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Farming systems in the evergreen forest of southern Cameroon: shifting cultivation and soil degradation
FARMING SYSTEMS IN THE EVERGREEN FOREST OF SOUTHERN CAMEROON: SHIFTING CULTIVATION AND SOIL DEGRADATION L. Nounamo and M. Yemefack Tropenbos-Cameroon Documents 8 The Tropenbos-Cameroon Programme, Kribi (Cameroon) 2001
Page 4 and 5: ABSTRACT Nounamo, L. and Yemefack,
Page 6 and 7: 4.3.4 Relationship between commerci
Page 8 and 9: PREFACE This report presents the fi
Page 10 and 11: stability and structure, and the de
Page 12 and 13: (calcium), le pourcentage de satura
Page 14 and 15: Figure 1.1. Location map of the TCP
Page 16 and 17: 600 28 500 27 Rainfall (mm) 400 300
Page 18 and 19: low pH (3.8 to 5) and a high clay c
Page 20 and 21: Characteristics of the four sub-sit
Page 22 and 23: 2.2.7 Household labour study The st
Page 24 and 25: Roads may temporarily be closed, du
Page 26 and 27: swamps and valley bottoms are also
Page 28 and 29: Table 2.6. cont’d Species Ewondo
Page 30 and 31: dispose of land near the village, o
Page 32 and 33: The heat may, however, reduce the g
Page 34 and 35: is an activity practised by nearly
Page 36 and 37: The crop production activity takes
Page 38 and 39: Table 2.17. Priority socio-economic
Page 40 and 41: 3 ASPECTS OF SOIL DEGRADATION UNDER
Page 42 and 43: 3.2.3 Laboratory soil analyses Soil
Page 44 and 45: The magnitudes of changes are inver
Page 46 and 47: as it is practised in shifting cult
Page 48 and 49: 15 years. The vegetation evolves th
Page 50 and 51: Organic matter. Organic carbon incr
Page 52 and 53:
Microbial Biomass Carbon C (ugC/g s
Page 54 and 55:
processes on soil chemical properti
Page 56 and 57:
soil, result in loss of soil aggreg
Page 58 and 59:
4 TRENDS IN FIELD EXPANSION AND SOI
Page 60 and 61:
Greenland, 1960; Sanchez, 1976; Vol
Page 62 and 63:
5 SOLUTIONS TO FARMERS’ PROBLEMS
Page 64 and 65:
Integrated Nutrient Management meth
Page 66 and 67:
REFERENCES Almy, S.W., Besong, M.T.
Page 68 and 69:
Prat, C. (1990). Relation entre ér
Page 70 and 71:
ANNEX 2: CHECKLIST FOR THE EXPLORAT
Page 72 and 73:
ANNEX 4: AGRICULTURAL LAND EXPANSIO
Page 74:
ANNEX 6: AGRICULTURAL LAND EXPANSIO
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