 | Jochen Heuveldop - 1983 - 108 páginas
GRAINGER , A. UK looks at agroforestry to cut dependence on imports . ... Ein Beitrag zur Entwicklung der Landnutzung in der Sahel - zone . Entwickl . ... Tree and shrub species for agroforestry systems in the Sahelian zone of Africa . | |
 | 1984 - 116 páginas
Tree and shrub species for agroforestry systems in the Sahelian zone of Africa . Plant Res . and Develop ( Alemania Rep . Fed . ) No. 7 : 44-59 . · Agroforestry to combat desertification ( a case study of the Sahel ) . | |
 | 102 páginas
Tree and shrub species for agroforestry systems in the Sahelian Zone of Africa . Plant Research and Development 7 : 44-59 . 1978. 16 refs . ( 11659 ) MAYDELL , H. J. VON . Agroforstwirtschaft : ein Weg zur integrierten Landnutzung in ... | |
 | 86 páginas
Tree and shrub species for agroforestry systems in the Sahelian Zone of Africa . Plant Research and Development 7 : 44-59 . 1978. 16 refs . ( 11659 ) MAYDELL , H. J. VON . ein Weg zur integrierten Landnutzung in den Tropen und Subtropen ... | |
 | Peter J. Wood, Jeffery Burley - 1996 - 188 páginas
International trial of Central American dry zone hardwood species . ... Tree seed supply a critical factor for the success of agroforestry projects . In Multipurpose tree ... Tree planting practices in African savannas . Rome . | |
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