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Database of Abstracts of Theses and Dissertations of SEAMEO SEARCA Scholars
Showing 371–380 of 1,559 records
"Floating garden tomato production, water quality degradation, and sustainable livelihood in Inle Lake, Shan State, Myanmar"
The study was conducted in Inle Lake in Nyaung Shwe Township, in the southern Shan State of Myanmar. The study aimed to determine the impacts of floating garden tomato production on the water quality of the lake. The biophysical and socioeconomic... Read more.PhD in Environmental Science (University of the Philippines Los Baños)"Genetic structure of Magnaporthe oryzae B.C. Couch populations from farmers’ fields and experimental plots in the Philippines"
This study determined the current genetic diversity of populations of Magnaporthe oryzae, the rice blast pathogen. A total of 453 monocodial isolates recently collected from farmers’ fields and experimental plots in various geographic areas... Read more.PhD in Plant Pathology (University of the Philippines Los Baños)"Growth, yield, and protein of soybean (Glycine max L. Merr.) in response to different soil organic amendments"
The study elucidated the growth, yield, and protein response of local and introduced soybean genotypes to different soil organic amendments. Using the modified Doyle and Doyle (1990) protocol for DNA isolation, all 16 genotypes tested positive for... Read more.MS in Agronomy (University of the Philippines Los Baños)"Participatory development communication in community based natural resources management within the agricultural community in Krabyai Subdistrict, Ratchaburi Province, Thailand"
This study aimed to: (1) identify the status of community-based natural resources management in Krabyai Subdistrict, Ratchaburi Province; (2) determine the participatory development communication levels for community-based natural resources... Read more.PhD in Development Communication (University of the Philippines Los Baños)"Productivity and spatial variation in unpuddled rice-based systems"
Traditional production of irrigated rice on puddled soil requires considerable irrigation water. Dry seedling rice on unpuddled soil with overhead sprinkler irrigation was examined as a water saving alternative in two cropping systems (dry season... Read more.PhD in Soil Science (University of the Philippines Los Baños)"Resilience to climate change of coastal communities in the Red River Delta Biological Reserve, Vietnam"
The primary occupation of the people in the community is agricultural production generating an annual income of less than VND 10 million. Their garden size range from 0.6 sao to 1 sao, however, they have no livelihood when there is typhoon... Read more.PhD in Community Development (University of the Philippines Los Baños)"Supply response of maize in Vietnam"
This study analyzed the trend of maize production in Vietnam and estimated a supply response model to determine factors affecting changes in maize supply. Supply elasticities were estimated from time-series data covering 1986–2011 using the... Read more.PhD in Agricultural Economics (University of the Philippines Los Baños)"Water quality evaluation of Nam Xong River in Vangvieng District, Vientiane Province, Lao People’s Democratic Republic"
The study was conducted to contribute to the improvement of the Sustainable Management Plan for Nam Xong River. Four villages along Nam Xong River in Vangvieng District were selected for the study. A total of 90 respondents were interviewed for the... Read more.MS in Environmental Science (University of the Philippines Los Baños)"An analysis of the effects of transaction costs on farmers’ market participation in the rice sector of the Philippines"
A simple market participation model with transaction costs was developed to look into the effects of different transaction costs variables on farmers’ rice market participation as a net seller. Using Heckman’s two-step estimator to... Read more.PhD in Economics (University of the Philippines Diliman)"Analysis of the anthropogenic-based disturbances among the indigenous goby population in Mandulog River System, Northern Mindanao, Philippines"
The biology and ecology of indigenous freshwater gobies might be affected by water pollution resulting from human activities, which posed changes in the water quality of the river. Hence, a study was conducted in the upstream, midstream, and... Read more.PhD in Environmental Science (University of the Philippines Los Baños)