This paper examines the conversion of Indonesia’s natural forests to timber and tree crop plantations, notably oil palm. The principal aims are to understand the impact of this process on natural forest and on forest-dwelling people, and to establish whether past and present policies governing this process are meeting their objectives.

The potential of Crotalaria ochroleuca check for this species in other resources as a green manure crop was evaluated in a series of on-station and on-farm trials on reddish kaolinitic loam and sandy clay loam soils in Uganda. Production of the green manure by intercropping Crotalaria with either maize or beans was found to be feasible with little reduction in food crop yield and a mean Land Equivalent Ratio of 1.3. The large amounts of N in the Crotalaria indicates that large quantities of N were biologically fixed.

This audiotutorial unit (cassette, printed script, 139 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the Distribution Office at a cost of US$$50; photocopies of the study guide alone can be obtained from the Bean Information Center. Hybridization or crossing constitutes the principal means for genetic improvement of plants.

This paper presents the combined results of two separate orangutan survey efforts and an assessment of land cover change analysis in the Danau Sentarum, National Park (DNSP), West Kalimantan, Indonesia These studies show that the DNSP and surrounding areas contain high numbers of orangutans, making these populations of global significance to the species survival in the wild. However, in the park and its surrounding areas, 40,339 ha habitat disappeared between 1973 and 1990, and 32,586 ha between 1990 and 1997.

Our goal is to improve the targeting of investments in agricultural and NRM research and development

through economic and geographic analysis. Our objective is to develop and provide analysis, information and tools to improve decisions about where, when and how innovations can be implemented to enhance rural livelihoods in a sustainable and equitable manner.

Our goal is to improve the targeting of investments in agricultural and NRM research and development

through economic and geographic analysis. Our objective is to develop and provide analysis, information and tools to improve decisions about where, when and how innovations can be implemented to enhance rural livelihoods in a sustainable and

equitable manner.

This audiotutorial unit (cassette, printed script, 80 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unitis available from the Distribution Office at a cost of US$50; photocopies of the study guide alone can be obtained from the Bean Information Center. Pests are one of the main factors limiting bean production. Of the 200 species of insects and mites, however, only a few cause losses of economic importance.

Inadequate feed and nutrition are major constraints to livestock production in sub-Saharan Africa. National and international research agencies, including the International Livestock Research Institute (ILRI), have developed several feed production and utilisation technologies. However, adoption of these technologies has so far been low. Identification of the major socio-economic and policy factors influencing the adoption of improved feed technologies is required to help design policy and institutional interventions to improve adoption.

Outlines some of the work being done by ILCA in the field of agroecological zonation and the use of models to predict the effect of environment on pastoral and agricultural systems. Includes plans for future developments and the potential benefits of the work.