 | Pedro A. Sánchez, Edilberto Camacho - 1981 - 650 páginas
URRUTIA , V. M. Corn production and soil fertility changes under shifting cultivation in Uaxatún , Guatemala . M.S. Thesis , University of Florida ... Developments in the study of soils and shifting agriculture in tropical Africa . | |
 | 566 páginas
Abs . 22 : 2421 ( 63 Shifting cultivation as practiced by the Baining tribes of New Britain ( Territory of Papua and New Guinea ) ... ( 68 MIRACLE , M. P. Agriculture in the Conge Basin ; tradition and change in African rural economies . | |
 | 80 páginas
Technical innovations are able to change the situation . 11. Genesis of the Farming System Farming in Eastern Nigeria has gone through similar changes to farming in other regions of the humid tropical lowlands of Africa ( 1 ) Shifting ... | |
 | Iica - 160 páginas
Abs . 22 : 2421 Shifting cultivation as practiced by the Baining tribes of New Britain ( Territory of Papua and New Guinea ) . ... ( 68 MIRACLE , M. P. Agriculture in the Congo Basin ; tradition and change in African rural economies . | |
 | 168 páginas
Abs . 22 : 2421 Shifting cultivation as practiced by the Baining tribes of New Britain ( Territory of Papua and New Guinea ) . ... ( 68 MIRACLE , M. P. Agriculture in the Conge Basin ; tradition and change in African rural economies . | |
 | 1975 - 116 páginas
( 1319 KIO , P. R. Shifting cultivation and multiple use of forest land in Nigeria . ... ( 1321 NYE , P. H. y GREENLAND , D. J. Changes in the soil after clearing tropical forest . ... Farming in South Africa 41 ( 5 ) : 5 , 7. 1965 . | |
 | 326 páginas
Although many relationships between ecological change and disease are well documented , such knowledge rarely finds ... Grazing rights , harvest of forest products , and shifting cultivation are episodic within a season , or even over ... | |
 | 250 páginas
Although many relationships between ecological change and disease are well documented , such knowledge rarely finds ... Grazing rights , harvest of forest products , and shifting cultivation are episodic within a season , or even over ... | |
 | 16 páginas
Socioeconomic and ecological change in Southern Honduras , Proctieng Anthropology . 8 ( 3 ) , 12-13 . ... Report on regional seminar on shifting cultivation and soil conservation in Africa , FAO , Rome . Garro , A. ( 1982 ) . | |
 | 2001 - 208 páginas
Nutrient effects of mo- dification of shifting cultivation in West Africa . In : J. Proctor ( ed . ) . Mineral nutrients in tropical ... Environmental Change and Human Health World Resources Institute . Oxford University Press . 384 p . | |
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