Potential for forage legumes on land in West Africa: land productivity assessment of legumes for crop livestock systems
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Rome
FAO
1996
|
| Schriftenreihe: | World soil resources reports
82 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 108 S. graph. Darst., Kt. |
| ISBN: | 9251037906 |
Internformat
MARC
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| 245 | 1 | 0 | |a Potential for forage legumes on land in West Africa |b land productivity assessment of legumes for crop livestock systems |c Food and Agriculture Organization of the United Nations |
| 264 | 1 | |a Rome |b FAO |c 1996 | |
| 300 | |a X, 108 S. |b graph. Darst., Kt. | ||
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Datensatz im Suchindex
| _version_ | 1804128606354407424 |
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| adam_text | Titel: Potential for forage legumes on land in West Africa
Autor:
Jahr: 1996
Potential for forage legumes on land in West Africa
Contents
Page
Foreword iii
Acknowledgements iv
1 Introduction 1
1.1 Background 1
1.2 Population 3
1.3 Agriculture 6
1.4 Forage legume in land-use intensification 7
1.5 The joint ILRI, FAO, IIASA Study 10
1.6 AEZ methodology (AEZ) for primary land productivity assessment 11
2 Land RESOURCES 15
2.1 Introduction 15
2.2 Climatic resources 15
2.3 Soil and terrain resources 19
2.4 Ecosystems 23
2.5 Protected areas 23
2.6 Human settlement areas 27
2.7 Land resources inventory 27
I Land SUITABILITY 29
3.1 Introduction 29
3.2 Land utilization types 31
3.3 Climatic adaptability 31
3.4 Edaphic adaptability 32
3.5 Agro-climatic suitability 35
3.5.1 Thermal zone suitability 35
3.5.2 Potential net biomass and yield 36
3.5.3 Agro-climatic constraints 41
3.5.4 Agronomically attainable consumable biomass yield 43
3.5.5 Agroclimatic suitability 43
3.6 Agro-edaphic Suitability 50
3.6.1 Soil unit evaluation 50
3.6.2 Texture modifications 51
3.6.3 Phase modifications 51
3.6.4 Slope modifications 51
3.7 Land suitability 52
3.8 Soil and terrain constraints 52
4 Land productivity
4.1 Introduction
4.2 Multiple cropping with forage legumes
4.3 Fallow land requirements
4.3.1 Natural bush/grass fallow land requirements
4.3.2 Forage legume fallow
4.4 Soil Erosion - productivity loss
4.4.1 Effect of forage legumes on soil erosion
4.5 Primary land productivity
4.5.1 Example of calculation procedures
4.5.2 Results of primary land productivity assessment
References
Appendix I Suitability
Appendix II Primary productivity
63
63
65
65
66
66
68
72
72
72
74
83
85
105
Potential for forage legumes on land in West Africa vii
List of figures
Page
l.l AEZ primary productivity assessment 13
2.1 Schematic presentation of types of growing periods 18
2.2 Climatic resources inventory: length of growing period zones 20
2.3 Generalized soil resources inventory 22
2.4 Generalized ecosystems inventory 24
2.5 Protected areas inventory 26
3.1 Attainable yield - forage legumes (intermediate inputs) 48
3.2 Attainable yield - cereals (intermediate inputs) 48
3.3 Attainable yield - food legumes (intermediate inputs) 49
3.4 Attainable yield - roots and tubers (intermediate inputs) 49
3.5 Attainable yield - perennials (intermediate inputs) 50
3.6 Schematic representation of land suitability assessment 53
3.7 Land suitability for verano stylo at intermediate level of inputs and technology 54
3.8 Land suitability for chameacrista at intermediate level of inputs and technology 54
3.9 Land suitability for centrosema at intermediate level of inputs and technology 55
3.10 Land suitability for siratro at intermediate level of inputs and technology 55
3.11 Land suitability for lablab at intermediate level of inputs and technology 56
3.12 Land suitability for forage vigna at intermediate level of inputs and technology 56
3.13 Land suitability for forage legumes (6) at intermediate level of inputs and
technology 57
3.14 Land suitability for sown pastures at intermediate level of inputs and technology 57
3.15 Terrain constraints 59
3.16 Soil depth constraints 60
3.17 Natural soil fertility constraints 60
3.18 Soil drainage constraints 61
