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Database of Abstracts of Theses and Dissertations of SEAMEO SEARCA Scholars
Showing 1501–1510 of 1,515 records
"Primary Tracheary Elements of the Genus Oryza"
The structure of lateral wall and overlap areas of xylem elements in the leaf, stem and root of 21 species of Oryza was studied. The predominant type found in all plant organs was the reticulate. The second-order thickenings were... Read more.PhD (University of the Philippines Los Baños)"Rice Hull-Soil Mixtures as Growing Media for Tomato Transplants"
Three experiments were conducted to determine some properties of rice hull, to ascertain the possible use of rice-hull-soil mixtures as growing media for tomato seedlings, and to find out the optimum amount and frequency of fertilizers to be... Read more.MS (University of the Philippines Los Baños)"Some Economic Factors Affecting Income of Farmers in Nueva Ecija, a Land Reform Area"
The general objectives of the study was to provide farmers and policy makers some epimirical bases for were related to net income through a tubular presentation and those related to gross income, through the fitting of a mathematical function using... Read more.MS (University of the Philippines Los Baños)"Studies on Eggplant Seed Dormancy"
Eight varieties of eggplant (Solanum melongena L.) were used to investigate the occurrence and nature of seed dormancy and to study means of breaking it. Of the eight varieties, three exhibited varying degrees of seed dormancy. Seeds of varieties... Read more.MS (University of the Philippines Los Baños)"Studies on Some Preservative Properties of Chlorinated Coconut Oil"
Chlorinated coconut oil was tested for such preservative characteristics as toxicity, permanence, penetrative capability, corrosiveness, appearance and paintability. All experiments were conducted in the laboratories of the Departments of Wood... Read more.MS (University of the Philippines Los Baños)"Sweet Potato Meal as Replacement for Corn in Iso-Nitrogenous and Iso Caloric Broiler and Swine Rations"
The first part of the study was conducted to ascertain the amount of corn that could be replaced by newly prepared, dextirinized, and stored camote meal in broiler chick rations. Effects of camote meal on breast and shank pigmentation and incidence... Read more.MS (University of the Philippines Los Baños)"A biological and Toxicologiacal Study of Striped Rice Borer Chilo suppressalis (Waalker)"
A laboratory study was made of the biology of C. suppressalis and the response of four larval instars to five insecticides. The total development period of C. suppressalis on rice (Rexoro variety), from egg laying to adult emergence... Read more.MS in Entomology (University of the Philippines Los Baños)"Allocation of the principal's Time in agricultural schools in Luzon"
The study was made to determine and compare the perceptions of the principals and teachers regarding the allocation of the principal’s time in vocational agriculture schools in Luzon. Data were gathered with the use of interview... Read more.MS (University of the Philippines Los Baños)"Banana Homogenate, Coconut Water, Peptone, and Auxins as Nutrient Supplements in the In Viro of Dendrobium and Phalaenopsis Ovules."
The study was conducted to determine the proper nutrient supplements to an inorganic medium for the satisfactory germination and development of orchid embryo or ovule cultures. Banana homogenate of the Bungulan variety, coconut water from... Read more.PhD (University of the Philippines Los Baños)"Effects of Soybean milk-skimmilk mixtures on Dairy Calves in Veal Production"
Twelve one week old male calves (4 Jerseys and 8 IIolsteins)were used to study the effects of feeding varying ratios of soybean milk to skimmilk(25:75, 50:50; and 75:25) as milk replacers on their growth and performance, carcass yield and... Read more.MS (University of the Philippines Los Baños)