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| 1 |
ID:
364389
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| Summary/Abstract |
The Govt of Laos estimates that 100,000 ha of primary forest and 300,000 ha of secondary forest are degraded by shifting of cultivation each year. This paper considers lessons from research on shifting cultivation, describes shifting cultivation in Northern Laos and approaches being taken to reduce the area under shifting cultivation in the area, and identifies research that would improve system productivity and sustainability.
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| 2 |
ID:
364380
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| Publication |
Manila, Philippines, Social Science Division, International Rice Research Institute, 1990.
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| Description |
Paperback Volume
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| Series |
IRRI Social Science Division Papers Series
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| Summary/Abstract |
Post "Green Revolution" collaborative research of the International Rice Research Institute and national programs addresses low and declining productivity of rainfed and upland rice environments. Greater complexity and human poverty of these - as compared to irrigated - systems mean that understanding such systems is key to designing research.
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Circulation
| Accession# | Current Location | Status | Policy | Location |
| G00721 | Main | On Shelf | NOT FOR ISSUE | |
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| 3 |
ID:
364383
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| Summary/Abstract |
Villagers from Khu Khat, Northeast Thailand have long harvested both rice and substantial quantities of natural fish from paddies and waterways. Rice-fish culture was recently introduced in the area. Productivity of capture and cultured paddy fisheries in the village was compared.
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| 4 |
ID:
364388
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| Summary/Abstract |
This paper examines interactive change and adaptation of human and natural systems in two pioneer forest settlements in the Philippines. The forest ecosystem was converted by logging, further resource extraction by settlers, and cultivation-factors usually associated with systems degradation.
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| 5 |
ID:
364379
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| Summary/Abstract |
Cropping systems research to improve productivity of an acid upland rice and maize-based farming system is described and evaluations by cooperating farmers are presented.
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| 6 |
ID:
364381
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| Summary/Abstract |
The paper first introduces the rainfed lowland environments studied and then describes how farmer knowledge i.e. pertaining to their (a) differentiation & classification of local rice growing ecosystems (b) choice of traditional rice cultivars (c) crop management practices, is matched to the diversity, uncertainties, risk and problems associated with the different unfavorable lowland conditions.
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| 7 |
ID:
364390
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| Summary/Abstract |
Deforestation, population growth and soil loss have led to reduced sustainability of the marginal uplands of SE Asia. Socioeconomic and policy issues relevant to the adoption of sustainability enhancing technologies are examined; and implications of some of the broader issues are touched upon.
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