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Showing items 1 through 9 of 21.
  1. Library Resource
    Journal Articles & Books
    December, 1991
    Nigeria, Africa, Western Africa

    In agriculture, surveying is required to prepare topographical maps that indicate variations in the level of the land's surface. Topographical maps are necessary as a base for the preparation of research station maps which include layout of field, buildings, roads, and soil conservation measures.

  2. Library Resource
    Journal Articles & Books
    December, 2000
    Nigeria, Africa, Western Africa

    The importance of cassava relative to other crops in the cropping system was almost total; cassava was present in 70% of arable fields; maize and beans or peas were each present in 13% of arable fields and all other crops were present in 4%. Cassava was produced mostly for sale, yet it was not as important around market centers as in remote areas because imported rice and wheat products were easily accessible.

  3. Library Resource
    Journal Articles & Books
    December, 1995
    Nigeria, Africa, Western Africa

    Research scientists must have access to field records to ensure that their experimental treatments are neither masked nor affected by previous land usage. Research fields must be identified on the ground and accurate records kept of all operations and treatments carried out. Several procedures have been developed at IITA which help to ensure accurate field records are maintained and so research accuracy is improved.

  4. Library Resource
    National Policies
    June, 2006
    Nigeria

    The overall objective of the present national cross-sectoral Forest Policy is to achieve sustainable forest management that would ensure sustainable increases in the economic, social and environmental benefits from forests and trees for the present and future generation including the poor and the vulnerable groups.

  5. Library Resource
    Journal Articles & Books
    July, 2015
    Senegal, Mauritania, Mali, Burkina Faso, Algeria, Niger, Nigeria, Chad, Sudan, South Sudan, Eritrea, Cameroon, Central African Republic, Ethiopia, Africa, Western Africa

    Drought is one of the major climatic hazards impacting on the various sectors including crop and livestock in the West African Sahel. Pastoral and agro-pastoral communities in the region are regularly affected by drought, with vulnerability differing with gender, age, wealth status (access to cropland and livestock endowment), geographic location, social networks, and previous exposure to drought. Effective interventions require regular monitoring of vulnerability to drought, for which various quantitative and qualitative approaches exist.

  6. Library Resource
    Journal Articles & Books
    December, 1986
    Nigeria, Africa, Western Africa

    Summarises the literature on the alleged defects of traditional systems of land tenure in Nigeria. Reviews the provisions of the land use decree and their implications for rural land tenure.

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