3.19 Soil texture and stoniness constraints 61
3.20 Soil salinity, sodicity and gypsum constraints 62
3.21 Soil constraints 62
List of tables
Page
1.1 List of crops, forage legumes and pastures included in the assessment 2
1.2 Population in 17 West African Countries 4
1.3 Agriculture and economy of 17 West African Countries 6
1.4 Daily calorie consumption (Kcal/cap/day) in 17 West African Countries 8
2.1 Characteristics of thermal zones 17
2.2 Extents (1000 ha) of thermal and moisture zones 21
2.3 Extents of ecosystems (1000 ha) in 17 West African Countries 25
2.4 Extents of protected areas and human settlements areas (1000 ha)
in 17 West African Countries 25
2.5 Components of AEZ cell 28
3.1 Attributes of land utilization types considered for forage legumes and
sown pasture 30
3.2 Climatic adaptability attributes of forage legumes and sown pastures 32
3.3 Edaphic adaptability inventory 34
3.4 Thermal zones and their suitability ratings for verano stylo, chameacrista,
centrosema, siratro, lablab, forage vigna and sown pasture 36
3.5 Maximum rate of photosynthesis (Pm in kg ha 1 hr1) 36
3.6 The photosynthetically active radiation on very clear days (Ac) in cal cm 2
day 1 and the daily gross photosynthesis rate of crop canopies on very
clear (be) and overcast (bo) days in kg ha 1 day 1 for Pm - 20 kg CH2O
kg ha 1 hr 1 (from De Wit) 37
3.7 Growth cycle, leaf area index and harvest index by LGP zones 39
3.8 Constraint-free consumable biomass yield (t/ha) 40
3.9 Agro-climate constraints for verano stylo - potential yield loss (%) 42
3.10 Agro-climate constraints for chameacrista - potential yield loss (%) 42
3.11 Agro-climate constraints for centrosema - potential yield loss (%) 44
3.12 Agro-climate constraints for siratro - potential yield loss (%) 44
3.13 Agro-climate constraints for lablab - potential yield loss (%) 45
3.14 Agro-climate constraints for forage vigna - potential yield loss (%) 45
3.15 Agro-climate constraints for sown pasture - potential yield loss (%) 46
3.16 Annual climatically attainable consumable biomass yield (t/ha) 47
3.17 Slope modification ratings for forage legumes and pastures 52
3.18 Soil and terrain constraints by moisture zones ( 000 ha) 58
4.1 Suggested land equivalent ratios (LER) at different levels of inputs by
length of growing period (LGP) and crop yield relative to maximum attainable
yield for crop mixtures (Kassam 1980) 64
4.2 Suggested land equivalent ratios (LER) at different levels of inputs by length of
growing period (LGP) and crop yield relative to maximum attainable yield
for crop-forage legume mixtures 64
4.3 Nitrogen accruals for forage legumes 67
4.4 Reference fallow requirements as function of soil fertility 68
4.5 Slope-cultivation association screen 70
4.6 Ranking of soil units (SMW) according to their susceptibility to productivity
loss per unit of topsoil 70
4.7 Relationships between topsoil loss and yield loss 70
4.8 Cover factor (C*) for annual crops and pasture/forage legumes 71
4.9 Primary land productivity at intermediate level of inputs and technology:
assumption Set 1 - with soil conservation measures and without forage legumes
in cropping systems (0% adoption) 76
4.10 Primary land productivity at intermediate level of inputs and technology:
assumption Set 2 - without soil conservation measures and without forage
legumes in cropping systems (0% adoption) 77
4.11 Primary land productivity at intermediate level of inputs and technology:
assumption Set 3 - with soil conservation measures and with forage legumes
in cropping systems (20% adoption) 78
4.12 Primary land productivity at intermediate level of inputs and technology:
Potential for forage legumes on land in West Africa ix
assumption Set 4 - without soil conservation measures and without forage
legumes in cropping systems (20% adoption) 79
4.13 Primary land productivity at intermediate level of inputs and technology:
assumption Set 5 - with soil conservation measures and without forage legumes
in cropping systems (100% adoption) 80
4.14 Primary land productivity at intermediate level of inputs and technology:
assumption Set 6 - with soil conservation measures and without forage
