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  • Venecio Ultra Jr
2018

Health risk assessment of volatile organic compounds exposure near Daegu dyeing industrial complex in South Korea

Shuai, J., Kim, S., Ryu, H., Park, J., Lee, C. K., Kim, G-B., Ultra V.U., J. & Yang, W., 2018, In : BMC Public Health. 18, 1

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)
2017

Nutrient availability and biological properties of paddy soils under rainfed traditional “Payatak” farming systems in Catubig Valley, Philippines

Ultra V.U., J., Tan, G. M., Lao, F. U., Punsalan, M. R. O. & Galo, E. A., 2017, In : Journal of Agricultural Science and Technology. 19, p. 1631-1645 15 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Nutrient Supplying Potential of Different Spent Mushroom Substrate Preparations as Soil Amendment in a Potting Media

Ultra Jr, V., Ong Sotto, J. M. E. & Punzalan, M. R., 2017.

Research output: Contribution to conferencePaper

Open Access
2016

Evaluation of different preparations od spent mushroom substrate as growing media component for potted plants

Punsalan, M. R. O., Ong Sotto, J. M. E., Rosco, M. F. & Ultra Jr, V., 2016.

Research output: Contribution to conferencePaper

Open Access
4 Citations (Scopus)
2015

Antioxidant and Fe2+-chelating properties of Chinese pea (Caraganasinica) collected from Kyungpook, South Korea

Kang, Y., Lee, S. W., Cha, S. W., Ultra Jr, V., Benzon, H. R. L. & Lee, S. C., 2015, p. 203-205.

Research output: Contribution to conferencePaper

18 Citations (Scopus)

Antioxidant and Fe2+-chelating propertiesof Eucommiaulmoides collected from Kyungpook, South Korea

Kang, Y., Lee, S. W., Cha, S. W., Ultra Jr, V., Benzon, H. R. L. & Lee, S. C., 2015, p. 209-211.

Research output: Contribution to conferencePaper

Antioxidant properties of Achyrantis radix collected from Bong Hwa, Kyungpook, South Korea

Kang, M. Y., Lee, S. W., Cha, S. W., Ultra Jr, V., Benzon, H. R. L. & Lee, S. C., 2015, p. 200-202. 3 p.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Chemical and Biological Properties of Paddy Soil Treated with Herbicides and Pyroligneous Acid

Benzon, H. R. L., Rubenecia, M. R. U., Ultra Jr, V. & Lee, S., 2015, In : Journal of Agricultural Science. 7, 4, p. 20-29 10 p.

Research output: Contribution to journalArticle

Open Access

Effects of Rhizosphere Microorganisms and Wood Vinegar Mixtures on Rice Growth and Soil Properties

Jeong, K. W., Kim, B. S., Ultra Jr, V. & Chul, S., 2015, In : KOREAN JOURNAL OF CROP SCIENCE. 60, 3, p. 355-365 11 p.

Research output: Contribution to journalArticle

Open Access
Open Access
1 Citation (Scopus)

Influence of herbicides-pyroligneous acids mixtures on some soil properties, growth and grain quality of paddy rice

Seo, P. D., Ultra Jr, V., Rubenecia, M. R. U. & Lee, S. C., 2015, In : International Journal of Agriculture and Biology. 17, 3, p. 499-506 8 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Iron chelating and antioxidant properties of methanol crude extract of Drynaraierhizome based on ABTS, SOD and reducing power assay

Kang, Y., Lee, S. W., Cha, S. W., Ultra Jr, V., Benzon, H. R. L. & Lee, S. C., 2015, p. 206-208.

Research output: Contribution to conferencePaper

Nano-fertilizer affects the growth, development, and chemical properties of rice

Benzon, H. R. L., Rubenecia, M. R. U., Ultra Jr, V. & Lee, S. C., 2015, In : International Journal of Agronomy and Agricultural Research (IJAAR). 7, 1, p. 105-117 13 p.

Research output: Contribution to journalArticle

Open Access

Needs assessment for the occupational health risk and management of the call center industry in the Philippines

Amit, L. M., Ultra Jr, V. & Song, Y-W., 2015, Proceedings of the 4th International Conference and Exhibition of Occupational Health and Safety. Vol. 3.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oryzanol and phytic acid content in rice bran as affected by nanofertilizer application

Benzon, H. R. L., Rubenecia, M. R. U., Ultra Jr, V. & Lee, S. C., 2015, Proceedings of the 2015 Annual Conference: Crop production and Creative Economy. p. 257

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Potential of plant growth promoting rhizobacteria and pyroligneous acids on improving growth of paddy rice and soil properties

Jeong, K. W., Kim, B. S., Ultra Jr, V. & Lee, S. C., 2015, Proceedings of the 2015 Annual Conference: Crop production and Creative Economy.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reducing powers and Fe2+-chelating properties of methanolic extract of Sambacuswilliamssivarmiquelli

Kang, Y., Lee, S. W., Cha, S. W., Ultra Jr, V., Benzon, H. R. L. & Lee, S. C., 2015, p. 212-214.

