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Evaluation of soilless production systems for small scale production of two Amaranthus species and Swiss chard, Beta vulgaris
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Sedibe --- Dept. of Agronomy, RSA N. J.J. Combrink --- Dept. of Agronomy, RSA E.Y. Reinten --- , South AfricaTo improve the diet of rural families, small scale production of leafy vegetables, as a source of vitamin A and other nutrients should be encouraged. In this study, conducted under controlled environmental conditions (day temperatures in the greenhouse varied between... -
Effect of plant spacing on growth and yield of lettuce (Lactuca sativa L.) in a soilless production system
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Maboko --- , C.P. Du Plooy --- ,Lettuce production in re-circulating hydroponic systems is done on a limited scale in South Africa with conflicting information on the recommended spacing for optimal yield and quality in such systems. The development and yield of four lettuce (Lactuca sativa L.)... -
Unconsolidated sediment distribution patterns in the KwaZulu-Natal Bight, South Africa: the role of wave ravinement in separating relict versus active sediment populations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AN Green --- Geological Sciences, School of Agricultural, Earth and Environmental Sciences, South Africa CF MacKay --- Oceanographic Research Institute, South AfricaThis paper examines the distribution of unconsolidated sediment in the KwaZulu-Natal Bight located along the east coast of South Africa. Results show that there is a general shelf-wide sediment distribution of coarser grain sizes between depths of 60 and 100 m,... -
Magnitude, patterns and composition of wildlife roadkill in the Serengeti ecosystem, northern Tanzania
Item type: Journal Article • Journal: African Zoology • Authors: Richard D Lyamuya --- , Tanzania Kwaslema M Hariohay --- , Tanzania Emmanuel H Masenga --- , Tanzania John K Bukombe --- , Tanzania Grayson G Mwakalebe --- , Tanzania Maulid L Mdaki --- , Tanzania Ally K Nkwabi --- , Tanzania Robert D Fyumagwa --- , Tanzania Eivin Røskaft --- , NorwayGlobally, traffic associated with roads that pass through protected areas are the cause of many negative impacts on wildlife, such as wildlife roadkill, which has occurred within the Serengeti ecosystem. A 200 km stretch of gravel road networks that passes...