 | 72 páginas
AGRICULTURA MIGRATORIA REFERENCIAS Aspectos Generales AHN , P. M. 1973 , Some observations on basic and applied research in shifting cultivation , FAO / SIDA . Regional Seminar on shifting culti - vation and soil conservation and soil ... | |
 | Pedro A. Sánchez, Edilberto Camacho - 1981 - 650 páginas
Shifting cultivation and soil conservation in Africa . FAO Soils Bull . 24. 1974. pp . 1-4 . HEATHCOTE , R. G. Soil fertility under continuous cultivation in northern Nigeria . I. The role of organic manures . Exptal . Agric . | |
 | Richard R. Harwood - 1986 - 196 páginas
Bringing the green revolution to the shifting cultivator . ... Evolution and development of different types of shifting cultivation . Regional seminar on shifting agriculture and soil conservation in Africa . Soils bull . | |
 | 522 páginas
390 P. Chijioke , E.0 . 1980 . Humid Tropics . Impact on Soils of Fast - growing Species in Lowland FAO Forestry Paper 21 , FAO , Rome . 111 p . FAO - SIDA . 1974. Shifting Cultivation and Soil Conservation in Africa . FAO Soils Bull . | |
 | 492 páginas
Present Land Use Fresently small farmers were cultivating on slopes of over 30 ° with no soil conservation practices . The shifting cultivation pattern was employed , and there were many idle parcels . Road Density Jamaica had the ... | |
 | 44 páginas
Extreme erosion occurs , although best management and soil conservation practices are well studied . ... soil deterioration and soil loss . General strategies mentioned include agroforestry ( mixed use ) and shifting cultivation . | |
 | 16 páginas
Report on regional seminar on shifting cultivation and soil conservation in Africa , FAO , Rome . Garro , A. ( 1982 ) . Desarrollo de un sistema de información geográfica del Isımo Centroamericano , Instituto Interamericano de ... | |
 | 228 páginas
Some remarks on Brazilian Latosols in relation to the Oxisols of Soil Taxonomy . Proc . 2nd Int . Soil Classification Workshop ... Some profiles of ferrallitic soils under shifting cultivation in Surinam ... Soil Conservation Service . | |
 | J. F. Wienk, H. A. de Wit - 228 páginas
Some remarks on Brazilian Latosols in relation to the Oxisols of Soil Taxonomy . Proc . 2nd Int . Soil Classification ... ferrallitic soils under shifting cultivation in Surinam . CELOS Rapporten 119. ... Soil Conservation Service . | |
 | 120 páginas
CROP PRODUCTION ON HILLSIDES USING NON - BENCH TERRACING ALTERNATIVE MEASURES FOR SOIL CONSERVATION First year's results ... The pattern of cultivation of the country's hilly watersheds is one of shifting cultivation , on a widespread ... | |
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