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Saputra, Iwan
Program Studi Agroteknologi Fakultas Pertanian Universitas Samudra
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Social Sciences Veterinary Other

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PERBANDINGAN MEDIA TANAM DAN INTERVAL WAKTU PENYIRAMAN TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) TAHAP PRE NURSERY Aldy Setiawan; Iwan Saputra; Risky Ridha
Jurnal Penelitian Agrosamudra Vol 12 No 1 (2025): Jurnal Penelitian Agrosamudra
Publisher : Program Studi Agroteknologi Fakultas Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jupas.v12i1.12075

Abstract

Tanaman kelapa sawit (Elaeis guineensis Jacq.) memegang peranan strategis bagi perekonomian Indonesia, baik sebagai komoditas ekspor utama maupun sumber peningkatan pendapatan masyarakat. Penelitian ini telah dilaksanakan di lahan percobaan Fakultas Pertanian Universitas Samudra dengan menggunakan metode Rancangan Acak Kelompok (RAK) Faktorial yang melibatkan dua faktor utama: media tanam (M) dan interval waktu penyiraman (P). Parameter yang diamati meliputi tinggi tanaman, diameter batang, luas daun, panjang akar, dan berat basah. Hasil menunjukkan bahwa perlakuan media tanam dan interval waktu penyiraman berpengaruh signifikan terhadap tinggi tanaman pada umur 75 HST. Perlakuan P3 (penyiraman 1 kali/2 hari) memberikan hasil terbaik dalam hal pertumbuhan tinggi tanaman dibandingkan dengan perlakuan lainnya. hasil analisis menunjukkan bahwa media tanam dan v interval penyiraman tidak memberikan pengaruh yang signifikan pada umur 15 HST, 30 HST, 45 HST, 60 HST, 75 HST, dan 90 HST.
SURVEY OF PHYSICAL FITNESS LEVEL OF GRADE XI STUDENTS OF SMA TARUNA PBD MEDAN IN THE 2024 – 2025 ACADEMIC YEAR Atika Rahma Zulfi; Muhammad Chairad; Usman Nasution; Saipul ambri damanik; Rahma Aulia; Nurkholilah Harahap; Iwan Saputra
Journal of Physical Education, Health and Sports Recreation Vol. 3 No. 1 (2025): Journal of Physical Education, Health and Sports Recreation
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/t08xrm26

Abstract

Physical fitness is an important aspect of every individual's physical condition because optimal physical fitness facilitates daily activities with ease and energy. Similarly, for students, good physical fitness significantly helps them study at school without experiencing lethargy or fatigue, both inside and outside the classroom. This study aims to evaluate the physical fitness level of high school students in Medan City. This study was conducted at Taruna PBD Medan Senior High School, with a sample size of 20 students. The research method used was descriptive quantitative. Based on data analysis, it was found that the percentage of physical fitness levels of 11th grade students at Taruna PBD Medan Senior High School was as follows: 9 students (45%) were included in the "very good" category. 11 students (55%) were included in the "good" category in terms of fitness level. 0 students (0%) were included in the "moderate" category, 0 students (0%) were in the "poor" category, and 0 students (0%) were in the "very poor" category. This study concludes that the physical fitness level of Taruna PBD Medan Senior High School students is in the "good" category.
Analisa Hukum Penggugat Menuntut Satu Satunya Ahli Waris dan Warisan di Pengadilan Negeri (Perkara No. 593/Pdt. G/2021/PN.Sby) Ginah Supriati; Iwan Saputra
Advokasi Hukum & Demokrasi (AHD) Vol. 3 No. 1 (2025): Advokasi Hukum & Demokrasi (AHD)
Publisher : Sekolah Tinggi Ilmu Hukum (STIH) Prof Gayus Lumbuun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61234/ahd.v3i1.87

Abstract

This study discusses the application of the principle of saisine in Indonesian civil inheritance law, with a case study of Decision No. 593/Pdt.G/2021/PN.Sby. Based on Article 834 of the Burgerlijk Wetboek (B.W.), an heir has the right to claim the entirety of the inheritance property possessed by another party. The aim of this research is to examine the legal basis, the plaintiff’s arguments, and the judge’s considerations in determining the validity of the sole heir status. The research method employed is normative juridical with a case study approach. The results indicate that the plaintiff is entitled to the entire inheritance after being legally proven as the sole heir, through the application of the saisine principle and the provisions regarding the capacity to inherit as stipulated in Articles 838 and 912 of the B.W.
Pengaruh Aplikasi Palm Oil Mill Effluent (POME) Terhadap Indeks Kualitas Tanah dan Produktivitas Kelapa Sawit (Elaeis guineensis Jacq.) Syahdina Atiyyah Dinata; Iwan Saputra; Boy Riza Juanda
Jurnal Agrotek Lestari Vol 12, No 1 (2026): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jal.v12i1.14773

