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Showing items 1 through 9 of 57.
  1. Library Resource
    Journal Articles & Books
    December, 1985
    Colombia, Central America, South America

    The factors influencing the size and shape of exptl. field plots (area of exptl. lot, soil types, trial objective, no. of replicates, and degree of accuracy and homogeneity of the exptl. material) for the execution of field expt. are discussed. The basic principles of the following different methods to determine plot size are described: max. curve method, method of Koch and Rigney, Hatheway's method, and the max. curve method using the multiple linear regression model. Some considerations are presented on the border effect and on plot size in bush and climbing bean trials.

  2. Library Resource
    Journal Articles & Books
    December, 1985
    Colombia, Central America, South America

    The objectives of the diagnosis of bean production are to (1) contribute criteria for the design and completion of on-farm trials of the new bean technology and (2) to take information to research centers that helps define bean research priorities. A summary is presented of the methodology suggested and practiced in national and international courses on on-farm research carried out by CIAT's bean program.

  3. Library Resource
    Reports & Research
    December, 1985

    Als basis voor de planvorming in het kader van projectvoorbereiding dient een groot aantal weg-, verkeers- en wegenbouwkundige kenmerken te worden gekwantificeerd. De Werkgroep Wegenbestand Landinrichting heeft een systeem voorgesteld, waarbij benodigde gegevens op efficiente wijze kunnen worden verzameld

  4. Library Resource
    Reports & Research
    December, 1985
    Netherlands

    Onderzoek naar het voorkomen van gemeentelijke land- en tuinbouwbedrijven, het beslag dat deze bedrijven op landbouwgrond leggen en de mate waarin de particuliere agrarische producent concurrentie wordt aangedaan

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