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The development of a leaf tensilmeter for in situ measurement of leaf tensile strength
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: R.H. Westfall --- , Republic of South Africa J.M. van Staden --- , Republic of South Africa P.J. Britz --- , Republic of South Africa C. Pretorius --- , Republic of South AfricaThe development of a portable leaf tensilmeter for the in situ measurement of leaf tensile strength is described. Tensile strength is determined by the distortion of strain gauges on modified stripping pliers which are used to break leaf blades. The... -
Preferential utilization of pans by springbok (Antidorcas marsupialis)
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: S.J. Milton --- FitzPatrick Institute, Republic of South Africa W.R.J. Dean --- FitzPatrick Institute, Republic of South Africa C.P. Marincowitz --- , Republic of South AfricaForage utilization by springbok in pans and surrounding habitats was compared at one karroid shrubland site and two desert grassland sites and was found to be greater in pans than on adjacent plains and dunes. Springbok used pan areas for... -
Influence of period of deferment before stocking spring‐burnt sourveld on sheep performance and veld productivity
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.L. Barnes --- Department of Agricultural Development (Transvaal Region), Republic of South Africa C.P. Dempsey --- Department of Agricultural Development (Transvaal Region), Republic of South AfricaSpring‐burnt sourveld was stocked with Merino lambs after three different periods of deferment from the time of start of growth in spring. During three seasons, average seasonal livemass gains on veld which was stocked shortly after the start of growth...