Abstract

Oil palm (Elaeis guineensis Jacq.) is one of Indonesia’s most important plantation commodities, and the application of Palm Oil Mill Effluent (POME) has been increasingly adopted to support sustainable production. This study aimed to evaluate the effect of land application of POME on the Soil Quality Index (SQI), analyze the relationship between soil quality and oil palm productivity, and compare oil palm yields between POME-applied and non-applied areas at PTPN IV Regional II, Langkat Oil Palm Estate, North Sumatra. The research was conducted from March to April 2025 using a survey method with descriptive analysis. Soil samples were collected purposively from two POME pumping blocks (O and W) at depths of 0–30 cm and 60–90 cm, and analyzed for physical and chemical soil properties. The results showed that land application of POME significantly improved the Soil Quality Index, indicated by increased soil pH, organic carbon, total nitrogen, and available phosphorus, as well as decreased bulk density, particularly on undulating land. A positive relationship was observed between soil quality and oil palm productivity, and POME-applied areas consistently produced higher yields than non-applied areas. These findings demonstrate that land application of POME effectively enhances soil quality and increases oil palm productivity.Keywords : Oil palm, Palm Oil Mill Effluent (POME), Land application, Soil quality index, Productivity
Peningkatan Produktivitas Tanah Sulfat Masam dan Hasil Padi Menggunakan Bioarang dari Limbah Industri Penggergajian Kilang Kayu Syamsul Bahri; Adnan Amin; Iwan Saputra
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 1 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.1.1

Abstract

The study aims to analyze three aspects. (1) Formulation of biochar from wood refinery sawmill waste at pyrolysis temperatures of 450°C and 550°C with pyrolysis times of 2 and 4 hours. (2) The best wood refinery sawing waste biochar dosage to improve the chemical quality of acidic sulfate soil through improving soil pH, Al-dd, N, P, and K of the soil. (3) Growth and production of paddy on acidic sulfate soils by application of ameliorant biochar of waste sawmill wood mill. The research was conducted in acidic sulfate soil in a screen house in the Experimental Garden of the Faculty of Agriculture, Syiah Kuala University. Soil samples and biochar were analyzed at the Soil and Plant Research Laboratory of the Faculty of Agriculture. The study was an experiment using a factorial complete randomized design with two factors: the temperature and pyrolysis time and the dose of biochar. The results showed that the application of biochar waste from sawmill wood refineries had a very significant and significant effect on improving the quality of acidic sulfate soil and the growth and production of rice fields. The formulation of biochar at a pyrolysis temperature of 550°C for 2-hour pyrolysis with 20 tons/ha is the best improvement in acid sulfate soil quality, growth, and rice field production. Keywords: acid sulphate, biochar, paddy
PEMBERDAYAAN PETANI MELALUI PELATIHAN INSEKTISIDA NABATI DI KELOMPOK TANI BAN TIMOH, KECAMATAN SUNGAI RAYA SEBAGAI WUJUD PERTANIAN BERKELANJUTAN Iswahyudi Iswahyudi; Iwan Saputra; Arisna Fauzia; Marini Bravikawati; Cut Mulyani
INTEGRITAS : Jurnal Pengabdian Vol 9 No 2 (2025): AGUSTUS - DESEMBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/integritas.v9i2.7033

