Among the main objectives of the Nigerian Land Use Decree of 1978 were:

Este nmero especial de Unasylva tiene dos objetivos principales. Pone a disposicin de nuestros lectores una seleccin de algunos de los trabajos presentados en el importante Cuarto perodo de sesiones del Comit de Desarrollo Forestal en los Trpicos, de la FAO y, de esta manera, pone de relieve la principal preocupacin de la Organizacin en materia forestal: cul es la mejor manera y la ms adecuada para el hombre de utilizar la formacin ecolgica menos conocida, es decir, los bosques tropicales hmedos.

This special issue of Unasylva has two main objectives. It brings to our readers an edited selection of some of the position papers of the important 4th Session of the FAO Committee on Forestry Development in the Tropics and, in doing, this, it emphasizes FAO's principal concern in the field of forestry: how to make the best and wisest use of man's least understood ecological formation, the moist tropical forest.

The importance of the agriculture sector in Africa, considered "both at production and employment levels is generally fully appreciated; in most African countries, especially in the South of Sahara, the share of agriculture in the GDP accounts for almost 40 per cent, and it is to be pointed out that 80 per cent of the population is living on this activity.

Cette station qui depend du Ministere du développement et du tourisme

est dirigée par l'ingenieur assiste d'un technlcien.

This paper focuses on the list of agricultural research stations in fourteen countries of the East and central African sub-regions.

A la cinquième réunion Conférence régionale de la FAO pour l'Afrique, tenue à Kampala, Ouganda, en novembre 1968, la FAO a présenté un document intitulé "Institutions rurales: développement intégré en vue d'assurer à l'agriculture l'appui des services officiels." Ce document a suscité un intérêt considérable et donné lieu à de nombreux échanges de vue entre les délégués.

Ce rapport parle à propos des propositions relatives à la planification agricole interrégional en Afrique.

This document deals about the Proposals for inter-regional agricultural planning in Africa.

Planificateur et ministres ont la délicate d'établir un ordre de priorités en comparant l’importance respective des objectifs et établissent entre eux un équilibre.

Another basic feature of agricultural planning is the Organization of an agricultural statistical service with the help of the local authorities. Thus it is necessary to organize not only the collection of statistical data regarding crops, but also to make periodical inventories of the types of soil available, the crops for which they can be used, of water and meteorological data, of data on products, income, employment, coefficients of capital, labour productivity, price indices, income and price elasticities of demand, costs, internal and external markets.

This paper focuses on the the main purpose of the seminar that was; To determine what is known of the economics of modern technical inputs in African agriculture in terms of the physical and value responses to expenditures on them; To identify those areas in which information vital to policy is lacking; To propose a specific programme for obtaining required data through the co-operation of research institutions.