Jurnal Ilmiah Pertanian is pleased to present Vol. 21, No. 1, of our esteemed journal for the year 2024. This issue encompasses a diverse array of research contributions from esteemed scholars in the fields of agriculture and related sciences. The articles featured herein reflect a blend of insightful investigations and innovative methodologies, highlighting the multifaceted nature of contemporary agricultural research. The first article, titled "Study on Medicinal Forest Plants in Ifo, Ogun State, Nigeria, and Factors Shaping Usage Patterns," delves into the exploration of medicinal plants within the rich ecosystem of Ifo, Ogun State, Nigeria. This study offers valuable insights into the utilization patterns of these plants, shedding light on the socio-cultural and environmental factors influencing their usage. Next, "Updates on hosts and distribution of pepper yellow leaf curl Indonesia virus and squash leaf curl China virus in Central Java Province, Indonesia" provides a comprehensive update on the hosts and distribution patterns of two significant plant viruses within Central Java Province, Indonesia. This research contributes to the understanding of viral epidemiology and its implications for agricultural management practices. The third article, "Combination of thidiazuron and basal media type on optimizing in vitro growth of Grammatophyllum stapeliiflorum orchids," presents findings on the optimization of in vitro growth conditions for Grammatophyllum stapeliiflorum orchids. By exploring the effects of thidiazuron and basal media types, this study offers practical insights for orchid propagation techniques. Furthermore, "Landslide hazard assessment and agricultural vulnerability using a geospatial approach" investigates the application of geospatial techniques for landslide hazard assessment and its implications for agricultural vulnerability. This interdisciplinary research bridges the fields of geoscience and agriculture, offering a holistic perspective on disaster risk management. Lastly, "Characterization of composting process and chemical composition of compost from recycling centers in Surabaya City, Indonesia" presents a detailed characterization of the composting process and chemical composition of compost derived from recycling centers in Surabaya City, Indonesia. This study contributes to the advancement of sustainable waste management practices and agricultural resource utilization. Collectively, the articles featured in this volume exemplify the dedication of scholars from diverse backgrounds to address pressing issues in agriculture and allied sciences. We extend our gratitude to the authors for their invaluable contributions and to the reviewers for their meticulous evaluation, which has ensured the quality and rigor of the published research. We trust that these scholarly endeavors will inspire further exploration and innovation in the field of agriculture.