forests: A Journal of Forest Science (Southern Hemisphere Forestry Journal) 72(2):83-89
  20. Tesfamariam EH, Annandale JG, Steyn JM. (2010) Water stress effect on winter canola growth and yield. Agronomy Journal 102(2):658-666
  21. Van der Laan, M., Stirzaker, R.J., Annandale, J.G., Bristow, K.L., Preez, C.C.D. (2010) Monitoring and modelling draining and resident soil water nitrate concentrations to estimate leaching losses. Agricultural Water Management 97(11):1779-1786
  22. Van Jansen Rensburg, H.G., Claassens, A.S., Beukes, D.J. (2010) Evaluation of the effect of soil acidity amelioration on maize yield and nutrient interrelationships using stepwise regression and nutrient vector analysis. South African Journal of Plant and Soil 27(2):117-125
  23. Vorster BJ, Michaud D, Kiggundu A, Kunert KJ. (2010) Crop damage. Quest, 6(3):30-32
  24. Wu, H.C., du Toit, E.S. (2010) Effects of temperature, light conditions and gibberellic acid on the in vitro germination of Protea cynaroides L. embryos. African Journal of Biotechnology 9(47):8032-8037

2009

  1. Alemayehu, Y.A., Steyn, J.M., Annandale, J.G. (2009) FAO-type crop factor determination for irrigation scheduling of hot pepper (Capsicum annuum L.) cultivars. South African Journal of Plant and Soil 26(3):186-194
  2. Bekker, T.F., Kaiser, C., Labuschagne, N. (2009) The antifungal activity of potassium silicate and the role of pH against selected plant pathogenic fungi in vitro. South African Journal of Plant and Soil 26(1):55-57
  3. Belz, R.G., van der Laan, M., Reinhardt, C.F., Hurle, K. SoiL degradation of parthenin-does it contradict the role of allelopathy in the invasive weed Parthenium hysterophorus L.? Journal of Chemical Ecology 35(9): 1137-1150
  4. Eiasu, B.K., Steyn, J.M., Soundy, P. (2009) Rose-scented geranium (Pelargonium capitatum × P. radens) growth and essential oil yield response to different soil water depletion regimes. Agricultural Water Management 96(6):991-1000
  5. Ghezehei, S.B., Annandale, J.G., Everson, C.S. (2009) Shoot allometry of Jatropha curcas Southern Forests 71(4):279-286
  6. Hassen, A., Rethman, N.F.G., van Niekerk, W.A. (2009) A note on the potential nutritive value of Ziziphus mucronata (buffalo thorn) foliage during different seasons. African Journal of Range and Forage Science 26(2):103-105
  7. Janse van Rensburg NG, Claassens AS, Beukes DJ, Weepener HL, Beukes PJ. (2009) Assessing the potential soil acidification risk under dryland agriculture in the Mlondozi district in the Mpumalanga Province of South Africa. South African Journal of Plant and Soil 26(4):244-253
  8. Janse van Rensburg NG, Claassens AS, Beukes DJ. (2009) Relationships between soil buffer capacity and selected soil properties in a resource-poor farming area in the Mpumalanga Province of South Africa. South African Journal of Plant and Soil 26(4):237-243
  9. Janse van Vuuren JA, Claassens AS. (2009) Greenhouse pot trials to determine the efficacy of black urea compared to other nitrogen sources. Communications in Soil Science and Plant Analysis 40:576-586
  10. Kuriakose B, Ganesan V, Thomas G, Viswanathan A, Anand N. (2009) Random amplification of genomic ends (RAGE) as an efficient method for isolation and cloning of promoters and uncloned genomic regions. African Journal of Biotechnology 8(19):4765-4773
  11. Reinhardt CF, Masike SL, Kanyomeka L. (2009). The effect of bypsiferous water on biological activities of atrazine, 2, 4-D and metolachlor. Current World Environment 4(1):9-13
  12. Steyn, J.M., Geremew, E.B., Annandale, J.G., Steyn, P.J. (2009) Frodo and Darius: South African potato cultivars with good processing quality. South African Journal of Plant and Soil 26 (1):24-30
  13. Surridge, A.K.J., Van Der Merwe, A., Kruger, R. (2009) Preliminary microbial studies on the impact of plants and South African fly ash on amelioration of crude oil polluted acid soils. 3rd World of Coal Ash, WOCA Conference – Proceedings.
  14. Tesfamariam EH, Annandale JG, Steyn JM, Stirzaker RJ. (2009) Exporting large volumes of municipal sewage sludge through turfgrass sod production. Journal of Environmental Quality 38:1320-1328
  15. Truter, W.F., Rethman, N.F.G., Potgieter, C.E., Kruger, R.A. (2009) Re-vegetation of cover soils and coal discard material ameliorated with class F fly ash. 3rd World of Coal Ash, WOCA Conference – Proceedings
  16. Van Der Laan, M., Annandale, J.G., Du Preez, C.C., Lorentz, S.A. (2009) Obtaining the parameters required to model labile phosphorus for South African soils. South African Journal of Plant and Soil 26(4):213-219
  17. Van Niekerk, W.A., Hassen, A., Snyman, L.D., Rethman, N.F.G., Coertze, R.J. (2009) Influence of mineral composition and rumen degradability of Atriplex nummularia (Hatfield Select F1) plants on selection preference of sheep. African Journal of Range and Forage Science 26(2):91-96
  18. Van Rensburg, H.G.J., Claassens, A.S., Beukes, D.J. (2009) Relationships between soil buffer capacity and selected soil properties in a resource-poor farming area in the Mpumalanga Province of South Africa. South African Journal of Plant and Soil 26(4):237-243
  19. Van Rensburg, H.G.J., Claassens, A.S., Beukes, D.J., Weepener, H.L., Beukes, P.J. (2009) Assessing the potential soil acidification risk under dryland agriculture in the Mlondozi district in the Mpumalanga Province of South Africa. South African Journal of Plant and Soil 26(4):244-253
  20. Van Vuuren, J.A.J., Claassens, A.S. (2009) Greenhouse pot trials to determine the efficacy of Black Urea compared to other nitrogen sources. Communications in Soil Science and Plant Analysis 40:576-586
  21. Venter, A., Smith, M.F., Beukes, D.J., Claassens, A.S., Van Meirvenne, M. (2009) Spatial variation of soil and plant properties and its effects on the statistical design of a field experiment. South African Journal of Plant and Soil 26(4):231-236

