Photo of Venecio Ultra Jr

Ultra Jr Venecio

Senior Lecturer

  • 206 Citations
  • 7 h-Index
20002018
If you made any changes in Pure these will be visible here soon.

Research Output 2000 2018

  • 206 Citations
  • 7 h-Index
  • 27 Article
  • 9 Paper
  • 7 Conference contribution
  • 1 Chapter
2018
4 Citations (Scopus)

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
Volatile Organic Compounds
Republic of Korea
Chloroform
Health
Toluene
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
rainfed farming
traditional farming
Philippines
paddy soils
Agriculture

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
spent mushroom compost
soil amendments
growing media
nutrients
nitrogen fertilizers
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

4 Citations (Scopus)
Open Access
Charcoal
soil amendments
charcoal
Cadmium
polluted soils
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

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

3 Citations (Scopus)

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

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
cyhalofop
bentazon
paddy soils
herbicides
acids

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
vinegars
soil properties
rhizosphere
Rhizobium phaseoli
microorganisms
1 Citation (Scopus)
Open Access
Platanus occidentalis
Rhizosphere
Seedlings
rhizosphere
Nitrogen

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
vinegars
Herbicides
soil properties
Soil
herbicides

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
growth and development
physicochemical properties
fertilizers
rice
inflorescences

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

1 Citation (Scopus)

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
Panax ginseng
Panax
root growth
Soil
Growth

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
Industry
South Asia
Nepal
Tea
Asia
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

rice hulls
microorganisms
rice
fertilizers
milling quality

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

byproducts
yeasts
rice
grain quality

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

8 Citations (Scopus)
Pinus densiflora
rhizosphere
soil properties
soil property
air temperature
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
Pinus densiflora
Pinus
Nitrogen
Carbon
carbon dioxide

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

2010

Physiological response and phytoremediation potential of Pinusthunbergii on Cd-contaminated Soil

Han, S-H., KIM, DU-HYUN. & Ultra Jr, V., 2010, In : Journal of Korean Society of Forest Science. 99, 5, p. 711-719

Research output: Contribution to journalArticle

Pinus thunbergii
phytoremediation
polluted soils
plant response
seedlings
2009
28 Citations (Scopus)

Potential for the alleviation of arsenic toxicity in paddy rice using amorphous iron-(hydr)oxide amendments

Ultra Jr., V. U., Nakayama, A., Tanaka, S., Kang, Y., Sakurai, K. & Iwasaki, K., 2009, In : Soil Science and Plant Nutrition. 55, 1, p. 160-169 10 p.

Research output: Contribution to journalArticle

Open Access
iron oxides
arsenic
iron oxide
rice
toxicity
2008
23 Citations (Scopus)
Open Access
chloropicrin
methyl bromide
sterilizing
pot culture
fumigation
2007
36 Citations (Scopus)
Open Access
Glomus aggregatum
biotransformation
arsenic
mycorrhizal fungi
Helianthus annuus
2006
62 Citations (Scopus)
Open Access
arbuscular mycorrhiza
arsenic
mycorrhizae
Helianthus annuus
rhizosphere

Thinning improves surface soil physical properties of coniferous forest plantations

Razafindrabe, B. H. N., Ultra Jr, V., Kubayashi, O., Fujiwara, M., Inoue, S. & Ezaki, T., 2006, In : Journal of rainwater Catchments System. 11, 2, p. 17-24

Research output: Contribution to journalArticle

Open Access
coniferous forest
thinning
soil surface
plantation
physical property
2005

Arsenic transformation and microbial community structures in the rhizosphere of rice irrigated with As contaminated water.

Ultra Jr, V., Nakayama, A., Iwasaki, K. & Sakurai, K., 2005, Plant Nutrition for Food Security, Human Health and Environmental Protection. Li, C., Zhang, F. S., Dobermann, A. & Zhu, Y. (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Citations (Scopus)

Chemical changes under aerobic composting and nutrient supplying potential of banana residue compost

Ultra Jr., V. U., Mendoza, D. M. & Briones, A. M., 2005, In : Renewable Agriculture and Food Systems. 20, 2, p. 113-125 13 p.

Research output: Contribution to journalArticle

Open Access
Musa
composting
bananas
composts
Soil
29 Citations (Scopus)

Influence of Chelating Agent Addition on Copper Distribution and Microbial Activity in Soil and Copper Uptake by Brown Mustard (Brassica juncea)

Ultra Jr, V., Yano, A., Iwasaki, K., Kang, Y., Sakurai, K. & Tanaka, S., 2005, In : Soil Science and Plant Nutrition. 51, 2, p. 193-202 10 p.

Research output: Contribution to journalArticle

Open Access
chelating agent
Brassica juncea
chelating agents
microbial activity
copper
2000

Potential of local rhizobia as inoculant for Calopogoniumcaeruleum

Mendoza, D. M., Ultra Jr, V. & Limjuico, M. L. S., 2000, In : Grassland Society of the Philippines Journal. 4, 2, p. 68-76

Research output: Contribution to journalArticle

Rhizobialinoculation of leucaena hybrid KX2 stem cuttings

Mendoza, D. M., Ultra Jr, V. & Delos, R., 2000, In : Grassland Society of the Philippines Journal. 4, 2, p. 67-86

Research output: Contribution to journalArticle