MacDonald, Lee H.
Agro-forestry in the African humid tropics : proceedings of a workshop held in Ibadan, Nigeria, 27 April-1 May 1981 アフリカ湿潤熱帯におけるアグロフォ－レストリィ - Tokyo 1982 United Nations University
9280803646
SHIFTING CULTIVATION
RURAL DEVELOPMENT
CROP ROTATION
REFORESTATION
AFRICA
LAND USE
AGROFORESTRY
Agro-forestry in the African humid tropics : proceedings of a workshop held in Ibadan, Nigeria, 27 April-1 May 1981 アフリカ湿潤熱帯におけるアグロフォ－レストリィ - Tokyo 1982 United Nations University
9280803646
SHIFTING CULTIVATION
RURAL DEVELOPMENT
CROP ROTATION
REFORESTATION
AFRICA
LAND USE
AGROFORESTRY