2008

  1. Bapela, J.M., Kuete, V., Du Toit, E., Meyer, M.J.J., Lall, N. (2008) Fertilization-induced changes in growth parameters and antimycobacterial activity of Euclea natalensis (Ebenaceae). South African Journal of Botany 74(2)244-250
  2. Beletse, Y.G., Annandale, J.G., Steyn, J.M., Hall, I., Aken, M.E. (2008) Can crops be irrigated with sodium bicarbonate rich CBM deep aquifer water? Theoretical and field evaluation. Ecological Engineering 33(1):26-36
  3. Chabeli, P.M., Mudau, F.N., Mashela, P.W., Soundy, P. (2008) Effects of nitrogen, phosphorus and potassium nutrition on seasonal tannin content of bush tea (Athrixia phyliciodes DC.) South African Journal of Plant and Soil 25(2):79-83
  4. Eiasu, B.K., Soundy, P., Steyn, J.M. (2008) High irrigation frequency and brief water stress before harvest enhances essential oil yield of rose-scented geranium (Pelargonium capitatum x P. radens) HortScience 43(2):500-504
  5. Eiasu, B.K., Steyn, J.M., Soundy, P. (2008) Growth and essential oil yield of rose-scented geranium (Pelargonium capitatum x P. radens 'Rose') as affected by withholding irrigation at different times during regrowth. New Zealand Journal of Crop and Horticultural Science 36(4):285-294
  6. Fessehazion, M.K., Marais, D., Robbertse, P.J. (2008) Predicting seedling emergence of cabbage and onion using vigour tests. South African Journal of Plant and Soil 25(1):1-6
  7. Geremew, E.B., Steyn, J.M., Annandale, J.G. (2008) Comparison between traditional and scientific irrigation scheduling practices for furrow irrigated potatoes (Solanum tuberosum L.) in Ethiopia. South African Journal of Plant and Soil 25(1):42-48
  8. Ghavami-Riabi R, Theart HFJ, de Jager PC. (2008) Detection of concealed Cu-Zn massive sulfide mineralization below eolian sand and a calcrete cover in the eastern part of the Namaqua Metamorphic Province, South Africa. Journal of Geochemical Exploration 97:83-101
  9. Hassen, A., Rethman, N.F.G., Apostolides, Z., Van Niekerk, W.A. (2008) Forage production and potential nutritive value of 24 shrubby Indigofera accessions under field conditions in South Africa. Tropical Grasslands 42(2):96-103
  10. Idowu, O.A., Lorentz, S.A., Annandale, J.G., McCartney, M.P., Jovanovic, N.Z. (2008) Assessment of the impact of irrigation with low-quality mine water on virgin and rehabilitated soils in the upper Olifants basin. Mine Water and the Environment 27(1):2-11
  11. Jackson, C.R., Lubbe, N.R., Robertson, M.P., Setsaas, T.H., Van Der Waals, J., Bennett, N.C. (2008) Soil properties and the distribution of the endangered Juliana's golden mole. Journal of Zoology 274(1):13-17
  12. Kanyomeka, L., Reinhardt, C.F. (2008) Influence of temperature on maize tolerance to alachlor, metazachlor and metolachlor. Journal of Pure and Applied Microbiology 2(1)23-28
  13. Kanyomeka, L., Reinhardt, C.F. (2008) Predicting maize (Zea mays L.) tolerance to herbicides in the field based on greenhouse effects. Journal of Pure and Applied Microbiology 2(1):91-96
  14. Mng'omba, S.A., Du Toit, E.S., Akinnifesi, F.K. (2008) Early recognition of graft compatibility in Uapaca kirkiana Müell Arg. clones, provenances and species. Agroforestry Systems 74(2):173-183
