Search Results - "du Plessis, H M"
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Development of guidance for sustainable irrigation use of greywater in gardens and small-scale agriculture in South Africa
Published in Water S. A. (01-01-2011)“…Greywater is untreated household effluent from baths, showers, kitchen and hand-wash basins and laundry (i.e. all non-toilet uses). More than half of indoor…”
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Evaluation of calibration methods for interpreting soil salinity from electromagnetic induction measurements
Published in Soil Science Society of America journal (01-11-1997)“…The EM-38 electromagnetic induction sensor of Geonics Ltd. (Canada) is a most useful instrument for rapid field identification and mapping of soil salinity…”
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The Sustainability of Irrigation with Gypsiferous Mine Water and Implications for the Mining Industry in South Africa
Published in Mine water and the environment (01-06-2002)“…The sustainability of irrigation with gypsiferous mine water and different irrigation management practices was evaluated using a milti-disciplinary approach,…”
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Causes and Management of Salinity in the Breede River Valley, South Africa
Published in Hydrogeology journal (01-01-1997)“…The water-distribution system of the Breede River Irrigation Scheme, South Africa, consists of the river itself, a series of canals, and various pumping…”
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The value of water in the South African economy: Some implications
Published in Agrekon (01-06-2004)“…The South African Water Research Commission (WRC) initiated a number of research projects aimed at determining the value of water in different sectors of the…”
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Potassium-calcium and sodium-calcium exchange on kaolinite and kaolinitic soils
Published in Soil Science Society of America journal (01-09-1988)“…Potassium-Ca and Na-Ca exchange isotherms were obtained for two kaolinite samples and two kaolinitic soils (Hutton and Avalon forms). The Gapon, Vanselow, and…”
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Using Lime Treated Acid Mine Water for Irrigation
Published in Water Science & Technology [WATER SCI. TECHNOL.]. Vol. 15, no. 2. 1983 (01-01-1983)“…The disposal of acid sulphate mine water poses a universal problem. Although water quality is much improved when neutralised by lime treatment high salt loads…”
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A procedure for deriving qualitative contaminant attenuation maps from land type data
Published in Journal of hydrology (Amsterdam) (15-01-2001)“…A procedure is presented for deriving qualitative contaminant attenuation maps from available soils information. Unfortunately, in South Africa, no soil map…”
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Legal Pluralism, uBuntu and the Use of Open Norms in the South African Common Law of Contract
Published in Potchefstroom electronic law journal (23-10-2019)“…In this article, a comparison is drawn between the role of good faith in the development of the Roman law of contract and the emerging role of ubuntu in the…”
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Harmonising Legal Values and uBuntu: The Quest for Social Justice in the South African Common Law of Contract
Published in Potchefstroom electronic law journal (2019)“…In this article, a comparison is drawn between the role of good faith in the development of the Roman law of contract and the emerging role of ubuntu in the…”
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Microtopographical Characteristics of Artificially Formed Crusts
Published in Soil Science Society of America journal (01-05-1988)“…The properties of artificially formed crusts have usually been studied on two widely different scales: (i) the whole crusted area on which infiltrability was…”
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The Unilateral Determination of Price - A Question of Certainty or Public Policy?
Published in Potchefstroom electronic law journal (2013)“…The unilateral determination of price has been a controversial issue for an extended period of time. During the 1990s the Supreme Court of Appeal asked if the…”
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Bybelse inspirasie in die poësie van ’n Hugenoot: A. D ’A ubigné
Published in Koers (Potchefstroom, South Africa) (06-03-1981)“…The origin of the “Tragiques” of Agrippa d'Auhigni is to be sought in the poet's personal involvement in the religious struggle of the late sixteenth century…”
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Modelling the traction of a prototype track based on soil–rubber friction and adhesion
Published in Journal of terramechanics (01-10-2006)“…An experimental track layer tractor, based on an Allis Chalmers 8070 tractor (141 kW) was tested on bitumen covered concrete and on cultivated sandy loam at…”
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Evapotranspiration of citrus as affected by soil water deficit and soil salinity
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Energy optimization for subsoilers in tandem in a sandy clay loam soil
Published in Soil & tillage research (01-04-2006)“…In some maize growing regions of South Africa, conventional subsoilers are used in a tandem configuration to till up to 600 mm. The farmers believe the tandem…”
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