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Articles et Livres
décembre 1977
Kenya
Maroc
Nigéria
Philippines
Chine
République-Unie de Tanzanie
Inde
Australie
Canada
Tunisie
Venezuela
Malawi
Pakistan
Ghana

A major problem facing the areas already under cultivation, is the seriousness of soil degradation and loss of soil fertility due to indiscriminate misuse of agricultural lands, forests and grazing lands. The modern thinking assigns to soil conservation a comprehensive and more positive role than in the past.

Articles et Livres
décembre 1971
France
Suisse
États-Unis d'Amérique
Zambie
Mali
Égypte
Chine
Allemagne
Australie
Canada
Venezuela
Pakistan
Japon
Malaisie
Portugal
Inde
Soudan
Géorgie
Mexique
Europe
Asie
Afrique
Amérique septentrionale

This publication has been prepared as a background paper in view of the UN conference on the human environment that was held in Stockholm in 1972. This background document had contribution from UNESCO, IAEA and WHO. While the demand for land for land increases at a very rapid rate through population growth, technological progress and industrial development, soil resources remain fixed.

Articles et Livres
décembre 1968
États-Unis d'Amérique
Espagne
Zambie
Équateur
Bulgarie
Royaume-Uni
Canada
Congo
Soudan
Pakistan
Brésil

An international review of forestry and forest products

Articles et Livres
décembre 1959
Pakistan
Paraguay
Canada

Revue internationale des forts et des industries forestires

Articles et Livres
décembre 1953
Indonésie
Kenya
Canada
Afrique du Sud
Israël
Pakistan
Allemagne

An international journal of forestry and forest industries

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