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    A Field machinery selection model for wheat producers in the Andes Pre-Cordillera of South Central Chile, Edmundo Hetz Huenchullán ; major Professor Merle L. Esmay

    Type
    • http://bibfra.me/vocab/lite/Work
    • http://bibfra.me/vocab/marc/Books
    • http://bibfra.me/vocab/marc/LanguageMaterial
    Contributor
    2

    • Esmay, Merle L, 1920-
    • Michigan State University (Estados Unidos), Department of Agricultural Engineering
    Creator
    1
    • Hetz Huenchullán, Edmundo
    Subject
    1
    • Maquinaria agrícola
    Content
    1
    • text
    autor
    1
    • Hetz Huenchullán, Edmundo
    majorprofessor
    1
    • Esmay, Merle L, 1920-
    Label
    A Field machinery selection model for wheat producers in the Andes Pre-Cordillera of South Central Chile, Edmundo Hetz Huenchullán ; major Professor Merle L. Esmay
    Language
    eng
    Bibliography note
    Bibliografía: h. 232-241
    Dissertation note
    Tesis de Grado (Doctor of Philosophy).-- Michigan State University, 1982.
    Index
    no index present
    Literary form
    non fiction
    Main title
    A Field machinery selection model for wheat producers in the Andes Pre-Cordillera of South Central Chile
    Nature of contents
    theses
    Responsibility statement
    Edmundo Hetz Huenchullán ; major Professor Merle L. Esmay
    Summary
    The global objective of this project was to develop a computer model to determine least cost machinery systems for the wheat producers located in the Andes Pre-Cordillera area to the province of Ñuble, in Chile. The model was designed for use as an educational tool for the students of the Agricultural Ingineering Department of the University of Concepción and to assist farmers in the machinery purchase and management decisions. The specific objectives of the project were: 1. To use climatological records to estimate the expected number of days suitable for fieldwork in the eastern part of the province of Ñuble, at selected probability levels. 2. To develop a computer model to aid the selection of field machinery systems for the wheat producers in this region. 3. To compare production systems differing in tillage intensity level and crop rotations including wheat, oats, lentils, and subterranean clover, with respect to machinery requirements and total cost including machinery, labor, timeliness, and fuel costs

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      • A Field machinery selection model for wheat producers in the Andes Pre-Cordillera of South Central Chile, Edmundo Hetz Huenchullán ; major Professor Merle L. Esmay