  15. Mng'Omba, S.A., Du Toit, E.S., Akinnifesi, F.K. (2008) Plant regeneration through somatic embryogenesis of jacket plum (Pappea capensis) New Zealand Journal of Crop and Horticultural Science 36(2)137-144
  16. Mng'omba, S.A., du Toit, E.S., Akinnifesi, F.K. (2008) The relationship between graft incompatibility and phenols in Uapaca kirkiana Müell Arg. Scientia Horticulturae 117(3):212-218
  17. Mphinyane WN, Rethman NFG, Smit GN. (2008) Influence of livestock grazing on the woody component within piospheres of a semi-arid savanna in Central Botswana. Botswana Journal of Agriculture and Applied Sciences 4(1): 4-15.
  18. Mudau, F.N., Chabeli, P.M., Mashela, P.W., Soundy, P. (2008) Effects of nitrogen fertilization on tannin content of Bush tea (Athrixia phylicoides L.) grown in different seasons. Acta Horticulturae 765:211-216
  19. Mudau, F.N., Mogotlane, I.D., Mashela, P.W., Soundy, P. (2008) Seasonal variation of total antioxidant contents of wild bush tea. Acta Horticulturae 802:273-276
  20. Murata, M.R., Zharare, G.E., Hammes, P.S. (2008) Pelleting or priming seed with calcium improves groundnut seedling survival in acid soils Journal of Plant Nutrition 31(10):1736-1745
  21. Murata, M.R., Zharare, G.E., Hammes, P.S. (2008) pH of the pod-zone affects reproductive growth of groundnut. Journal of Plant Nutrition 31(1):69-79
  22. Soundy P, Mpati KW, du Toit ES, Mudau FN, Araya HT. (2008) Influence of cutting position, medium, hormone and season on rooting of fever tea (Lippia javanica L.) stem cuttings. Medicinal and Aromatic Plant Science and Biotechnology 2(2):114-116.
  23. 23. Suridge, A.K.J., Brent, A.C. (2008) Development of a water state index to assess the severity of impacts on and changes in natural water resources. Water Science and Technology 58(8):1595-1600
  24. 24. Taddesse, A.M., Claassens, A.S., De Jager, P.C. (2008) Effects of shaking time on long-term phosphorus desorption using dialysis membrane tubes filled with hydrous iron oxide. Communications in Soil Science and Plant Analysis 39(19-20):2985-3001
  25. 25. Taddesse, A.M., Claassens, A.S., de Jager, P.C. (2008) Long-term kinetics of phosphate desorption from soil and its relationship with plant growth. South African Journal of Plant and Soil 25(3):131-134
  26. 26. Taddesse, A.M., Claassens, A.S., De Jager, P.C. (2008) Long-term phosphorus desorption using dialysis membrane tubes filled with iron hydroxide and its effect on phosphorus pools. Journal of Plant Nutrition 31(8):1507-1522
  27. 27. Taddesse, A.M., Claassens, A.S., De Jager, P.C. (2008) Shortcut approach alternative to the step-by-step conventional soil phosphorus fractionation method . Communications in Soil Science and Plant Analysis 39:1295-1310
  28. 28. Van Der Laan, M., Reinhardt, C.F., Belz, R.G., Truter, W.F., Foxcroft, L.C., Hurle, K. (2008) Interference potential of the perennial grasses Eragrostis curvula, Panicum maximum and Digitaria eriantha with Parthenium hysterophorus. Tropical Grasslands 42(2):88-95

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