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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Agroforestry systems 31 (1995), S. 21-37 
    ISSN: 1572-9680
    Keywords: pole-cutting ; ethnobotany ; living fences ; indigenous species
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé En pays Bamiléké, sur les hauts plateaux de l'ouest du Cameroun, les paysans utilisent la technique des macro-boutures pour la gestion de leur parc arboré. L'utilisation du macrobouturage suit un certain nombre de règles pour la récolte des boutures, leur conditionnement et leur plantation, qui dépendent de l'espèce bouturée. La fonction principale de la haie détermine la longueur et l'espacement des boutures, leur organisation et leur palissage avec du ‘bambou’ raphia. Cette technique contribue à la construction de haies séparant l'espace cultivé des parcs à bétail d'une part, et marquant les limites de leur concession d'autre part. Elle répond utilement à un certain nombre de besoins: marquage rapide de limites foncières; séparation élevage/agriculture; fourniture de la majeures parties des besoins de la famille en produits forestiers par une taille en tétard. Mais elle réquière une gestion fine des haies. Avec la diminution des troupeaux et l'abscence fréquente du chef de famille, les techniques de gestion du parc arboré évoluent.
    Notes: Abstract In the Bamileke country (West Cameroon), farmers use pole-cutting practice for plantation tree and hedge management. Depending on the species, this practice follows certain rules for gathering, conditioning and planting of pole-cuttings. The main function of the living fences determines the length of the cuttings, the space between them, the hedge structure and its latticing with raffia ‘bamboo’. Pole-cutting practice enables farmers to set up pigs, goats and sheep enclosures in the crop fields, as well as to demarcate the family lots. Trees stemming from pole-cutting are pollarded to supply the family group with the majority of their wood product requirements. Pole-cutting practice fulfills the needs of several farmers such as rapid delimitation of land, animal enclosures, firewood, construction wood, timber and cutting production. However, this practice needs a fine hedge management. With decreasing sheep and goat herds and the frequent absence of the farmer, techniques of hedge management are changing.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-07-13
    Description: An infrared spectroscopy instrument for infrared remote sensing from the Cassini orbiter is being breadboarded in the laboratory. The Composite Infrared Spectrometer (CIRS) consists of a pair of Fourier Transform Spectrometers (FTS) which together cover the range from 10 - 1400/cm with a spectral resolution up to 0.5/cm. The far-infrared FTS is a polarizing interferometer covering the 10 - 300/cm range. The mid-infrared FTS is a conventional Michelson FTS covering 200 - 1400/cm in three spectral channels. CIRS will retrieve information on the atmospheres of Titan and Saturn with good vertical resolution, from deep in their tropospheres to high in their stratospheres, and into the upper few centimeters of the regoliths of icy objects. The science objectives and design of CIRS are discussed.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Optical Spectroscopic Instrumentation and Techniques for the 1990s; Jun 04, 1990 - Jun 06, 1990; Las Cruces, NM; United States
    Format: text
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