Articles by Keyword: Lt Em Gt Trifolium Vesiculosum Lt Em Gt

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  1. A comparison of a number of annual cool season legumes under dryland conditions in the Dohne Sourveld

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    Fifteen annual cool season legumes were compared under dryland conditions on two sites in the Dohne Sourveld. These sites were Dohne, with a mild but dry winter and an average rainfall of 743 mm per year, and Grasslands, a colder,...
  2. Nitrogen fixation of annual temperate clover species determined by the nitrogen difference method

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    The nitrogen fixation ability of Trifolium vesiculosum cv. Amclo and Trifolium subterraneum cv. Mount Barker in pure and mixed stands with Lolium multiflorum cv. Midmar were compared using the nitrogen difference method (NDM). The percentage and quantity of apparent legume‐derived...
  3. A comparison of the herbage and seed yields of annual cool season pasture legumes in the Bathurst, Alexandria and Humansdorp areas

    A comparison of the herbage and seed yields of annual cool season pasture legumes in the Bathurst, Alexandria and Humansdorp areas

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The herbage and seed yields of annual cool season pasture legumes at three coastal sites in the eastern Cape are compared. Fair yields were obtained at the high rainfall sites, but at the low rainfall site the crops were unreliable...
  4. Eight decades of pasture plant improvement in South Africa

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    Pasture plant improvement in South Africa is reviewed. Before 1910 only introduction and evaluation took place but shortly after 1910 selections were made from tall fescue introductions. Early breeding programmes were established at Prinshof, Potchefstroom, Grahamstown and later Rietondale.
  5. On the sensitivity of seven legumes to the herbicide tetrapon

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    A trial was conducted in a glasshouse to screen seven legumes for their sensitivity to tetrapion. The application rates were 0g, 750g, 1500g and 3000g a.i./ha. Lotus corniculatus and Vicia dasycarpa were not visibly affected even at the highest rates...
  6. The effect of fertiliser N rates on growth of perennial ryegrass (<em>Lolium perenne</em>) and white clover (<em>Trifolium repens</em>) grown at high soil water levels under controlled conditions

    The effect of fertiliser N rates on growth of perennial ryegrass (<em>Lolium perenne</em>) and white clover (<em>Trifolium repens</em>) grown at high soil water levels under controlled conditions

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The response of perennial ryegrass and white clover to fertiliser N rates of 0, 30, 60, 120 and 180 kg N ha−1 when grown at soil water potentials of-10, −20, −25 and −35 kPa were investigated. Increasing fertiliser N levels...
  7. Influence of single applications of nitrogen on white clover nitrogen fixation in autumn and winter dairy pastures in south‐west Victoria, Australia

    Influence of single applications of nitrogen on white clover nitrogen fixation in autumn and winter dairy pastures in south‐west Victoria, Australia

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Effects of nitrogen (N) (0, 15, 30, 45 and 60 kg N ha−1) applied at five different times during autumn and early winter on the N fixation of Trifolium repens L. (white clover) in Lolium perenne L. (perennial ryegrass) /...
  8. Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Yield and botanical composition

    Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Yield and botanical composition

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Experiments were conducted at three sites to study effects of different nitrogen (N) fertilisers (e.g. urea, ammonium nitrate, di‐ammonium phosphate and ammonium sulphate), applied at 45 kg N ha−1, with and without phosphorus (P), potassium (K) and sulphur (S), on...
  9. Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Pasture nutritive value and mineral content

    Spring and autumn nitrogen fertiliser effects, with and without phosphorus, potassium and sulphur, on dairy pastures: Pasture nutritive value and mineral content

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Experiments were conducted at three sites to examine effects of applying different nitrogen (N) fertilisers at 45 kg N ha−1, with and without phosphorus (P), potassium (K) and sulphur (S) on dairy pasture nutritive value and mineral content in autumn...
  10. Effects of low rates of nitrogen and phosphorus fertilisers on productivity of an annual African clover, <em>Trifolium quartinianum</em> cultivar Mealton 5, for zero grazing in Kenyan highland smallholdings

    Effects of low rates of nitrogen and phosphorus fertilisers on productivity of an annual African clover, <em>Trifolium quartinianum</em> cultivar Mealton 5, for zero grazing in Kenyan highland smallholdings

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Zero grazing is the cornerstone of dairying in intensively cultivated smallholdings in Kenya. The cut and carry method of forage harvesting increasingly is leading to soil mining, especially of phosphorus (P) and nitrogen (N). This problem is more serious in...