Article Per Year (5 Year)
p-Index From 2020 - 2025
1.126
P-Index
This Author published in this journals
All Journal JITRO (Jurnal Ilmiah dan Teknologi Peternakan Tropis) JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Bakti Cendana: Jurnal Pengabdian Masyarakat Journal of Chemical Science and Application
Jefry Presson
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Energy Engineering Environmental Science Materials Science & Nanotechnology Nursing Public Health Social Sciences Veterinary Other

Published : 9 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : Bakti Cendana: Jurnal Pengabdian Masyarakat

 1 
PERMAINAN SAINS BAGI SISWA-SISWI SEKOLAH SMP SWASTA GITA SURYA DAN SMA NEGERI 1 EBAN KECAMATAN MIOMAFO BARAT KABUPATEN TIMOR TENGAH UTARA Sefrinus M.D. Kolo; Yohana Ivana Kedang; Maria M Kolo; Jefry Presson; Elisabeth Korbafo; Eduardus Edi; Noviana M Oebenu; Regina Seran
Bakti Cendana Vol 2 No 1 (2019): Bakti Cendana: Jurnal Pengabdian Masyarakat
Publisher : LPPM Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.191 KB) | DOI: 10.32938/bc.2.1.2019.13-22

Abstract

Community service was held on November 17, 2018 at Gita Surya Private Middle School and Eban 1 Public High School. The material for the dedication of science games is fruit electricity, electrolyte solution, caramelization of sugar, magic money, electric magnets, differences in air pressure, floating and floating floating events, volcanic eruptions, mothballs moving in water, natural acid-base indicators. Science demonstration activities carried out with methods of performance, lectures and discussions. Students interact actively, not rigidly, energetically marked by the number of questions that arise, and students are very enthusiastic in answering questions given by the service team and the high interest of students to be involved in the practice of science demonstrations.
Potensi Ekstrak Tanaman Sebagai Pestisida Alami Di Desa Salu Kecamatan Miomafo Barat Kabupaten TTU Jefry Presson; Gebhardus D Gelyaman; Yohana Ivana Kedang; Sefrinus Maria D. Kolo; Regina Seran; Eduardus Edi; Maria Magdalena Kolo
Bakti Cendana Vol 2 No 2 (2019): Bakti Cendana: Jurnal Pengabdian Masyarakat
Publisher : LPPM Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (805.759 KB) | DOI: 10.32938/bc.2.2.2019.71-75

Abstract

Devotion with the title of potential plant extracts as natural pesticides in Salu village, Miomafo Barat district, TTU district was held in November 2018. The purpose of this service was to provide knowledge on how to increase food production through eradicating pests, providing knowledge about the advantages of natural pesticides compared to synthetic pesticides, and make soursop leaf extract as a natural pesticide. The main target of this activity is the farmers who are conducted through methods of lecture, brochure distribution, and product manufacturing training. This service activity was conducted in 3 sessions. The first session was socialization of ways to increase food production through eradicating pests. The second session is a socialization of the advantages of natural pesticides compared to synthetic pesticides. Making soursop extract as a natural pesticide is the third session that closes all the series of devotion. In addition to providing questions, farmers also provide personal experiences that are useful for the development of science. The coordination of the making of soursop extract indicates the high enthusiasm of the farmers in Salu village towards this devotion. The final product in this activity is soursop leaf extract which is ready to be applied to plants.
Co-Authors Anggelina Mokos Edi, Eduardus Gelyaman, Gebhardus Djugian Kolo, Maria Magdalena Korbafo, Elisabeth Lukas Pardosi Maria Lilita Guterres Maria M Kolo Metriana Leon Nitania Sindy Mesak Noviana M Oebenu Regina Seran Risna Erni Yati Adu Sefrinus Maria Dolfi Kolo Sefrinus Maria Dolfi Kolo Silverius Jevon Tnopo Tea, Marselina Theresia Djue Theresia Ika Purwantiningsih Wihelmin Haumein Yohana Ivana Kedang