A critical view on the soil fertility status of minimum-till kikuyu-ryegrass pastures in South Africa - Swanepoel, Pieter A; du Preez, Chris C; Botha, Philip R; Snyman, Hennie A (African journal of range & forage science, 2015)
Keywords: Animal production; annual pastures; Cenchrus clandestinus; conventional tillage; cultivated pastures; environmental sustainability; Farming systems; fertilisation; Fertilizers; Food security; guidelines; irrigation; minimum tillage; nutrient cycling; Nutrient loading; Pasture; Pastures; permanent grasslands; phosphorus; Physical properties; pollution load; Rangelands; Soil conservation; Soil fertility; Soil physical properties; Soils; South Africa; Tillage; Topsoil; zinc; South Africa