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Database of Abstracts of Theses and Dissertations of SEAMEO SEARCA Scholars
Showing 1121–1130 of 1,513 records
"Influence of Long-term N-P Fertilizers, Cropping Systems, and Rainfall on Corn Yield and on Soil Properties"
Studies were made on Packchong clay, reddish brown lateritic soil (Paleustult) at the National Cron and Sorghum Research Center, Packchong, Nackon Ratchasima, Thailand to evaluate the effects of long-term nitrogen-phosphorus (N-P) fertilizer... Read more.PhD in Soil Science (Kasetsart University)"Mechanisms of Resistance of Soybean (Glycine Max (L) Merr.) to Root-knot Nematode (Meloidogyne Incognita Chitwood)"
Forty-eight soybean cultivars grown in pots were screened for resistance to M. incognita. Of these cultivars, 7 were resistant; 24, moderately resistant; 7, moderately susceptible; and 9, susceptible. The mechanism of resistance is both pre- and... Read more.PhD in Plant Pathology (University of the Philippines Los Baños)"Morpho-anatomy Phytogeography, and Ecology of Ochrosia Oppositifolia (Lam.) K. Schum. (Apocynaceae)"
Descriptive investigation on the gross morphology, anatomy, phytogeography, gynecology, and economic uses of Ochrosia oppositifolia (Lam.) K. Schum. was conducted. Results showed that O. oppositifolia is a luxuriant and dominant species... Read more.MS in Botany (University of the Philippines Los Baños)"Perceptions of BSAB Graduates on the Relevance and Development of the UPLB Agribusiness Management Curricular Program"
The relevance and development of the UPLB Bachelors' Degree Program in Agribusiness Management were analyzed on the basis of the perception of the Bachelor of Science in Agricultural Business (BSAB) graduates. Questionnaires were sent to 125... Read more.MM in Agribusiness Management (University of the Philippines Los Baños)"Prediction of Soil Erosion in Northern Thailand Using a Physical Model"
Experiments were conducted to study the effects of rainfall intensity, slope steepness, and crop cover on runoff and soil loss. The physical model of estimating soil erosion as developed by Rose, Barry, and Sander (1983) was evaluated, and the... Read more.PhD in Soil Science (University of the Philippines Los Baños)"Properties of Wood Adhesives with Three Filler Types as Related to Bond Formation"
Three separate experiments were conducted in order to evaluate the capability of three different types of filler, namely: white clay, lumbang shell, and tea waste. Their characteristics were analyzed for moisture content, ash content, and crude fat... Read more.PhD in Wood Science and Technology (University of the Philippines Los Baños)"Quasi-static Mechanical Properties of Coconut (Cocos Nucifera Linn.) Shell of Husked Mature Nut"
The study was conducted to determine the following: 1) cracking, shearing, bending, and tensile stresses of the coconut shell at different positions of husked mature unit; 2) hardness of the coconut shell at different positions of husked mature nut... Read more.MS in Agricultural Engineering (University of the Philippines Los Baños)"Reproductive and Productive Performance of Anglo-nubians and Crosses in Mindanao"
Data were collected from SURICO farm in Davao City and Philippine Rural Life Center (PRLC) in Bansalan, Davao del Sur, Philippines to assess the reproductive and productive performance of Anglo-nubians and their crosses. The overall age at first... Read more.MS in Animal Science (University of the Philippines Los Baños)"The Agenda-setting Function of Selected Philippine Newspapers in a Rural Setting"
This study tried to test the agenda-setting hypothesis that the media "cause" people to think about certain issues and thus, can mold public opinion. A total of 488 respondents from three rural communities in Laguna, Philippines (200... Read more.MS in Development Communication (University of the Philippines Los Baños)"The Contract Farmers' Perception of the Credibility Characteristics of Tambol Agents in Singburi, Thailand"
The study attempted to describe how the contact farmers perceived the credibility characteristics of Tambol Agents. Specifically, the study sought to determine: 1) the characteristics of a credible Tambol Agent as perceived by the contact farmers; 2... Read more.MS in Extension Education (University of the Philippines Los Baños)