Browsing Department of Geography and Environmental Science by Author "Swotwa, Ezekia"
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Assessing the spectral separability of flue cured tobacco varieties established on different planting dates and under varying fertilizer management levels
Swotwa, Ezekia; Masuka, Anxious; Maasdorp, Barbara; Murwira, Amon (Hindawi, 2014-01-24)The NDVI was used to discriminate tobacco variety, assess fertilizer levels, and determine the impact of planting date on separating crops. A split plot design with four planting dates, September, October, November, and ... -
Remote sensing applications in tobacco yield estimation and the recommended research in Zimbabwe
Swotwa, Ezekia; Masuka, Anxious; Maasdorp, Barbara; Murwira, Amon; Shamudzarira, Munyaradzi (Hindawi, 2013-10)Tobacco crop area and yield forecasts are important in stabilizing tobacco prices at the auction floors. Tobacco yield estimation in Zimbabwe is currently based on statistical surveys and ground-based field reports.These ... -
Selection of optimum vegetative indices for the assessment of tobacco float seedlings response to fertilizer management
Swotwa, Ezekia; Maasdorp, Barbara; Murwira, Amon; Masuka, Anxious (Hindawi, 2012-05-21)The experiment sought to establish the vegetative indices for assessing tobacco float seedling varieties’ response to different fertilizer rates. A factorial design, with 3 variety × 4 fertilizer management treatments, ...