The ‘papers’ format was utilized for writing up this thesis, thus, while the general introduction and the literature review apply to all of the chapters of the thesis, the chapters that deal with finding answers to the specific objectives of the study are further introduced at the beginning of each chapter. Furthermore, sections for the materials and methods, the presentation and discussion of findings, the conclusions and recommendations, the reference and appendices for the parts of the study that have been dealt with in each chapter have been provided for each chapter independently. However, in some cases the same materials and methods were used for finding answers to more than one of the specific objectives indicated above, thus, overlapping of the materials, methods and findings occurred in some chapters. In general, the Food Policy Journal (Elsevier), 2010 format was used, and the chapters are arranged as follows:
(i) Chapter One: Introduction (ii) Chapter Two: Literature review
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(iii) Chapter Three: The dietary importance of maize in Katumba ward, Rungwe district, Tanzania and its contribution to household food security1.
(iv) Chapter Four: Maize storage problems and the quality of maize in Katumba ward, Rungwe district, Tanzania: implications on household food security
(v) Chapter Five: The importance and characteristics of roof and sack storage methods and their implications on household food security in Katumba ward, Rungwe district, Tanzania
(vi) Chapter Six: The effects of fungal infection and mycotoxin contaminations on the quality of maize stored using roof and sack storage methods in Katumba ward, Rungwe district, Tanzania2.
(vii) Chapter Seven: Farm households’ food security status and the farm households’
understanding of food security in Katumba ward, Rungwe district, Tanzania.
(viii) Chapter Eight: Overview of the research findings
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CHAPTER TWO LITERATURE REVIEW