legumes in cropping systems (100% adoption) 81
4.15 Total potential arable land (1000 ha) 82
4.16 Net potential arable land (1000 ha) 82
Appendix I
1.1 Average agro-climatic crop suitability (single crop yields in t/ha) 86
2.1 Soil suitability ratings for verano stylo 89
2.2 Soil suitability ratings for chameacrista 90
2.3 Soil suitability ratings for centrosema 91
2.4 Soil suitability ratings for lablab 92
2.5 Soil suitability ratings for siratro 93
2.6 Soil suitability ratings for forage vigna 94
2.7 Soil suitability ratings for sown pasture 95
3.1 Soil phase suitability ratings 96
4.1 Extents (1000 ha) of land variously suited to rainfed production of
verano stylo under high, intermediate and low level of inputs 97
4.2 extents (1000 ha) of land variously suited to rainfed production of
chameacrista under high, intermediate and low level of inputs 98
4.3 Extents (1000 ha) of land variously suited to rainfed production of
centrosema under high, intermediate and low level of inputs 99
4.4 Extents (1000 ha) of land variously suited to rainfed production of
lablab under high, intermediate and low level of inputs 100
4.5 Extents (1000 ha) of land variously suited to rainfed production of
siratro under high, intermediate and low level of inputs 101
4.6 Extents (1000 ha) of land variously suited to rainfed production of
forage vigna under high, intermediate and low level of inputs 102
4.7 Extents (1000 ha) of land variously suited to rainfed production of
sown pasture under high, intermediate and low level of inputs 103
5.1 Soil and terrain constraint ratings 104
Appendix II
1.1 Average agro-climatic crop productivity 106
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| id | DE-604.BV013783924 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T18:51:55Z |
| institution | BVB |
| isbn | 9251037906 |
| language | English |
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| series | World soil resources reports |
| series2 | World soil resources reports |
| spelling | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems Food and Agriculture Organization of the United Nations Rome FAO 1996 X, 108 S. graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier World soil resources reports 82 Futterleguminosen (DE-588)4234081-0 gnd rswk-swf Hülsenfrüchtleranbau (DE-588)4246084-0 gnd rswk-swf Westafrika (DE-588)4079203-1 gnd rswk-swf Westafrika (DE-588)4079203-1 g Futterleguminosen (DE-588)4234081-0 s Hülsenfrüchtleranbau (DE-588)4246084-0 s DE-604 World soil resources reports 82 (DE-604)BV005627561 82 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009423173&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems World soil resources reports Futterleguminosen (DE-588)4234081-0 gnd Hülsenfrüchtleranbau (DE-588)4246084-0 gnd |
| subject_GND | (DE-588)4234081-0 (DE-588)4246084-0 (DE-588)4079203-1 |
| title | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems |
| title_auth | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems |
| title_exact_search | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems |
| title_full | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems Food and Agriculture Organization of the United Nations |
| title_fullStr | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems Food and Agriculture Organization of the United Nations |
| title_full_unstemmed | Potential for forage legumes on land in West Africa land productivity assessment of legumes for crop livestock systems Food and Agriculture Organization of the United Nations |
| title_short | Potential for forage legumes on land in West Africa |
| title_sort | potential for forage legumes on land in west africa land productivity assessment of legumes for crop livestock systems |
| title_sub | land productivity assessment of legumes for crop livestock systems |
| topic | Futterleguminosen (DE-588)4234081-0 gnd Hülsenfrüchtleranbau (DE-588)4246084-0 gnd |
| topic_facet | Futterleguminosen Hülsenfrüchtleranbau Westafrika |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009423173&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV005627561 |