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Overwintering beef animals on kikuyu (Pennisetum clandestinum) — its effect on animal performance and soil fertility
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WD Gertenbach N Miles IB StewartA large proportion of the nutrients ingested by grazing animals are returned to the pasture in dung and urine. These by-products of animal digestion contain many ingredients necessary for plant growth, including nitrogen (N), phosphorus (P) and potassium (K). Disadvantages... -
Effects of short-term intensive trampling on Karoo vegetation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jeannine McManus --- Landmark Foundation, South Africa Stefan A Goets --- Landmark Foundation, South Africa William J Bond --- Department of Biological Sciences, South Africa Joh R Henschel --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Bool Smuts --- Landmark Foundation, South Africa Suzanne J Milton --- South African Environmental Observation Network (SAEON): Arid Lands Node, South AfricaPlant growth forms likely respond differently to disturbances such as trampling. We investigated the trampling effect of 1 600 sheep encamped at night in temporary enclosures (kraals, corrals or pens), which were relocated weekly. To examine trampling effects and regeneration... -
Design, construction and mathematical modelling of the performance of a biogas digester for a family in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Patrick Mukumba --- Department of Physics, South Africa Golden Makaka --- Department of Physics, South Africa Sampson Mamphweli --- Department of Physics, South Africa Peace-maker Masukume --- Department of Physics, South AfricaCurrently, South Africa is experiencing electricity blackouts as result of an energy shortage. Biogas can be a solution to South Africa’s energy needs, especially in the rural areas of the Eastern Cape province that have plenty of biogas substrates from... -
Participative cultural productions of the oppressed: The master-servant dialectic through an Indian lens
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: AC Nisar --- , IndiaThe master-servant and self-substance dialectic in Hegel’s Phenomenology of Spirit presents the self as reflectively negating the particularities of its natural consciousness and transcending towards the social substance in order to inscribe its culturally refined self-conception upon the universal substance...