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All Journal International Journal of Renewable Energy Development UG Journal Public Health of Indonesia Jurnal Penelitian Pertanian Terapan Jurnal Agro Industri Perkebunan JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Jurnal Ilmu Kesehatan Immanuel Veritas : Jurnal Teologi dan Pelayanan Agroekoteknologi Tropika Lembab Jurnal Ilmiah Permas: Jurnal Ilmiah STIKES Kendal Jurnal Aisyah : Jurnal Ilmu Kesehatan Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Pendidikan Teknik Mesin Undiksha Jurnal Agrotropika Jurnal Menara Medika Jurnal Gema Keperawatan Jurnal Ilmiah Sultan Agung Research Horizon Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Jurnal Pengabdian Teknologi, Ekonomi dan Humaniora Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada Jurnal Pengabdian Masyarakat dan Penelitian Terapan Prosiding SNTTM Metalik: Jurnal Manufaktur, Energi, Material Teknik Jurnal Ilmu Kesehatan Immanuel
Herry Susanto
Jurusan Agroteknologi Fakultas Pertanian Universitas Lampung
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Efficacy of atrazine 500 g/l Herbicide against Various Types of Weeds and Its Impact on Maize Plants (Zea mays Linnaeus): Efikasi Herbisida Atrazin 500 g/l terhadap Berbagai Jenis Gulma, dan Dampaknya terhadap Tanaman Jagung (Zea mays Linnaeus) Ibrohim, Ibrohim; Pujisiswanto, Hidayat; Nurmauli, Niar; Susanto, Herry
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 7 No. 1 (2023): June 2023
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.7.1.22-33.2023

Abstract

Atrazine 500 g/l is a selective herbicide that can be applied during pre- or post-growth of corn. This study aimed to determine the effective level of dosage in controlling weeds in the corn planting area and its impact on growth and corn yields. The study was conducted at the Experimental Garden of Universitas Lampung, South Lampung, and the Weed Laboratory of the Faculty of Agriculture, Universitas Lampung, from August to November 2022. The study used a Randomized Block Design (RBD) with seven treatments and four replications. The treatment consisted of 5 herbicide doses (Atrazine 500 g/l (500, 750, 1,000, 1,250, and 1,500 g/ha), manual weeding, and control. The results showed that Atrazine 500 g/l at doses of 750 - 1,500 g/ha effectively controlled the growth of total weeds, broadleaf and grass weeds, Digitaria ciliaris, and Richardia brasiliensis. While at doses of 500–1,500 g/ha, it effectively controlled Eleusine indica, Cleome rutidosperma, and Commelina benghalensis. Those doses did not poison, and did not inhibit growth, and the yield of maize.
Pengujian Formulasi Ekstrak Praxelis clematidea dan Buah Lerak terhadap Pertumbuhan Gulma Rottboellia exaltata Pujisiswanto, Hidayat; Sriyani, Nanik; Susanto, Herry
J-Plantasimbiosa Vol. 7 No. 2 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i2.4527

Abstract

The presence of Rottboellia exaltata weeds is one of the factors causing crop failure in agricultural land such as corn cultivation. Praxelis clematidea weeds and lerak fruit were found to have allelopathic effects in suppressing the growth of many plants. This study aims to determine the effect of P. clematidea and lerak fruit extract formulations on the germination and growth of R. exaltata weeds. The study was conducted from July to October 2025 in Bandar Lampung City and the Weed Science Laboratory, Faculty of Agriculture, University of Lampung. The study used a completely randomized block design (CRBD) with 5 replications. The treatments consisted of 5 formulations of P. clematidea and lerak fruit extracts, namely P0 = control (without extract); P1 = 50% P. clematidea extract; P2 = 50% lerak fruit extract; P3 = 25% P. clematidea extract + 75% lerak fruit extract; P4 = 50% P. clematidea extract + 50% lerak fruit extract; P5 = 75% P. clematidea extract + 25% lerak fruit extract. The results showed that post-emergence application of a mixture of P. clematidea extract + lerak fruit extract inhibited weed growth. The inhibitory effect of 75% P. clematidea extract + 25% lerak fruit extract was higher than that of other formulations on weed height, number of leaves, dry weight of shoots, dry weight of roots, and total dry weight of weeds. The low crown/root ratio, weed toxicity level of 78.67%, and the highest weed suppression percentage of R. exaltata at 67.64%.
The Effect of Profitability, Liquidity, and Leverage on Dividend Policy with Firm Size as a Moderating Variable Susanto, Herry; Rahmawati, Mia Ika
Research Horizon Vol. 6 No. 1 (2026): Research Horizon - February 2026
Publisher : LifeSciFi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54518/rh.6.1.2026.987

Abstract

This study aims to examining and analysing how profitability, liquidity, and leverage affect dividend policy is the goal of this study. It also seeks to determine whether business size influences the correlations between these variables. The study focuses on businesses that were part of the Indonesia Stock Exchange’s (IDX) LQ45 index between 2021 and 2024. Purposive sampling was used to choose the sample, and only companies that regularly paid dividends during the observation period were included. The IDX audited yearly financial statements serve as the data source. Data analysis was conducted using multiple linear regression and moderated regression analysis. Profitability and liquidity have a positive and significant effect on dividend policy, while leverage has a negative and significant effect. Firm size strengthens the relationship between liquidity and dividend policy but does not moderate the effects of profitability and leverage. These results highlight how crucial it is for a company to sustain profitability and efficiently manage its capital structure to guarantee the long-term viability of dividend payments. The study’s findings might be considered by investors when evaluating a company’s stability and prospects in light of its size and financial performance.
Co-Authors - Sutrisno ., Rohmani Agus Suharto, Agus Andriansyah, Septian Anggreyani, Rainatha Arif, Faiz Al Ariyanto Nugroho Aslamiah Aslamiah Asyari Asyari Daryus, Asyari Budhi Susetyo, Ferry Dad R. J. Sembodo, Dad R. J. Dad Resiworo J. Sembodo, Dad Resiworo Dariyus, Asyari DARSONO Didik Sugiyanto Djabumir, Sendi Setiawan Dwi Cahyani Edy, Akari Ericson, Gaol Uli Lumban Ermawati Erwin Erwin - Erwin, Erwin - Fandikurnia, Ade Gipta Galih Widodo Handaya Handaya Hidayat Pujisiswanto Husen Asbanu Ibrohim Juan Pratama Lestari, Andriani Dwi Marimin Marimin Mega Hasanul Huda Mia Ika Rahmawati Nafisah, Durratun Nana Ratna Wati Nanik Sriyani Nareswari Pratita Niar Nurmauli, Niar Nopi Nur Khasanah Novendri, Yos Oktavia, Kurnia Putra, Hasriza Eka R. Rr Maria Dyah Kurniasari Raden Dikky Indrawan Rahayu, Weny Feftiana Ramadiana, Sri Rifa'i, Thaher Rusdi Evizal Saban, Muhamad Zaki Santi Damayanti Sembodo, Dad Resiworo Jekti Sembodo, Dad RJ Siregar, Rolan Siti Fadlilah Sri Wahyuni Sugiatno Sugiatno Sugiyarto Sugiyarto Suparyatmi, Sri Trisna Ardi Wiradinata Widhiastuti, Erma yefri chan Yendi Esye