Abstract

Desa Buket Drien, Kecamatan Sungai Raya merupakan salah satu desa di Kabupaten Aceh Timur yang memiliki produk unggulan berupa padi dan tanaman holtikultura. Desa ini juga menjadi salah satu penyumbang gabah hasil panen di Kabupaten Aceh Timur. Namun, dalam memanen hasil pertaniannya sering sekali tanaman diserang oleh hama. Contohnya di Kelompok Tani Ban Timoh yang menjadi kelompok tani bergerak di bidang pertanian dengan menghasilkan padi mencapai 1-2 ton/ha setiap musim tanam. Kelompok tersebut juga memiliki kendala dalam pengendalian hama. Hama yang sering menyerang adalah Hama penggerek batang dan pernah menyebabkan gagal panen. Untuk pengendalian dikarenakan jumlahnya banyak, mereka sering menggunakan insektisida sintetis yang memberikan residu pada hasil pertanian mereka. Selain itu, rendahnya tingkat pengetahuan kelompok tani dalam pengelolaan hama terpadu melalui identifikasi lahan sawah sekitarnya dan cara pembuatan insektisida nabati sebagai pengelolaan hama bersifat hayati. Metode yang digunakan yaitu metode edukasi mengenai pengelolaan hama terpadu (PHT) serta jenis-jenis serangan hama dan mengajak aktif untuk ikut demonstrasi pembuatan insektisida nabati. Hasil yang didapatkan dari kegiatan pengabdian ini yaitu penerapan kegiatan pelatihan pembuatan insektisida nabati dapat mengatasi permasalahan petani dalam mengurangi penggunaaan bahan kimiawi. Peningkatan pengetahuan masyarakat juga mengindikasikan keberhasilan kegiatan dikarenakan adanya selisih hasil pre-test dan post-test yang signifikan pada setiap item topik pertanyaan dengan rata-rata mencapai angka 30%.
Penguatan Ketahanan Pertanian Pascabencana Banjir Bandang Melalui Program Mahasiswa Berdampak Berbasis Pemberdayaan Kelompok Tani Terdampak di Kabupaten Aceh Tamiang Boy Riza Juanda; Kiagus M. Zain Basriwijaya; Darwin Darwin; Risky Ridha; Danar Hadisugelar; Saiful Mahdi; Iwan Saputra; Zulhilmi Zulhilmi
Jurnal Masyarakat Madani Indonesia Vol. 5 No. 2 (2026): Mei
Publisher : Alesha Media Digital

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59025/d635tj71

Abstract

Program Mahasiswa Berdampak merupakan salah satu upaya strategis dalam mendukung pemulihan masyarakat pascabencana banjir bandang melalui pendekatan pemberdayaan dan penerapan teknologi tepat guna. Kegiatan ini dilaksanakan di Kampung Johar Kecamatan Karang Baru Kabupaten Aceh Tamiang yang merupakan wilayah rawan banjir dengan mayoritas masyarakat bergantung pada sektor pertanian. Tujuan program ini adalah memperkuat ketahanan pertanian, meningkatkan kapasitas masyarakat, serta mendorong kemandirian dalam menghadapi risiko bencana di masa mendatang. Pelaksanaan Program Mahasiswa Berdampak di Kampung Johar dilakukan dengan penerapan teknologi dan inovasi yang diarahkan pada optimalisasi tanaman pekarangan, pemulihan serta peningkatan kapasitas produksi peternakan rakyat pascabencana, peningkatan akses air bersih dan sanitasi sederhana, serta perbaikan akses jalan usaha tani telah memberikan kontribusi yang signifikan terhadap peningkatan kualitas hidup kelompok tani dan masyarakat sekitar. Metode pelaksanaan meliputi tahap persiapan dengan survei dan sosialisasi, tahap pelaksanaan dengan pendekatan partisipatif dan penerapan teknologi, serta tahap pendampingan dan evaluasi . Program difokuskan pada optimalisasi tanaman pekarangan, penguatan peternakan rakyat skala rumah tangga, penyediaan akses air bersih dan sanitasi sederhana, serta perbaikan jalan usaha tani. Teknologi yang diterapkan antara lain pekarangan produktif adaptif bencana, kandang ternak skala keluarga yang tahan terhadap bencana, serta sistem penyediaan air bersih berbasis filtrasi sederhana. Hasil kegiatan menunjukkan Program Mahasiswa Berdampak berhasil mencapai tujuan yang ditetapkan dan berpotensi menjadi model pemberdayaan masyarakat berbasis inovasi yang dapat direplikasi di wilayah terdampak lainnya dengan memberikan dampak positif terhadap peningkatan pengetahuan, keterampilan, dan partisipasi mitra yaitu Datok Penghulu beserta seluruh aparatur desa, kelompok Berkah Jaya Tani sebanyak 29 orang, Kelompok Remaja Tani sebanyak 20 orang dan masyarakat lainnya. Pemanfaatan pekarangan mampu mendukung ketahanan pangan dan menambah pendapatan rumah tangga, peningkatan kapasitas produksi dan pengelolaan yang lebih baik, penyediaan air bersih dan perbaikan akses jalan usaha tani turut meningkatkan kualitas lingkungan dan kelancaran distribusi hasil pertanian
Evaluasi Kesesuaian Lahan Pengembangan Tanaman Tembakau (Nicotiana tabacum L) Di Lahan Sawah Kota Langsa Dengan Menggunakan Sistem Informasi Geografis (SIG) Boy Riza Juanda; Iwan Saputra; destiana saputri simbolon
Jurnal Agrotek Lestari Vol 11, No 2 (2025): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jal.v11i2.11711

