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Database of Abstracts of Theses and Dissertations of SEAMEO SEARCA Scholars
Showing 1041–1050 of 1,515 records
"Effect of NPK Fertilizer Application on the Performance of Corn (Zea mays L.) in Three Major Soil Series of lsabela"
A field experiment was conducted to determine the response to increas ing levels of NPK fertilizer of corn grown in th ree major soil series in lsabela, northern Philippines. The soil series were San Manuel, Ilagan. and Cauayan. which were... Read more.PhD in Soil Science (University of the Philippines Los Baños)"Effect of Tillage, Mulching, and N Fertilization on the Growth and Water Use of Upland Rice (Oryza sativa L.)-corn (Zea mays L.) Cropping Pattern on an lnceptisol in Central Java, Indonesia"
Field experiments were conducted to study the effect of plowing depth, mulching, and nitrogen (N) fertilizer application on some soil physical properties ofloamy fine isohyperthermic matahalloysitic family of Fragic Ustropepts, and on the... Read more.PhD in Soil Science (University of the Philippines Los Baños)"Epidemiology and Control of Rubber Black Stripe Caused by Phytophtora palmivora Butler"
Experiments on epidemiology and control of rubber black stripe were conducted in 10 rubber plantations in Mindanao (Basilan, Zamboanga del Sur, North Cotabato, and Bansalan, Davao del Sur), Philippines, in June-September 1989. Experiments on... Read more.MS in Plant Pathology (University of the Philippines Los Baños)"Growth and Yield of Three Soybean (Glycine max L.) Cultlvars Under Simulated Drought Conditions"
Two experiments were conducted at the Department of Agronomy, University of the Philippines Los Banos (UPLB) in October 1989- February 1990 to compare the growth and yield components of soybean cultivars BPI Sy-4, SJ-2, and UP Sy-4 at different... Read more.MS in Agronomy (University of the Philippines Los Baños)"Influence of Silicate and Sulfate Sources on Phosphorus Sorption and Corn Yields"
The potential of competitive anion adsorption for phosphate using siIicate and suIfate as a possible management strategy to increase phosphate availabiIity to corn was tested on two extremely acidic, phosphorus (P)-deficient soils, namely... Read more.PhD in Soil Science (University of the Philippines Los Baños)"Measures of Empathic Responsiveness of Media Communicators in Western Visayas, Philippines"
The study aimed to characterize media communicators' empathy for and consensus of views with Western Visayas society in terms of their media involvement and sex roles; recognize the effects of media audience sex role homophily on empathy... Read more.MS in Agricultural Economics (University of the Philippines Los Baños)"Photoperiod and Light Intensity on the Laying Performance of Khaki Campbell Breed of Ducks (Anas platyrhynchos)"
An experiment was conducted to evaluate the effect of additional photoperiod to the normal day length (NDL, approximately 12 hours) in Thailand on the laying performance of ducks. Four levels of additional photoperiod (2, 4, 8, and 12 hours... Read more.PhD in Animal Science (University of the Philippines Los Baños)"Population Dynamics of Hirschamannlella Mucronata and Hirschmannlella Oryzae on Sesbanla Rostrata, Aeschynomene Afraspera, and Rice Variety IR58"
The influence of Sesbania rostrata, Aeschynomene afraspera, and rice on the population dynamics of two rice-root nematode species, Hirschmanniella oryzae and H. mucronata, were studied in field and greenhouse experiments during the 1989 wet... Read more.MS in Zoology (University of the Philippines Los Baños)"Potential Productivity and Risks of Different Cropping Patterns Under Rainfed Condition at Maros, South Sulawesi, Indonesia"
Three modules of Macros model, namely: L1D, L2C, and L2SS were used to simulate the growth and yield of two rice varieties (IR64 and IR36), and four upland crops (soybean, corn, cowpea, and peanut). The objective was to determine the potential... Read more.MS in Agronomy (University of the Philippines Los Baños)"Response of Potato (Solanum tuberosum L.) to Boron and Fertilizers in Some Soils of Benguet"
Field and greenhouse experiments were conducted from 1989 to 1990 on Paoay sandy loam, La Trinidad clay loam, and Paoay clay loam soils to determine the response of potato to application of boron (B), complete fertilizer, and chicken manure... Read more.PhD in Soil Science (University of the Philippines Los Baños)