Citation
Garrity D., . (1998) ICRAF research on Acacias. [Proceedings Paper]
Abstract
Research focuses on 3 key ecosystems and 3 key hypotheses. The ecosystems are forest margins and permanent agriculture in 3 sites Indonesia Cameroon and Brazil. The key question is what will slash and burn farmers plant as rapidly and as profitably as possible. Urgent needs for agroforestry research are: - more quantitative understanding - how to expand scale - agronomic/silvicultural technologies to improve productivity. Forest margins. The hypothesis is that complex systems provide a superior alternative to small scale farms. Complex agroforests increase production sustainably including biodiversity increase production risks and increase returns on labour. Examples of complex agroforestry are rubber in Indonesia and dipterocarps in agroforestry fruit systems. Grassland systems. The main question what use to make of grasslands. The hypothesis is that rehabilitation of grasslands through small-scale agroforestry will be superior to large-scale plantations. e.g. in Kalimantan Acacia mangium plantations have a fire risk so 1-2 year old plantations have a risk of being burnt. Use of intercropping reduces fire risk greatly. Nearly all establishment costs are charged to farm crops and there are no weed control costs. The farmers give intensive management to the tree crops. Acacias can be used as fallow species especially A. mangium. The problem is persuading farmers to accept the system and its profitability. Hilly farmlands. Contour hedgerow systems are widely practiced and researched especially in Africa. A large amount of labour is needed to prune the hedgerows 25-35 man-days/ha to prune for green manure. ICRAF research. ICRAF work on acacias involves: - species testing of Australian acacias in Africa - improvement of A. albida A. faidherbia for semi-arid parklands - evaluation of American acacia in Malawi - acacias in pruned contour hedgerows.
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Abstract
Research focuses on 3 key ecosystems and 3 key hypotheses. The ecosystems are forest margins and permanent agriculture in 3 sites Indonesia Cameroon and Brazil. The key question is what will slash and burn farmers plant as rapidly and as profitably as possible. Urgent needs for agroforestry research are: - more quantitative understanding - how to expand scale - agronomic/silvicultural technologies to improve productivity. Forest margins. The hypothesis is that complex systems provide a superior alternative to small scale farms. Complex agroforests increase production sustainably including biodiversity increase production risks and increase returns on labour. Examples of complex agroforestry are rubber in Indonesia and dipterocarps in agroforestry fruit systems. Grassland systems. The main question what use to make of grasslands. The hypothesis is that rehabilitation of grasslands through small-scale agroforestry will be superior to large-scale plantations. e.g. in Kalimantan Acacia mangium plantations have a fire risk so 1-2 year old plantations have a risk of being burnt. Use of intercropping reduces fire risk greatly. Nearly all establishment costs are charged to farm crops and there are no weed control costs. The farmers give intensive management to the tree crops. Acacias can be used as fallow species especially A. mangium. The problem is persuading farmers to accept the system and its profitability. Hilly farmlands. Contour hedgerow systems are widely practiced and researched especially in Africa. A large amount of labour is needed to prune the hedgerows 25-35 man-days/ha to prune for green manure. ICRAF research. ICRAF work on acacias involves: - species testing of Australian acacias in Africa - improvement of A. albida A. faidherbia for semi-arid parklands - evaluation of American acacia in Malawi - acacias in pruned contour hedgerows.
Additional Metadata
| Item Type: | Proceedings Paper |
|---|---|
| Additional Information: | Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. mal SD397 A2M495 1994 Call Number |
| AGROVOC Term: | RESEARCH INSTITUTIONS |
| AGROVOC Term: | RESEARCH PROJECTS |
| AGROVOC Term: | RESEARCH |
| AGROVOC Term: | ACACIA |
| AGROVOC Term: | FOREST PLANTATIONS |
| AGROVOC Term: | FOREST RESERVES |
| AGROVOC Term: | FOREST RESOURCES |
| AGROVOC Term: | NATURE CONSERVATION |
| AGROVOC Term: | ENVIRONMENTAL PROTECTION |
| Geographical Term: | MALAYSIA |
| Depositing User: | Ms. Norfaezah Khomsan |
| Last Modified: | 24 Apr 2025 05:27 |
| URI: | http://webagris.upm.edu.my/id/eprint/15982 |
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