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Showing items 1 through 9 of 103.
  1. Library Resource
    Journal Articles & Books
    December, 1980
    Colombia, Central America, South America

    En ensayos de campo efectuados en 1977-79 en CIAT-Quilichao, se establecieron al finalizar 1977, a) 5 especies de gramineas altas y espesas, b) 6 especies de gramineas estolonifgeras semi-erectas, c) 6 especies de gramineas de escasa doiseminacion, d) 6 especies de leguminosas rastreras, e) 6 especies de leguminosas arbustivas y f) 6 especies de leguminosas forrajeras; se aplico 0 o 100 kg de N + 44 kg de P2O5 + 100Kg de cal o 200 kg de N + 88 kg de P2O5 +41 kg de K2O + 2t de cal/ha.

  2. Library Resource
    Journal Articles & Books
    December, 1980
    Middle Africa, Western Africa, Africa

    Information on trypanotolerant livestock in Senegal, the Gamia, Guinea Bissau, Guinea, Sierra Leone, Liberia, Mali, Upper Volta, Ivory Coast, Ghana, Togo, Benin, Nigeria, Cameroon, Central African Republic, Gabon, Congo and Zaire, particularly livestock numbers & distribution, information available on trypanotolerant cattle, sheep & goats, research and development activities, w. a selected bibliography.

  3. Library Resource
    Journal Articles & Books
    December, 1980
    Peru, Colombia, Argentina, Mexico, Brazil, Central America, Northern America, South America

    White mold, caused by the fungus Sclerotinia (Whetzelinia) sclerotiorum, is distributed worldwide and has more than 300 hosts. It infects flowers, cotyledons, seeds, leaves or injured plant tissue. The disease can be controlled by crop rotation, flooding, reduced seeding rates, application of chemical products in the middle of the flowering period, modifying plant architecture and the use of resistant var. Many soil microorganisms are associated with sclerotia and may cause them to degrade or fan to germinate. The symptoms and damage caused by the disease are illustrated in color.

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