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Showing items 1 through 9 of 68.
  1. Library Resource
    Policy Papers & Briefs
    December, 2006

    Black truffle (Tuber melanosporum Vitt) is an agro-forest resource with great development potentiality in Mediterranean calcareous mountains. In this study, we analyse the ectomycorrhizal inoculum potential of the soil and the competitiveness of Tuber melanosporum ectomycorrhizas to this inoculum in the different land uses present in a truffle-producing region with the aim of assessing their suitability for establishing truffle orchards. Soil samples collected from forests, croplands and wastelands in El Toro (Valencian Region, Eastern Spain) were used to perform four greenhouse bioassays.

  2. Library Resource
    Journal Articles & Books
    December, 2006

    Este trabajo pretende contribuir al estudio de los factores que determinan el paso de las explotaciones de vacuno de leche a vacuno de carne en la Cornisa Cantábrica, examinando para ello la relación de este proceso con las características productivas y familiares de las explotaciones.

  3. Library Resource
    Conference Papers & Reports
    December, 2006
    Spain

    En los últimos años han sido incuantificables las aplicaciones que se han llevado a cabo mediante la utilización de las denominadas Tecnologías de la Información Geográfica, bien a través del empleo de los sistemas de información geográfica (SIG), bien mediante el manejo y el análisis de imágenes de satélite (Teledetección), o bien mediante la aplicación de técnicas estadísticas de análisis multivariantes.

  4. Library Resource
    Journal Articles & Books
    December, 2006
    Chile

    The System of Incentive for Degraded Soils Recuperation is one of the Ministry of Agriculture’s most important programs. Theprogram has existed for eight years and annually benefits nearly 40,000 farms, totaling US$ 30 million per year. This study evaluatestwo specific sub-programs of incentives using a year 2001 survey of 402 small farm households participating in INDAP (small-farmsubsidized credit program) and living in the VII to X Regions.

  5. Library Resource
    Journal Articles & Books
    December, 2006
    Chile

    The rural economy is constituted of many economic activities as forest, fishing and of course agriculture, among others that are developedin nonurban areas. In this work the rural areas are analyzed from a spatial perspective (areal and georreferenced Information), in termsof density of population, distance to the centers of services and activities that are developed on them. The general objective is toquantify, characterize and hierarchize the rurality in the X Region of the Lakes – Chile, and to relate these levels to some developedeconomic activities.

  6. Library Resource
    Conference Papers & Reports
    December, 2006
    Spain

    En la introducción se definen las características que determinan el ecosistema dehesa. En la primera parte se describen los sistemas de explotación de las distintas especies ganaderas que se han empleado tradicionalmente hasta la mitad del siglo 20. En la segunda parte se muestra la repercusión que ha tenido la investigación agraria en la revolución verde, lo que ha dado lugar a cambios drásticos en los sistemas de producción agraria. Por otra parte, se definen los pilares básicos de los modernos sistemas de explotación agraria en condiciones extensivas.

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