Abstract

Langsa City is one of the areas that has a fairly large expanse of land for agricultural activities for wetland farming. In addition to the leading plantation commodities, the Aceh Province Agriculture and Plantation Service has scheduled to develop tobacco as one of the leading commodities in Langsa City. Tobacco commodity is a new superior commodity developed in Langsa City starting from 2021 in Pondok Kemuning Village, and 2023 in Buket Meutuah Village, East Langsa District. The productivity and quality of the tobacco are still not optimal, because information on the quality and characteristics of the land for the tobacco development plan in Langsa City is still not known for certain. This study uses a survey method with descriptive analysis based on field observations and laboratory analysis. The process of determining land suitability is carried out using spatial operations by utilizing GIS applications. Based on the physical and chemical analysis of the soil at the sample points and the results of the interpretation of remote sensing data, it was found that the actual land suitability results for tobacco plants in the rice fields of Langsa City in SLH 1 and SLH 2 are Class S3-wa, nr, na with each SLH 1 being 951 Ha (90.65%) and SLH 2 with an area of 98 Ha (9.35%). The results of potential land suitability after efforts to improve the limiting factors in SLH 1 and SLH 2 are class S2-wa orup one level from the actual land suitability class.Keywords: Evaluation, Land, Tobacco, Paddy Fields, GIS
PENGARUH GAYA MENGAJAR GUIDED DISCOVERY TERHADAP HASIL BELAJAR PASSING SEPAK BOLA SISWA KELAS VIII SMP NEGERI 9 BINJAI Fahri Ridwan; Suharjo; Raswin; Ade Ros Riza; Iwan Saputra
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomer 03, September 2026 Publication
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.59447

Abstract

This study aims to determine the effect of the Guided Discovery teaching style on the learning outcomes of football passing skills among Grade VIII students of SMP Negeri 9 Binjai. This research was conducted at SMP Negeri 9 Binjai from April 6, 2026 to April 30, 2026, with the population consisting of all eighth grade students. The sample of this study included class VIII-5 as the control group and class VIII-6 as the experimental group, selected using the cluster random sampling technique. This study employed a quantitative approach with an experimental method, using a Quasi Experimental Design which involved pre-test, treatment, and post-test. The research instrument used was a football passing practice test, while data collection techniques included interviews, tests, and documentation. The data analysis techniques used were normality test, homogeneity test, and hypothesis testing (t-test). The results of the normality test showed that the pretest score of the experimental class was 0.138 and the post-test score was 0.060. Meanwhile, the control class obtained a pre-test score of 0.200 and a post-test score of 0.055. All data were normally distributed as the significance values were greater than 0.05. The homogeneity test result showed a value of 0.052 > 0.05, indicating that the data were homogeneous. Furthermore, the results of the hypothesis test (t-test) showed that the t-value was 5.291 and the t-table value was 2.001, which means that H₀ was rejected and Hₐ was accepted. Thus, it can be concluded that there is an effect of the implementation of the Guided Discovery teaching style on the learning outcomes of football passing techniques in eighth grade students of SMP Negeri 9 Binjai.
Implementasi Kurikulum Merdeka Belajar Pada Mata Pelajaran Bahasa Indonesia Di 3 SMPN Kabupaten Pacitan Mukodi Mukodi; Muhammad Habiburrahman; Clara Devinta; Linda Ayu Lestari; Novalia Indah Rahmadani; Khusnul Hidayah; Nur Riski Yudha; Dina Listiani; Nur Halimah; Nur Kholis; Edi Aris Aprianto; Siska Ayu Saputri; Debby Novla; Jasmin Citra Arsetya; Walil Ngainur Roqim; Dyah Keptiana; Iwan Saputra
Jurnal Penelitian Pendidikan Vol 16 No 2 (2024): Jurnal Penelitian Pendidikan
Publisher : LPPM Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21137/jpp.2024.16.2.9

