Titlebook: Environmental Adaptation of Tropical Pasture Plants; L. R. Humphreys Textbook 1981Latest edition L. R. Humphreys 1981 adaptation.environme

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Introduction,ed cultivars is gradually changing the levels of livestock performance and of farming stability in parts of the tropical world. The release of so many plants has led to some confusion about the specific environmental conditions to which particular plants are best adapted, and the performance charact

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Patterns of Geographical Distribution,man activity accelerated their dispersion need to be viewed, in order to cast light on potential area of use and to suggest new sources of gene improvement. Plant introduction, selection and breeding is necessarily a continuing activity, since the utilisation of the genetic resources available for p

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The Capacity for Genetic Variation,, dense leafy swards of temperate climates. The cultivated tropical pasture legumes include trees such as ., twining plants such as . capable of climbing 15 m up a tree, and erect shrubby forms such as . cv. Seca, as well as the low-growing stoloniferous ., reminiscent of the familiar and ubiquitous

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Plant Response to Edaphic and Physiographic Hazards, on which it occurs. It is much more difficult to understand the reasons why a particular spatial distribution is found, since most of the evidence is only associative, and many soil parameters are highly correlated with one another and with other features of the physical and biotic environment. I f