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Showing items 1 through 9 of 42.
  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
    June, 1985

    This Law is enacted with a view to protecting, developing and making rational use of grasslands, improving the ecological environment, maintaining the diversity of living things, modernizing animal husbandry and promoting the sustainable development of the economy and society.The grasslands are owned by the State, with the exception of the grasslands owned by collectives as provided for by law. The State-owned grasslands may be assigned for use to the units under the ownership by the whole people and to collective economic organizations.

  4. Library Resource
    Journal Articles & Books
    December, 1985
    Africa, Eastern Africa

    Examines the productivity of East African pastoral systems in terms of animal protein & energy production, milk offtake and livestock production parameters such as calving percentage, calf mortality and herd structure; compares the productivity of East African pastoral systems to those of commercial ranches and to pastoral systems in other parts of the world.

  5. Library Resource
    Reports & Research
    December, 1985

    Looks at the allocation of resources to livestock research in Africa. Assesses the role of agricultural research and its value to national governments. Investigates the appropriate criteria to use for decision making by comparing three kinds of decision-making models. Presents conclusions for policy-making.

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