Volume 39 No. 1 January – June 2017

Joy A. Bellen1 and Amalia B. Jomoc2 ABSTRACT Research shows that cognitive and affective abilities among science students can be enhanced using peer tutoring approach. However, peer tutoring approach remains an underutilized peer support (Bond & Castagnera 2006). This study determined the effects of peer tutoring approach in motivation, participation and academic performance of grade […]

Ma. Rachel Kim L. Aure and Richard R. Jugar ABSTRACT This study investigated the self-efficacy levels of pre-service science and mathematics teachers in a Philippine state university. A total of 172 pre-service science and mathematics teachers served as respondents of the study. Data collection was done through the use of the Science and Mathematics Teaching

Lemuel S. Preciados1* and Jayson E. Carcajente1 ABSTRACT Examined in this study were the effects of Sin Tax Law at the microlevel. Using the before-and-after method of analyzing impacts, we applied a multiple regression analysis incorporating difference-in-difference approach of econometric estimation. It appeared that youths had significantly lower cigarette consumption after the implementation of this

Taniela Kepa Siose1, Mohammed Abdul Kader1,3,4 and Anabella B. Tulin1,2 ABSTRACT This study was conducted to investigate the influence of various macro- and micronutrients on the growth and root yield of sweetpotato (variety IB/PH/03) grown in a Samoan Oxisol under semi-controlled screenhouse conditions. The following nutrient elements were considered: N, P, K, Mg, S, B,

Roland V. Rallos1,2, Victor B. Asio1 and Faustino P. Villamayor1 ABSTRACT Studies on soil-landscape relationships are necessary to improve our understanding of the spatial distribution and variation of soils for their sustainable management. This study evaluated the relationship between soil properties and landscape position in the northern volcanic mountain of Leyte, Philippines. Five soil profiles

Raynilda R. Baoy1 and Dionesio M. Bañoc2 ABSTRACT The study evaluated the effects of organic and inorganic fertilizers on the growth and yield of two lowland rice varieties; determined the proper fertilizer combination; and evaluated the profitability of rice production as influenced by the combined application of organic and inorganic fertilizers. This was laid out

Kenneth C. Eco and Beatriz S. Belonias ABSTRACT Calcium oxalate crystals are common constituents of plant tissues and are believed to play a role in protection against herbivory, calcium regulation and even heavy metal sequestration. In this study, calcium oxalate crystals in leaves of Colocasia esculenta were studied in order to elucidate the biomineralization process

Francis S. Legario1 and Agile J. Pesina2 ABSTRACT The diverse microflora of the gastrointestinal tracts of fish is a promising frontier for the discovery of beneficial bacteria and further microbiological investigations. Isolation, characterization, and determination of the enzymatic and antibacterial activities of the culturable cellulolytic bacteria from the gut of Acanthurus gahhm (black surgeonfish) were

Nirjhar Dasgupta1, Paramita Nandy2, Chandan Sengupta3 and Sauren Das1* ABSTRACT Mangrove, a specialized group of plant communities, provide immense ecological and protective benefits to the coastal areas of the tropical and subtropical world where they thrive. Demographic obligation and climatic hostilities have massively altered their vegetation pattern and, even ruined some key species to large

Riski A. Lestariadi1 and Masahiro Yamao2 ABSTRACT Small-scale shrimp farmers have contributed significantly in increasing shrimp production in Indonesia. However, they face various risks that resulted to high fluctuation in their income. Risk management strategies in shrimp farming are needed to cope with inherent risks in order to enhance sustainability of shrimp farming. This study