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Showing items 1 through 9 of 18.
  1. Library Resource
    Journal Articles & Books
    December, 1991
    Nigeria, Africa, Western Africa

    In agriculture, surveying is required to prepare topographical maps that indicate variations in the level of the land's surface. Topographical maps are necessary as a base for the preparation of research station maps which include layout of field, buildings, roads, and soil conservation measures.

  2. Library Resource
    Journal Articles & Books
    December, 1991
    Thailand, Asia, South-Eastern Asia

    The success of Thailand`s cassava var. Rayong 3 is highlighted, particularly between cassava starch producers. Compared with Rayong 1, its fresh root yield is almost the same, starch production is higher, and drying time is shorter (2 vs. 3 days). Farmers planting Rayong 3 increased their revenues by at least 10-15 percent. Comparative data are provided for both var. regarding different agronomic characteristics.

  3. Library Resource
    Journal Articles & Books
    December, 1991
    Kenya, Africa, Eastern Africa

    The first chapter gives a brief description of a pastoral production system, as envisaged by the study team and outlines the multi-disciplinary approach of the study, its sampling design and the data collected. Chapters 2 & 3 describe Kenya's biophysical and socio-economic environments, within which the Maasai livestock production system operates. The biophysical environment of the study site is described in detail in Chapter 4. Chapter 5 describes the social organization of the Maasai and how it affects their use of livestock and grazing resources.

  4. Library Resource
    Journal Articles & Books
    December, 1991
    Colombia, South America

    Research carried out to evaluate management options and animal production potential of native and improved pastures in savanna regions of tropical America is reviewed, with emphasis on Colombia's Eastern Plains. In areas with limited infrastructure native grasses are the main forage resource and weight gains of cattle grazing these native pastures with burning and mineral supplementation vary from 70 to 90 kg/hd and from 15 to 20 kg/ha.

  5. Library Resource
    Journal Articles & Books
    December, 1991
    Ethiopia, Africa, Eastern Africa

    This study is part of a larger study on dairy marketing in Ethiopia, and concentrates on the producers'end of the marketing chain. Specifically, the markets of first sale used by dairy producers were identified and the marketing patterns of three categories of dairy producers (intra-urban, peri-urban and peasant) were investigated. The study was carried out on a sample of 173 dairy producers between February and July 1986, using structured questionnaires.

  6. Library Resource
    Journal Articles & Books
    December, 1991

    A study was conducted in the Shoa plateau of the north-western Ethiopian highlands to investigate the patterns of dry matter production, the effect of season of establishment, and the best time of harvest for 8 native African and 3 exotic clovers. The native clovers gave higher dry matter yields than the exotic clovers.

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