Production of irrigated Trifolium repens L. under a cutting regime in the subtropical region of Gauteng, South Africa

References

• Brock , JL and Caradus , JR . 1996 . “ Influence of grazing management and drought on white clover population performance and genotypic frequency ” . In White clover: New Zealand's competitive edge , Edited by: Woodfiekl , DR . Vol. 11 , 79 – 82 . Agronomy Society of New Zealand Special Publication .
   Google Scholar
• Brock , JL and Hay , MJM . 1996 . “ A review of the role of grazing management on the growth and performance of white clover in lowland New Zealand pastures ” . In White clover: New Zealand's competitive edge , Edited by: Woodfield , DR . Vol. 11 , 65 – 70 . Agronomy Society of New Zealand Special Publication .
   Google Scholar
• Brock , JL , Hay , MJM , Thomas , VJ and Sedcole , JR . 1988 . Morphology of white clover (Trifolium repens L.) plants in pastures under intensive sheep grazing . Journal of Agricultural Science , 111 : 273 – 283 .
   Web of Science ®Google Scholar
• Butler , WR and Elrod , CC . Nutrition and reproduction relationships in dairy cattle . Proceedings of the Cornell Nutrition Conference for Feed Manufacturers . Ithaca, New York. pp. 73 – 82 . Cornell University .
   Google Scholar
• Cross , GW . 1980 . “ The synthesis of data from Trifolium repens and Trifolium pratense trials conducted in the Natal region ” . Unpublished report N10/1980 Pietermaritzburg : Natal Region, Department of Agriculture and Fisheries .
   Google Scholar
• Davies , H . 1978 . Variety and nitrogen interaction in white clover . NIAB Fellows Conference Report , 4 : 4 – 6 .
   Google Scholar
• Edmund , DB . 1964 . Some effects of sheep treading on growth of ten pasture species . New Zealand Journal of Agricultural Research , 7 : 1 – 16 .
   Google Scholar
• Frame , J and Boyd , AG . 1987 . The effect of strategic use of fertilizer nitrogen in spring and/or autumn on the productivity of a perennial ryegrass/white clover sward . Grass & Forage Science , 42 : 429 – 438 .
   Web of Science ®Google Scholar
• Gibson , PB and Cope , WA . 1985 . “ White clover ” . In Clover science and technology , Agronomy 25 Edited by: Taylor , NL . 471 – 488 . USA : Wisconsin .
   Google Scholar
• Graven , EH and Theron , EP . 1970 . Band placement of lime and superphosphate for Ladino clover in an acid oxysol . Proceedings of the Grassland Society of Southern Africa , 5 : 106 – 112 .
   Google Scholar
• Grummer , RR . Nutrition and reproduction relationships . Proceedings of the Tri‐State Dairy Nutrition Conference . Fort Wayne, Indiana. pp. 7 – 37 . Indiana University‐Purdue University .
   Google Scholar
• Hollowell , EA . White clover Trifolium repens L. Annual or perennial? . Proceedings Xth International Grassland Congress . Finland : Helsinki .
   Google Scholar
• Laidlow , AS . 1984 . Quantifying the effect of nitrogen fertilizer applications in spring on white clover content in perennial ryegrass‐white clover swards . Grass & Forage Science , 39 : 317 – 321 .
   Google Scholar
• Labandera , C , Danso , SKA , Pastorini , D , Curbelo , S and Martin , V . 1988 . Nitrogen fixation in a white clover‐fescue pasture using three methods of nitrogen‐15 application and residual nitrogen‐15 uptake . Agronomy Journal , 80 : 265 – 268 .
   Google Scholar
• Ledgard , SF , Brier , GJ and Littler , RA . 1987 . Legume production and nitrogen fixation in hill pasture communities . New Zealand Journal of Agricultural Research , 30 : 413 – 421 .
   Web of Science ®Google Scholar
• MacVicar , CN , Loxton , RF , Lambrechts , JN , Le Roux , J , DeVilliers , M , Verster , E , Merryweather , FR , Van Rooyen , TH , Von , M and Harmse , HJ . 1991 . Soil classification. A binomial system for South Africa , Pretoria : Department of Agricultural Technical Services .
   Google Scholar
• McNeil , AM and Wood , M . 1990 . 15N estimates of nitrogen fixation by white clover (Trifolium repens L.) growing in a mixture with ryegrass (Lolium perenne L.) . Plant & Soil , 128 : 265 – 273 .
   Google Scholar
• Miles , N . 1991 . Nutrition of intensive pastures in the summer rainfall areas of southern Africa . Journal of the Grassland Society of Southern Africa , 8 : 39 – 48 .
   Google Scholar
• Munro , JMM and Young , NR . 1978 . “ White clover on hill land : purpose, potential and problems ” . NIAB Fellows Conference Report 4 7 – 10 .
   Google Scholar
• Murphy , WM , Barreto , ADM , Silman , JP and Dindal , DL . 1995 . Cattle and sheep grazing effects on soil organisms, fertility and compaction in a smooth‐stalked meadowgrass dominant white clover sward . Grass & Forage Science , 50 : 191 – 194 .
   Google Scholar
• NRD . 1988 . Nutrient requirements of dairy cattle , 6th revised edn , Washington, D.C : National Academy Press .
   Google Scholar
• Rangeley , A . 1988 . The utilization of N fertilizer application, applied to ryegrass/white clover pasture growing on a humus iron podzol in N.E. Scotland . Grass & Forage Science , 43 : 363 – 369 .
   Google Scholar
• Reed , KFM . Pasture species for Victoria ‐ recent and future developments . Proceedings of the Victorian Grassland Society Conference . Melbourne. pp. 47 – 68 .
   Google Scholar
• Reid , D . 1986 . The effects of frequency of cutting and nitrogen application rates on the yields from perennial ryegrass plus white clover swards . Journal of Agricultural Science, Cambridge , 107 : 687 – 696 .
   Web of Science ®Google Scholar
• Singh , DK and Sale , PWG . 1997 . Defoliation frequency and the response by white clover to increasing phosphorous supply. 1. Leaf dry matter yield and plant morphology responses . Australian Journal of Agricultural Research , 48 : 111 – 118 .
   Google Scholar
• Smetham , ML . 1977 . “ Grazing management ” . In Pastures and pasture plants , Edited by: Langer , RHM . 179 – 228 . Sydney, , Australia : AH & AW Reed .
   Google Scholar
• Van Heerden , JM . 1986 . Effect of cutting frequency on the yield and quality of legumes and grasses under irrigation . Journal of the Grassland Society of Southern Africa , 3 : 43 – 46 .
   Google Scholar
• Van Heerden , JM and Tainton , NM . 1989 . Seasonal grazing capacity of an irrigated grass/legume pasture in the Ruens area of the southern Cape . Journal of the Grassland Society of Southern Africa , 6 : 216 – 219 .
   Google Scholar
• Woodfield , DR and Caradus , JR . 1996 . Factors affecting white clover persistence in New Zealand pastures . Proceedings of the New Zealand Grassland Association , 58 : 229 – 235 .
   Google Scholar
• Williams , WM . 1987 . “ Adaptive variation ” . In White clover , Edited by: Baker , MJ and Williams , WM . 299 – 321 . Wallingford, Oxon, , UK : CAB International .
   Google Scholar