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The objectives of this study were to examine the effects of starter N inputs and Bradyrhizobium inoculation on soybean symbiotic N fixation and grain yield under field and greenhouse conditions. The study was conducted in the Wellington and the Habitant dykelands in NS. The treatments consisted of 0, 1.5, 3 and 4.5 g/kg seed rates of inoculant and 0, 10, 20, and 30 kg/ha rates of N fertilizer. Under acidic soil conditions, the inoculated plants showed significant N fixation responses in the Wellington field while saline soil conditions suppressed N fixation in the Habitant field. The soybean grain yield showed an increasing trend with the inoculant rate 4.5 g/kg seed. The starter N fertilizer did not facilitate the soybean grain yield in the dykelands. Under controlled environment conditions, inoculant rate 3 g/kg seed alone produced the same amount of yield as 1.5 and 4.5 g/kg seed rates with N fertilizer.

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Fertilizer plays a major role in the profitability of the farmer’s business, his/her future success as well as the sustainability of his business. Fertilizer is also one of the most expensive farm inputs, and therefore, has the ability to make or break the farmer. The emerging farmer market segment is expanding and holds a great deal of potential for fertilizer companies to supply the growing need of fertilizer in this market. Almost all fertilizer marketing strategies of South African companies have been designed to cater for the commercial farming sector; however, if fertilizer suppliers want to focus on the emerging farmer market segment, they need to understand buying behaviour of emerging farmers as well as their needs when developing strategies to utilize opportunities in this developing market. This study aims to do just that by identifying factors playing an important role in the buying behaviour of emerging farmers in the Free State when purchasing fertilizer. This study was conducted in two phases. During phase one, a literature review was conducted; phase two consisted of an empirical study. Questionnaires were used as a measuring instrument and were filled out by 32 participants to determine emerging farmer buying behaviour. Data was analysed by means of descriptive statistics and correlation analyses. The Coefficient of Cronbach’s Alpha was employed to verify the validity of the data. The results show that four (4) factors; (i) Service, (ii). Brand, (iii) Product and (iv). Learning/Psychological factors highly influence emerging farmers’ fertilizer purchase decision. The study also finally draws recommendations and conclusions for managerial perusal. / MBA, North-West University, Potchefstroom Campus, 2014

Thesis (M.S.)--Auburn University, 2007. / Title from title screen (viewed on Jan. 31, 2008). Abstract. Vita. Includes bibliographic references (ℓ. 47-51)

Thesis(M.S.)--Auburn University, 2005. / Abstract. Vita. Includes bibliographic references.

Thesis (M.S.) in Plant, Soil and Environmental Sciences--University of Maine, 2008. / Includes vita. Includes bibliographical references (leaves 93-100).

Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1991. / Vita. Abstract. Includes bibliographical references (leaves 80-88). Also available via the Internet.