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1. Ecofarming practices for tropical small holdings /   Publication: Weikersheim : Verlag Josef Margraf , 1990 . 185 p. : Date:1990 Availability: Copies available: Turkeyen Campus Science & Technology [S589.7 E26] (1), Actions: Add to cart
2. Runoff irrigation in the Sahel zone :   Publication: Ede, Netherlands : Verlag Josef Margraf , 1992 . 12 pages of plates, 192 p. : , Translated from the German. Date:1992 Availability: Copies available: Turkeyen Campus Science & Technology [S619 R85 T38] (1), Actions: Add to cart