Author:Nahman, Anton; De Lange, Willem JDate:Nov 2013In a previous paper (Nahman et al., 2012), the authors estimated the costs of household food waste in South Africa, based on the market value of the wasted food, as well as the costs of disposal to landfill. In this paper, we extend the ...Read more
Author:Nahman, Anton; De Lange, Willem JDate:Sep 2013We estimate the costs of food waste throughout the entire food value chain, from agricultural production through to consumption at the household level, in economic terms. First, food waste at each stage of the value chain was quantified in ...Read more
Author:De Lange, Willem J; Nahman, AntonDate:Jun 2015The economic, social and environmental costs of food waste are being increasingly recognised. Food waste consists of both edible and inedible components. Whilst wastage of edible food is problematic for obvious reasons, there are also costs ...Read more
Author:Nahman, Anton; De Lange, Willem J; Oelofse, Suzanna HH; Godfrey, Linda KDate:Nov 2012Food waste is problematic for a number of reasons, including the loss of a potentially valuable food source or resource for use in other processes (e.g. energy generation or composting), wasted resources and emissions in the food supply chain, ...Read more
Author:Wise, RM; Van Wilgen, BW; Le Maitre, David CDate:Aug 2012Mesquite (Prosopis species) were introduced to South Africa to provide fodder and shade for livestock, but some have become invasive, impacting on water and grazing resources. Mesquite’s net economic effects are unclear and their unequal ...Read more
Author:Van der Sluijs, MHJ; Hunter, LawranceDate:May 2018This review focusses on physical forms of contaminant including the presence, prevention and/or removal of foreign bodies, stickiness and seed-coat fragments rather than the type and quantity of chemical residues that might be present in ...Read more
Author:Hunter, LDate:Dec 1989Cotton lint contamination can be sub-divided into two main groups, namely those of natural origin and those of man-made origin.Read more
Author:Robinson, GA; Cawood, MP; Dobson, DADate:Mar 1977Knitting of all cotton and 60/40 percent cotton/polyester blends from singles yarns on a 28 gauge machine is described.Read more
Author:Shiloh, M; Hanekom, ECDate:Jul 1973Fabrics were woven from 30/70 wool/cotton yarns, two of them being plain weaves of 200g/m and 140 g/m, and one a poplin of 200 g/m.Read more
Author:Crouch, NR; Styles, DG; Walters, MicheleDate:May 2021A new Cotyledon species, C. nielsii N.R.Crouch, D.Styles & Mich.Walters, is described from cliffs of the western part of eThekwini Metro near the city of Durban, KwaZulu-Natal province, South Africa. The species is closely allied to the ...Read more
Author:Musvoto, Constansia DDate:Feb 2015South African agriculture is dominated by the large scale commercial sector. However, the government of South Africa recognises the potential role of small scale farming in the economy of the country and in job creation. South Africa has ...Read more
Author:Gupta, R; Tipoy, CK; Das, SonaliDate:2010This paper analyzes the ability of a random walk and, classical and Bayesian versions of autoregressive, vector autoregressive and vector error correction models in forecasting home sales for the four US census regions (Northeast, Midwest, ...Read more
Author:Das, Sonali; Gupta, R; Kabundi, ADate:2009This paper develops large-scale Bayesian Vector Autoregressive (BVAR) models, based on 268 quarterly series, for forecasting annualized real house price growth rates for large-, medium- and small-middle-segment housing for the South African ...Read more
Author:Veerasamy, Namosha; Grobler, MDate:Oct 2010Cyberterrorism addresses the convergence of the fear-causing world of terrorism with the abstract realm of cyberspace, computers and networks. While cyberterrorism can be executed using various technical security exploits, it inherently stems ...Read more
Author:Loveday, Philip WDate:Jan 1996Coupled electromechanical equations of motion, describing the dynamics of a vibrating cylinder gyroscope, are derived using Hamilton's principle and the Rayleigh-Ritz method. The vibrating cylinder gyroscope comprises a thin walled steel ...Read more