Browsing Research Articles (Plant Production and Soil Science) by Issue Date

Browsing Research Articles (Plant Production and Soil Science) by Issue Date

Sort by: Order: Results:

  • Fessehazion, M.K. (Melake Kessete); Marais, D. (Diana); Robbertse, P.J. (Petrus Johannes), 1932- (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2008)
    Predicting seedling emergence using standard and non-standard germination temperatures, standard accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) tests, were investigated. Germinations were performed ...
  • Mudau, Fhatuwani Nixwell; Mogotlane, I.D.; Mashela, Phatu W.; Soundy, Puffy (International Society for Horticultural Science, 2008)
    The objective of this study was to determine the seasonal variation on the total antioxidant contents of wild bush tea leaves. At harvest, leaves were freeze dried and ground for total antioxidants using the 2, ...
  • Geremew, Eticha Birdo; Steyn, J.M. (Joachim Marthinus), 1963-; Annandale, J.G. (John George), 1959- (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2008)
    Traditional irrigation schemes constitute about 40% of the total irrigated land in Ethiopia. Despite this, the sector has been overlooked and not supported by improved water management technologies. A survey conducted on ...
  • Mudau, Fhatuwani Nixwell; Chabeli, Pentronnela M.; Mashela, Phatu W.; Soundy, Puffy (International Society for Horticultural Science, 2008)
    Bush tea, Athrixia phyliciodes L. (Asteraceae family) is a popular plant in South Africa used predominantly as an herbal tea and for medicinal purposes, including the cleansing or purifying blood and the treating of boils ...
  • Venter, A.; Smith, Marie F.; Beukes, D.J.; Claassens, A.S. (Andries Stephanus), 1943-; Van Meirvenne, M. (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2009)
    The standard procedure in field experimentation is to use a randomized complete block (RCB) design, striving for the most homogeneous conditions as possible among plots in the same block. However, geostatistical concepts ...
  • Jansen van Rensburg, H.G. (Hester Getruida); Claassens, A.S. (Andries Stephanus), 1943-; Beukes, D.J. (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2009)
    In this study, the soil buffer capacity (soil BC) was measured for 80 topsoil samples of the most dominant soil forms in a small-scale farming area. Soils used in the study ranged from weakly to strongly buffered, with ...
  • Jansen van Rensburg, H.G. (Hester Getruida); Claassens, A.S. (Andries Stephanus), 1943-; Beukes, D.J.; Weepener, H.L.; Beukes, P.J. (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2009)
    The farming community in the Mlondozi district in the Mpumalanga Province of South Africa has been part of a government liming intervention with the objective to ameliorate the serious soil acidity problem in the district. ...
  • Eiasu, B.K. (Bahlebi Kibreab); Steyn, J.M. (Joachim Marthinus), 1963-; Soundy, Puffy (Elsevier, 2009)
    Effective irrigation management in arid and semi-arid regions, like South Africa, could increase crop yield and thereby improve productivity of scarce fresh water resources. Experiments were conducted at the Hatfield ...
  • Van der Laan, Michael; Annandale, J.G. (John George), 1959-; Du Preez, C.C.; Lorentz, S.A. (Simon A.) (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2009)
    Modelling phosphorus (P) in the environment can increase our understanding of potential transfer pathways into receiving water bodies as well as the plant availability of this nutrient in soil. Many current models make use ...
  • Tesfamariam, Eyob Habte; Annandale, J.G. (John George), 1959-; Steyn, J.M. (Joachim Marthinus), 1963- (American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 2009)
    The nutrient content of sludge produced by municipal water treatment works often far exceeds the requirements of nearby crops. Transporting sludge further afield is not always economically viable. This study reports on ...
  • Rakuambo, Z.J. (Zwonkunda Juliet); Du Toit, Elsie Sophia; Soundy, Puffy; Olivier, J. (Jana), 1948- (Indilinga, 2009)