Research output: Contribution to conferencePaper

Soil chemical and microbial properties and its relationship with the root growth of Panax ginseng

Rubenecia, M. R. U., Ultra Jr, V., Woo, C. S., Ahn, Y. S. & Lee, S. C., 2015, In : International Journal of Agriculture and Biology. 17, 6, p. 1157-1164 8 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Work-shift Schedule as Determinant of Occupational Health Problem among Call Center Agents in Cebu City, Philippines

Amit, L. M., Ultra Jr, V. & Song, Y-W., 2015, Proceedings of 2015 Winter Conference of the Korean Industrial Hygiene Association. p. 64

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2014

Microbial and biochemical properties of soils from several areas of Platycodongrandiflorum A. D.C. and Panax ginseng C. A. Meyer in South Korea

Rubenecia, M. R. U., Seo, P. D., Kim, B. S., Park, J. S., Ultra Jr, V., Cha, S. W., Ahn, Y. S. & Lee, S. C., 2014.

Research output: Contribution to conferencePaper

Soil chemical and microbial properties affecting root growth of Platycodongrandiflorum

Rubenecia, M. R. U., Ultra Jr, V. & Lee, S. C., 2014, Improvement of crop productivity in response to climate change. p. 26

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Soil properties affecting the growth and quality of Balloon Flower roots

Rubenecia, M. R. U., Ultra Jr, V., Woo, C. S., Ahn, Y. S. & Lee, S. C., 2014, In : Agrochimica. 58, 1, p. 119-131

Research output: Contribution to journalArticle

Open Access
2013

Effects of Microbe-inoculated Expanded Rice Hull and Grain Quality of Rice on Growth, Yield and Grain Quality of Rice

Kim, Y. J., Nunez, J. P., Seo, P. D., Lee, S. C. & Ultra Jr, V., 2013, In : KOREAN JOURNAL OF CROP SCIENCE. 58, 1, p. 78-83 6 p.

Research output: Contribution to journalArticle

Influence of yeast-treated rice by-products on growth, yield and grain quality of rice.

Seo, P. D., Nunez, J. P., Park, J. S., Ultra Jr, V. & Lee, S. C., 2013, In : KOREAN JOURNAL OF CROP SCIENCE. 58, 2, p. 128-135

Research output: Contribution to journalArticle

Mixing Pyroligneous Acids with Herbicides to Control Barnyardgrass (Echinochloa crus-galli)

Acenas, X. S., Nuñez, J. P. P., Seo, P. D., Richter-Menge, J., Ultra Jr, V. & Lee, S. C., 2013, In : Weed&Turfgrass Science. 2, 2, p. 164-169 6 p.

Research output: Contribution to journalArticle

Soil biochemical properties and plant growth of Platycodongrandiflorium in major plantation area in South Korea

Rubenecia, M. R. U., Park, J. S., Kim, B. S., Ultra Jr, V. & Lee, S. C., 2013, The Korean society of medical crop science symposium conference. p. 99

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Soil Nutrient Status of Major Ginseng Production Areas in South Korea

Rubenecia, M. R. U., Seo, P. D., Ultra Jr, V., Park, C. B., Ahn, Y. S. & Lee, S. C., 2013, The Korean society of medical crop science symposium conference. p. 101

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)
2012

Changes in growth, photosynthetic parameters, carbon and nitrogen uptake of Pinus densiflora S. et Z. under elevated temperature and CO2 level

Ultra Jr, V., HAN, SIM-HEE., KIM, DU-HYUN. & AGGANGAN, NELLY. S., 2012, In : Asia Life Sciences. 21, 2, p. 523-536 14 p.

Research output: Contribution to journalArticle

Open Access

Physiological response of Cd- and Pb-treated Populus alba × glandulosaseedlings amended with SCB liquid fertilizer

Han, S-H., KIM, DU-HYUN., Ultra Jr, V., KIM, PAN-GI. & AGGANGAN, NELLY. S., 2012, In : Asia Life Sciences. 21, 2, p. 481-498

Research output: Contribution to journalArticle