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Showing items 1 through 9 of 85.
  1. Library Resource
    Reports & Research
    April, 2019
    Brazil

    É importante destacar incialmente que não é possível compreender o processo de resistência em Casa Nova sem compreender a rede de resistência que se formou na Zona da Mata Mineira contra um conjunto de empreendimentos que ameaçava as comunidades ribeirinhas na época.

  2. 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.

  3. Library Resource
    Journal Articles & Books
    December, 1980
    Venezuela, Brazil, Central America, South America

    Different nutritional deficiencies or toxicities may limit bean development and yield. N and P deficiencies are the most frequent, although deficiency of minor elements and Al/Mn toxicity can reduce yields considerably. Nutritional problems are usually diagnosed by soil and plant tissue analyses and the observation of symptoms produced by nutritional disorders. Optimum pH for bean production varies between 6.5-7.5; within these limits, the majority of the plant nutrients have their max availability. Color illustrations are given of the symptoms of plant deficiencies and toxicities.

  4. Library Resource
    Journal Articles & Books
    June, 2018
    Nicaragua, Argentina, Bolivia, Brazil, Chile, Colombia, Uruguay, Canada, Indonesia, India, Italy, Montenegro, Portugal, Netherlands

    El manual proporciona información sobre los procedimientos que siguen las brigadas de campo para realizar el establecimiento de los conglomerados y parcelas permanentes del Inventario Forestal Nacional (IFN). Asimismo, suministra información acerca de la planificación y ejecución de cada una de las fases que contempla el operativo, describe los métodos, técnicas e instrumentos que se emplean en la toma de los datos, y detalla el proceso de diligenciamiento de los formatos creados por IDEAM para registrar los datos e información de campo.

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