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Journal : JURNAL AGROTEKNOSAINS

RANCANG BANGUN KOMPOSTER AEROB DAN ANAEROB UNTUK MENGURANGI SAMPAH ORGANIK RUMAH TANGGA Robert Sinaga; Julieta Christy; Ruth Dameria Haloho
JURNAL AGROTEKNOSAINS Vol 5, No 2 (2021): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v5i2.625

Abstract

This objective of this study was design and manufacture a simple drum compost reactor (composter) to be able to process organic waste into compost so as to reduce the problem of organic waste towards generation-z let’s go organic in the orphanage sinar indah cahaya bersama. The method used was engineering or modification, design research activities that are not routine so that contributions are generated in the form of processes and products. The result of the composter was vertical type aerobic composter drum without mixing system with parts up cover, composting room, filter, filter support posts, leachate chamber (liquid organic fertilizer), pipes and air vents covered with gauze, solid compost discharge holes and faucet dispensing liquid organic fertilizer.
ANALISIS LOGAM BERAT Pb, Cu dan Mn AKIBAT AB VULKANIKTERHADAP PENCEMARAN TANAH DAN AIR DI KABUPATEN KARO chaula lutfia saragih; Ruth Dameria Haloho
JURNAL AGROTEKNOSAINS Vol 4, No 2 (2020): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v4i2.441

Abstract

Letusan Gunung Sinabung yang telah terjadi beberapa kali dengan intensitas dan kekuatan yang tinggi terakhir pada bulan Juni tahun 2019 memuntahkan abu atau material yang mengandung oksida beberapa unsur logam seperti Tembaga (Cu), timbal (Pb), dan Mangan (Mn). Penelitian ini dilakukan di tiga kecamatan yang terdampak akibat letusan Gunung Sinabung yaitu Namanteren, Payung dan Tiga Binanga Kabupaten Karo. Penelitian ini bertujuan  untuk menganalisis kadar kandungan logam berat timbal (Pb), Tembaga (Cu), dan Mangan (Mn) pada tanah dan air akibat dampak erupsi Gunung Sinabung terhadap pencemaran tanah dan air serta upaya reklamasi lahan akibat logam-logam berat, sehingga lahan dapat kembali produktif di Kecamatan Namanteran, Payung dan Tiga Binanga. Penelitian ini dilakukan pada tahun 2020, dengan menggunakan metode survei dengan pengambilan sampel tanah menggunakan purposive sampling dan metode Storet untuk penentuan status mutu air berdasarkan PerMenLH tahun 2009. Hasil penelitian menunjukkan bahwa data analisis logam berat Pb, Cu dan Mn pada tanah Kadar logam berat cukup rendah sampai sangat rendah. Status mutu kualitas air mempunyai mutu kelas B yaitu baik (cemar ringan) sampai kelas C yaitu mutu sedang (cemar sedang). Adapun upaya pemulihan dampak erupsi akibat pendangkalan sungai (kali) yaitu menggunakan teknik konservasi tanah dan air seperti penghutanan  kembali dengan penanaman pohon, penebaran benih tanaman alami di insitu.
ANALISIS RETURN ON INVESTMENTPADA USAHA PETERNAKAN SAPI PERAH PT. SARI INDAH KECAMATAN PEKALONGAN BARAT KOTA PEKALONGAN Ruth Dameria Haloho
JURNAL AGROTEKNOSAINS Vol 2, No 1 (2018): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v2i1.139

Abstract

This study aims to determine the feasibility of dairy farming business seen from its financial aspects and to find out how much profit gained from the overall investment invested. This research was carried out on the dairy farming business at PT Sari Indah, West Pekalongan Subdistrict, Pekalongan City. The research method used is the case study method. The selection of research locations with consideration of PT Sari Indah's dairy farming business is a profitable business because it is able to carry out livestock farming independently, and produce milk with good quality. The data analysis in this study was used, namely: Return On Investment (ROI), the results showed that the ROI value was 35.89%. The conclusion of this study is the dairy farming business of PT. Sari Indah was declared financially feasible because it was able to generate a return on investment invested, and the revenue received was greater than
Co-Authors A. Setiadi Abd. Wahid Abdul Rahim Adli Putra Ermanda Agni Ayudha Mahanani Agni Ayudha mahanani Algazali, Algazali Andi Sukma Indah Anindyasari, Dinar Anindyasari, Dinar Ari Wibowo Ariandi Armayanti, Armayanti Besse Mahbuba We Tenri Gading Bulan, Rispa Embong Christy, Julieta Dahang, Donatus Daniel Gea Daniel Maruli Tua Gultom Deka Uli Fahrodi Dwi Ratna Sari, Dwi Ratna Elvany Tarigan Fauzul Azhimah Febrina, Bunga Putri haloho, ruth Herilimiansyah, Herilimiansyah Ilham Ilham Ilham Irma Susanti S Irma Susanti, Irma Irma Yanti Irmayanti Irmayanti Irmayanti, Irmayanti Julieta Christy Julieta Christy Khatifah Kiagus Muhammad Zain Basriwijaya Kiki Pagar S.M. Munthe Lyndon Parulian Lyndon Parulian Nainggolan Lyndon Parulian Nainggolan mahanani, Agni Ayudha Manguntungi, Baso Marsudi Marsudi Masni Masni Minanga, Yunus Tandi Muhammad Adnan Muhammad Irfan Muis, Nurmuliayanti Nainggolan, Lyndon Parulian Ningtiyas, Wenny Dwi Nita Adillah Pratiwi Nurdin, Muhammad Rizaldi Trias Jaya Putra Nurdin, Rizaldi Nurmalasari Nurmalasari Palayukan, Jisril Posman HP Marpaung Pratiwi, Nita Adila Rein, Rein Relius Buulolo Riduan Sembiring Robert Sinaga Rusman Rusman S. Marzuki S.I. Santoso Saragih, Chaula Lutfia Sarman, Aco Parawansa Seringena Br Karo Sinaga, Robert Sinulingga, Suranta Siti Nuraliah, Siti Suardi, Suardi Suci Andanawari Suhartina Suhartina Suranta Sembiring Suranta Sinulingga Suranta Sinulingga Suriansyah Suriansyah Suriansyah, Suriansyah Suyono Suyono Suyono Swati Sembiring Taufik Dunialam Khaliq Taufiq Dunialam Khaliq Togu, Yohanes Tulus Fernando Silitonga Urfani, Yulinda Usman, Al Zaima W. Roessali Weny Dwi Ningtiyas Weny Dwi Ningtyas Widya Satya Nugraha Yeheskiel, Yeheskiel Yosua Yosua Zain.Basriwijaya, Kiagus Muhammad Zakirah Raihani Ya’la