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  • Articles  (18,028)
  • 1965-1969  (18,028)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (18,028)
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  • Articles  (18,028)
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  • 1
    Electronic Resource
    Electronic Resource
    THE PATTERN OF GRAZING IN ‘CONTINUOUSLY’ GRAZED SWARDS (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 24 (1969), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The frequency and severity of defoliation of small sample areas, 8 × 8 cm, was studied in swards of S37 cocksfoot which were maintained at different levels of leaf-area index by continuous grazing with lambs. By varying the number of lambs grazing a plot, the LAI was maintained at three approximately constant levels, 5.3 (H), 4.1 (M), and 3.0 (L). Any one 8 × 8 cm area was grazed on average once every 36 days in treatment H, 24 days in treatment M and 19 days in treatment L. Approximately 24% of the total length of leaf present per tiller was removed each time a tiller was grazed, under all treatments. The lambs tended to graze patches of herbage about 16 × 16 cm, then move to a different place in the sward. These results are discussed in relation to grazing practices aimed at securing the maximum harvested yield.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1969.tb01046.x
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  • 2
    Electronic Resource
    Electronic Resource
    BEEF PRODUCTION FROM PASTURE LEYS IN UGANDA (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 24 (1969), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The potential for producing beef in savanna grassland areas is discussed in relation to the results obtained from grazing trials on sown pastures at Serere Research Station, Uganda. Liveweight gains from small East African Zebu stock are used to illustrate the progress that has been made in the selection of improved pasture species and mixtures grown at various levels of fertilizer application. The utilization of herbage from selected pastures is shown to vary under different grazing management systems, grazing pressure having the greatest effect upon animal production. The need for further investigations and the integration of existing research findings into farming practice is stressed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1969.tb01049.x
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  • 3
    Electronic Resource
    Electronic Resource
    BOOK REVIEWS (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 24 (1969), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Book reviewed in this article:LANGER, R. H. M. [Ed.] The luceme crop.FRYER, J. D.; EVANS, S. A. [Eds] Weed control handbook.RODIN, L. E.; BAZILEVICH, N. I. Production and mineral cycling in terrestrial vegetation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1969.tb01050.x
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  • 4
    Electronic Resource
    Electronic Resource
    COMPARISON OF DIPLOID AND TETRAPLOID RYEGRASSES IN ANIMAL-PRODUCTION EXPERIMENTS (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A number of experiments are reported in which comparisons were made, using calves, or ewes and lambs, between Tetila Tetrone and S22 or Danish Italian rye-grasses or between Reveille and S24 perennial ryegrasses.In general, the differences over the whole growing season were not large, but grazing experiments with calves during 1963-5 all showed that a substantial advantage in live-weight gain, can be obtained in the later part of the grazing season (July to September) by using T. Tetrone rather than S22 or Danish Italian ryegrasses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00592.x
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  • 5
    Electronic Resource
    Electronic Resource
    LEATHERJACKET DAMAGE TO GRASSLAND (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: By controlling the high populations of leatherjackets in two experimental leys it was shown that the loss of grass from this pest could be heavy. The most serious loss occurs in early summer. As soon as the larvae cease feeding in mid-June recovery begins and subsequent growth is satisfactory. Clover is damaged more heavily than grasses, but recovers completely by early autumn. The implications of these experiments are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00595.x
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  • 6
    Electronic Resource
    Electronic Resource
    ROUNDWORM INFESTATION IN LAMBS (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00569.x
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  • 7
    Electronic Resource
    Electronic Resource
    ADVANCE NOTE ON RESEARCH (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00568.x
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  • 8
    Electronic Resource
    Electronic Resource
    VARIATION IN YIELD, MATURITY TYPE, WINTER GREENNESS AND SENSITIVITY TO CUTTING OF HILL GRASS SPECIES (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two experiments are described in which data were collected on yield, floral characteristics and winter greenness of a number of indigenous hill grass species. Differential cutting treatments, besides affecting total yield, affected yield and floral vigour in the subsequent year. Differences in sensitivity to cutting were present among the species. The date at which the grasses were last cut in autumn affected their winter greenness though responses differed among species. The significance of these results in relation to performance and management of hill pastures is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00567.x
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  • 9
    Electronic Resource
    Electronic Resource
    DRY MATTER PRODUCTION AND LIGHT INTERCEPTION OF CROP SURFACES (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The growth curves of closed grassland swards obtained during the growing seasons of six successive years were compared with each other and with theoretical growth rates calculated by de Wit's method and based on the mean light energy input data for the same years. The form of the growth curve consisted of a period with a constant rate, lasting for 6–7 weeks in May-June, then rapidly shortening to 3 weeks in August-September, after which there was a rather abrupt change to zero values. A comparison with theoretical values showed that a period of constant growth rate was possible, because the promoting influence of increasing LAI counteracted the effect of increasing respiration. Before the longest day this period was lengthened by an increasing daylength; thereafter the reverse was found. There is no ready explanation for the sudden decline to zero values. This is thought to be associated with changes in the rate of photosynthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00576.x
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  • 10
    Electronic Resource
    Electronic Resource
    THE RELATIONSHIP BETWEEN LIGHT BENEATH WHEAT CROPS AND GROWTH OF UNDERSOWN CLOVER (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 23 (1968), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In two experiments the growth of clover undersown to wheat was linearly related to the amount of light available. There were strong indications that clover growth and light within N.-S. rows were superior to those within E.-W. rows of wheat, and within N.-S. rows, those along the middle position were superior to others. The large difference between the growth of clover sown alone and with wheat indicated that beneath wheat the clover suffered from competition for other factors, probably soil moisture, which was even greater than that for light. Beneath wheat at the reduced level of growth there was a positive linear relationship between yield of clover and available light.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1968.tb00580.x
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