    The article provides a report on a survey conducted in selected villages of Thohoyandou and Nzhelele in Venda, Limpopo Province of South Africa by means of personal interviews. The aim of the survey was to gather indigenous ...
  • Steyn, J.M. (Joachim Marthinus), 1963-; Geremew, Eticha Birdo; Annandale, J.G. (John George), 1959-; Steyn, P.J. (South African Society of Crop Production/ Soil Science Society of South Africa/ South African Weed Science Society/ South African Society for Horticultural Sciences, 2009-01)
    Two newly released South African potato cultivars, Frodo and Darius, were compared with two foreign processing cultivars, Pentland Dell and Shepody. The cultivars were grown under sprinkler irrigation and evaluated for ...
  • Alemayehu, Y.A.; Steyn, J.M. (Joachim Marthinus), 1963-; Annandale, J.G. (John George), 1959- (South African Society of Crop Production/ Soil Science Society of South Africa/ South African Weed Science Society/ South African Society for Horticultural Sciences, 2009-07)
    Hot pepper (Capsicum annuum L.) is an irrigated, high value cash crop. Irrigation requirements can be estimated following a FAO crop factor approach, using information on basal crop coefficients (Kcb), crop coefficients ...
  • Jansen van Rensburg, H.G. (Hester Getruida); Claassens, A.S. (Andries Stephanus), 1943-; Beukes, D.J. (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2010)
    The interrelationships between elemental content of selected soil and leaf nutrients and maize grain yield were evaluated in a liming experiment conducted on a Hutton and Oakleaf soil in a resource-poor farming area in the ...
  • Singels, Abraham; Annandale, J.G. (John George), 1959-; De Jager, J.M.; Schulze, R.E. (Roland Edgar); Inman-Bamber, N.G.; Durand, W.; Van Rensburg, L.D.; Van Heerden, P.S. (Pieter Schalk); Crosby, C.T. (Charles Tobias); Green, G.C. (George Clifford); Steyn, J.M. (Joachim Marthinus), 1963- (South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2010)
    Mathematical simulation of crop growth and water relations has become indispensable to agricultural science and practice. A critical assessment of how modelling has contributed to the development of crop science and to the ...
  • Swanepoel, Pieter Andreas; Botha, P.R. (Philippus Rudolph); Truter, Wayne Frederick; Karen, A.; Surridge-Talbot, A.K.J. (Angela Karen Joanna) (Departement Landbou: Wes-Kaap/Department of Agriculture: Western Cape/Department of Agriculture: Western Cape, 2010-06-01)
    Management of the soil environment must receive special attention. Future research will not only be on increasing soil quality, but also on rectifying problems caused by our abusive past practices. Soil organic C is the ...
  • Syampungani, Stephen; Geldenhuys, C.J. (Coert Johannes); Chirwa, Paxie W. (Academic Journals, 2010-08)
    The field of dendrochronology has not been widely applied in tropical species because many scientists generally perceive that such species rarely produce distinct growth rings. This study was undertaken to determine if ...
  • Robbertse, P.J. (Petrus Johannes), 1932-; Du Toit, Elsie Sophia; Cloete, Michele Olivia (Elsevier, 2010-10)
    Gender and the structure of the inflorescence and flowers of Pappea capensis (Sapindaceae) are investigated in a locality around Pretoria (22–27°S and 25–32°E). The trees flower over a long period (December to April) and ...
  • Goodall, Jeremy; Witkowski, Ed T.F.; Ammann, Sigrun; Reinhardt, Carl Frederick (Charlie) (Springer, 2010-10)
    Campuloclinium macrocephalum is an Asteraceous alien weed that invades roadside vegetation and grassland in South Africa. The role of allelopathy and competition in its invasiveness was investigated using Eragrostis curvula ...
  • Idowu, O.A.; Lorentz, S.A. (Simon A.); Annandale, J.G. (John George), 1959-; Aken, M. (Mark Ernest); McCartney, M.P.; Thornton-Dibb, S.L.C.; Westhuizen, A. (Water Research Council, 2010-10)
    The ACRU agrohydrological model, in the form of ACRU2000 and its salinity module, ACRUSalinity, was employed in catchment-scale assessment of widespread irrigation with low quality mine-water in undisturbed (un-mined) and ...