Abstract

Penelitian ini bermula dari kegelisahan akademik dan keperhatinan yang mendalam atas tumpang tindih kurikulum yang ada dan persoalan pelaksanaan Kurikulum Merdeka Belajar yang belum terlaksana secara optimal. Penelitian ini bertujuan untuk mendeskripsikan dan menganalisis pelaksanaan kurikulum merdeka belajar pada mata pelajaran Bahasa Indonesia SMPN 3 Pacitan, SMPN 5 Ngadirojo Satu Atap Kab. Pacitan, dan SMPN 1 Kebonagung. Jenis penelitian ini adalah deskriptif kualitatif. Objek penelitian ini adalaha SMPN 3 Pacitan, Kab. Pacitan, SMPN 5 Ngadirojo Satu Atap, dan SMPN 1 Kebonagung. Informan kuncinya adalah kepala sekolah, wakil kepala sekolah, guru dan peserta didik. Teknik pengumpulan data, berupa; observasi, wawancara mendalam, dan dokumentasi. Analisis datanya menggunakan pisau analisis Miles & Huberman dan diolah dengan alat bantu software ATLAS.ti9. Hasil riset menunjukkan bahwa; (1) SMPN 3 Pacitan; (2) SMPN 5 Ngadirojo Satu Atap Kab. Pacitan; (3) SMPN 1 Kebonagung telah melaksanakan kurikulum merdeka, khususnya pada mata Pelajaran Bahasa Indonesia secara bertahap sesuai dengan kapasitas, kemampuan, dan kearifan lokal (ciri khas) di masing-masing sekolah. Efektifitas pelaksanaan implementasi kurikulum merdeka pada mapel Bahasa Indonesia di ketiga objek riset tersebut, bertumpu pada kuatnya leadership di sekolah, sehingga aliran distribusi kebijakan bisa terselesaikan secara optimal. P5 menjadi penciri yang autentik di masing-masing sekolah tersebut. Kurikulum merdeka pada mapel Bahasa Indonesia telah diterapkan di SMPN 3 Pacitan, SMPN 5 Ngadirojo Satu Atap Kab. Pacitan, SMPN 1 Kebonagung secara efektif dan proporsional sesuai dengan ketentuan yang ditetapkan pemerintah.
Co-Authors Adnan Amin Aldy Setiawan Atika Rahma Zulfi Boy Riza Juanda Boy Riza Juanda Boy Riza Juanda Boy Riza Juanda Chairudin Chairudin Clara Devinta Cut Mulyani Cut Mulyani Danar Hadisugelar Darwin Darwin Debby Novla destiana saputri simbolon Dina Listiani Dwiyanto, Dimas Dyah Keptiana Edi Aris Aprianto Elvira Rosa Pratiwi Fahri Ridwan Fatni Mufit Fauzia, Arisna Fouzan A'zim Ginah Supriati Habibul Alamsyah Simamora Hanisah Irvan Subandar irwandi irwandi Iswahyudi Iswahyudi, Iswahyudi Iwandikasyah Putra Jasmin Citra Arsetya Jekki Irawan Khusnul Hidayah Kiagus M. Zain Basriwijaya Linda Ayu Lestari M. Alfri Wibowo Marini Bravikawati Mihani Muhammad Afrillah Muhammad Chairad Muhammad Habiburrahman Muhammad Jalil Mukodi Mukodi Mulyani, Cut Novalia Indah Rahmadani Nur Halimah Nur Kholis Nur Riski Yudha Nurkholilah Harahap Rahma Aulia Rahmad Kurniawan Raswin, Raswin Risky Ridha Risky Ridha Risky Ridha Riza, Ade Ros Rosmaiti, Rosmaiti Saiful Mahdi Saipul ambri damanik Simunawir Sitoro Siregar, Dolly Sojuangan Siska Ayu Saputri Suharjo Syahdina Atiyyah Dinata Syamsul Bahri T. Saiful Bahri Teuku Athaillah Usman Nasution Walil Ngainur Roqim Yulia Dewi Fazlina Yulkifli Yulkifli Yusnawati Yusnawati Zulhilmi Zulhilmi