Attributes of small-scale sugarcane contractors that influence their service quality in KwaZulu-Natal

The productivity of small-scale sugarcane contractors affects not only their own profitability and sustainability, but that of other stakeholders as well, such as the small-scale sugarcane farmers they contract to and the sugar mills they supply with sugarcane. This study examines the attributes of small-scale sugarcane contractors that affect their quality of service as perceived by small-scale sugarcane growers (SSGs). Information was obtained through interviews conducted with 114 contractors sampled in ten mill group areas in KwaZulu-Natal between September 2002 and July 2003. Further interviews were conducted in the same time period with SSGs for information on contractor service quality (transport and general service timeliness, meeting of daily rateable delivery requirements, low downtimes, good staff management, and minimal disagreements on service terms). Results show that factors affecting a contractor's perceived service quality include gender, training, the quality of information used (industry focused information sources such as the South African Sugar Association Experiment Station (SASEX) and the Ingede magazine, or general sources such as the radio), and sugarcane tonnage transported (size of business). Being a male contractor and having a larger business positively influence service rating as perceived by SSGs. The importance of the quality of information used and increased training levels highlights the need for the continual provision of relevant information and training for sugarcane contractors by extension services (government, SASEX and milling companies).Crop Production/Industries,

The Influence of Nurse Logs on Seedlings and Trees in Temperate Rainforests

Nurse logs provide safe sites from biotic and abiotic factors inhibiting seedling establishment and growth on the forest floor. Nurse logs therefore disrupt density dependent effects of fungal pathogens on seedlings

The Theories of the Origin of the Antarctic Faunas and Floras

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Institutional and resource constraints that inhibit contractor performance in the small-scale sugarcane industry in KwaZulu-Natal

This study focuses on identifying constraints that inhibit sugarcane contractor performance in the small-scale sugar industry in KwaZulu-Natal (KZN). Information is drawn from a sample survey, conducted with 124 randomly selected contractors from 11 mill group areas of KZN between September 2002 and July 2003 and case studies of contractors, sub-committee members and development officers conducted in eight mill group areas. Results show that contractors face institutional constraints (work allocation limitations, lack of performance incentives and high transaction costs, such as negotiation costs, the risk of a loss in work and contract default risk), cash flow problems, poor physical infrastructure and a lack of labour. It is expected that the promotion of a more competitive small-scale sugarcane contractor sector will alleviate many problems (such as work allocation limitations) faced by small-scale contractors, while providing incentives for their provision of higher quality and cheaper services to small-scale sugarcane growers (SSGs). Government also has a role in strategising the creation of land markets while providing improved rural infrastructure (district roads). Government also needs to ensure unbiased tribal court rulings, review the impacts of minimum wage legislation on contractors sourcing labour, and provide protection for those competing for work. Keywords: institutions; small-scale contractor performance; sugar industry South African Journal of Agricultural Extension Vol. 34(1) 2005: 55-8

Enhanced superconductivity at the interface of W/Sr2_{2}RuO4_{4} point contact

Differential resistance measurements are conducted for point contacts (PCs) between tungsten tip approaching along the $c$ axis direction and the $ab$ plane of Sr$_{2}$RuO$_{4}$ single crystal. Three key features are found. Firstly, within 0.2 mV there is a dome like conductance enhancement due to Andreev reflection at the normal-superconducting interface. By pushing the W tip further, the conductance enhancement increases from 3\% to more than 20\%, much larger than that was previously reported, probably due to the pressure exerted by the tip. Secondly, there are also superconducting like features at bias higher than 0.2 mV which persists up to 6.2 K, resembling the enhanced superconductivity under uniaxial pressure for bulk Sr$_{2}$RuO$_{4}$ crystals but more pronounced here. Third, the logarithmic background can be fitted with the Altshuler-Aronov theory of tunneling into quasi two dimensional electron system, consistent with the highly anisotropic electronic system in Sr$_{2}$RuO$_{4}$.Comment: prb style, 9 pages, 8 fig