Resultados de la búsqueda | Land Portal

Resultados de la búsqueda

Mostrando ítems 1 a 9 de 2.
  1. Library Resource
    Document aggregated from Resource Equity Landwise Database
    Enero, 1978
    España
  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 1977
    Francia, Nigeria, España, Zambia, Iraq, Australia, Côte d'Ivoire, Kenya, Jordania, Marruecos, Siria, Libia, Somalia, Madagascar, Tanzania, Botswana, Argentina, India, Sudán, Líbano

    There is a urgent need for a better understanding of the risks of soil degradation and their geographical distribution as well as a better knowledge of where degradation occurs at present. it would be desirable to combine soil conservation activities with other elements for increasing crop production.Erosion, salinity and alkalinity and the loss of soil fertility seriously reduce the natural potential of soils to produce food fibres. During the meeting, many criteria to assess the various types of soil degradation were outlined by the experts.

Búsqueda en la Biblioteca de Tierras

A través de nuestro sólido motor de búsqueda, puede explorar cualquier elemento de los más de 64.800 recursos rigurosamente seleccionados en la Biblioteca de la Tierra. Si desea obtener una visión general de lo que es posible, siéntase libre de examinar la  Guía de búsqueda

Comparta esta página