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Rovel Lando Fambari
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The Utilization of Sawdust and Various Decomposers as Raw Materials for Organic Fertilizer Production Sari Rukmana Okta Sagita Chan; Benny Satria Achmad; Rovel Lando Fambari; Eka Susila
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.3979

Abstract

Sawdust is an abundant material in rural areas of Lima Puluh Kota Regency, making its utilization an effective way to prevent it from being wasted. Sawdust also has great potential to enrich soil with essential elements needed by plants. The process of making organic fertilizer typically involves the addition of microorganisms to accelerate the decomposition of organic materials. One of the challenges in producing and developing organic fertilizer is selecting the right decomposer to ensure that the composting process does not take too long and can be quickly applied and utilized by farmers. This study aims to identify the best decomposer capable of breaking down and accelerating the composting process of sawdust waste. The study used a Completely Randomized Design with the following treatments: sawdust:chicken manure (2:1) + bioactivator, sawdust:chicken manure (2:1) + bio tanduria, sawdust:chicken manure (2:1) + m21 dan sawdust:chicken manure (2:1) + Trichoderma sp. Observation parameters: compost maturation time (days), texture, color, moisture and temperature. From all observations of sawdust compost, treatment A2 (sawdust:chicken manure (2:1) + bio tanduria) showed the best results, and the composting time was also relatively short.
Increasing the Growth and Production of Pakcoy Plants (Brassica rapa L.) with Variations in Planting Media in Hydroponic Systems Rovel Lando Fambari; Jonni; Chairunnisak; Sari Rukmana Okta Sagita Chan; Eka Susila; Benny Satria Achmad
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5180

Abstract

Pakcoy (Brassica rapa L.) is a short-lived leafy vegetable with high nutrient requirements and is highly responsive to environmental conditions, making it well-suited for cultivation using hydroponic systems. Additionally, the limited availability of agricultural land in urban areas due to land conversion necessitates efficient cultivation methods that do not rely on soil. Hydroponic systems offer more precise control over nutrient management and the growing environment compared to conventional soil-based cultivation, potentially increasing production efficiency on limited land. The success of hydroponic pakcoy production is significantly influenced by the type of growing medium, which supports root development, maintains water availability, and facilitates aeration and nutrient absorption. Therefore, research on various growing media is essential to identify the most effective medium for enhancing pakcoy plant growth and yield. This study aims to: 1) determine the effect of various growing media on the growth and production of pakcoy plants in hydroponic systems (Brassica rapa L.); and 2) identify the best alternative growing medium for optimizing the growth and production of pakcoy in hydroponic cultivation. The research was conducted from May to July 2025 in the greenhouse of the Payakumbuh State Agricultural Polytechnic, Harau District, Lima Puluh Kota Regency, West Sumatra. This study employed a completely randomized design (CRD) with a non-factorial approach. The factor studied was the growing media, consisting of seven treatments: rockwool, bamboo humus, coconut fiber, chopped fern, rockwool + bamboo humus, rockwool + coconut fiber, and rockwool + chopped fern. The parameters observed included plant height, number of leaves, leaf width, leaf length, root length, and fresh plant weight. The results indicated that variations in growing media significantly affected the growth and production of Pakcoy plants in the hydroponic system. The combination of rockwool and coconut fiber as planting media yielded the best results for Pakcoy plant growth and production. Therefore, the optimal alternative planting media for Pakcoy growth and production in the hydroponic system was rockwool combined with coconut fiber.
Pemanfaatan Eco Enzyme dalam Proses Biodrying Limbah Gambir (Uncaria Gambir Roxb) pada Kelompok Tani Bunga Gambir di Kecamatan Mungka Rivo Yulse Viza; Veronika Sriwulantari; Rovel Lando Fambari
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 4 (2025): November 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i4.6802

Abstract

Mungka District in Lima Puluh Kota Regency, West Sumatra, is one of the main centers of gambier production that generates a large amount of solid waste from the leaf pressing process. This waste had previously been unmanaged and posed an environmental pollution risk. This community service program aimed to implement bio drying technology based on eco enzym as an environmentally friendly solution to convert gambier pressing waste into value-added organic compost. The program was carried out collaboratively with the Bunga Gambir Farmers Group through training, demonstration, and field mentoring. The partners successfully produced eco enzym from household organic materials and applied it in the bio drying process. The activity resulted in a reduction of waste volume and moisture content by up to 70%, a color change to dark brown, odor reduction, and the formation of semi-mature compost with crumbly texture and no unpleasant odor. The compost product is currently being matured and evaluated for quality before field application. This program improved the knowledge, technical skills, and awareness of the farmers in sustainable waste management and established a practical model for eco enzym–based gambier waste processing that can be replicated in other rural communities.
Pendampingan Teknis Pembuatan Kompos Berbahan Dasar Tumbuhan Tithonia Pada Kelompok Tani Guci Sehati Kanagarian Lasi Kabupaten Agam Rizki Rizki; Darmansyah; Rasdanelwati; Jonni; Yefriwati; Olivia Darlis; Sari Rukmana Okta Sagita Chan; Chairunnisak; Rovel Lando Fambari; Agung Ramadhano; Hawari; Yopa Dwi Mutia
JURNAL BESEMAH Vol. 4 No. 2 (2025): JULI-DESEMBER
Publisher : Gayaku Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58222/jurnalbesemah.v4i2.1749

Abstract

The Guci Sehati Farmer Group in Nagari Lasi faces several fundamental challenges in their agricultural practices, one of which is dependence on synthetic chemical fertilizers. These fertilizers lead to high production costs and trigger degradation of the soil's physical, chemical, and biological structure. The lack of knowledge about using nature-based materials is a challenge for implementing cultivation practices in this farmer group. Additionally, there is an abundance of locally available organic materials such as agricultural waste, weeds, and livestock manure that have not been optimally utilized for producing environmentally friendly fertilizers. This community service program focuses on technical mentoring for making Tithonia-based compost at the Guci Sehati Farmer Group, Kanagarian Lasi, Agam Regency. The main problems faced by partners are high dependency on synthetic chemical fertilizers, expensive agricultural inputs, and suboptimal utilization of local biomass such as Tithonia diversifolia which is abundant in the surrounding environment. The aim of this activity is to empower farmers with skills to make quality organic fertilizer to create more sustainable and independent agriculture. The implementation method includes three main stages: (1) socialization and direct demonstration of Tithonia composting techniques, (2) participatory assistance during the fermentation and turning process, and (3) monitoring and evaluation of compost quality. The mentoring results showed a significant increase in farmers' capacity, where all participants successfully produced Tithonia compost that met physical quality standards, namely dark brown color, crumbly texture, stable temperature, and no odor. The conclusion of this activity is that participatory technical assistance is effective in transferring Tithonia composting technology, reducing dependence on chemical fertilizers, and optimizing local resources, thus directly contributing to strengthening food sovereignty and implementing sustainable agriculture at the farmer level.
Co-Authors Agung Ramadhano Benny Satria Achmad Chairunnisak, Chairunnisak Darmansyah Eka Susila Hawari Jonni Olivia Darlis Rasdanelwati Rizki Rizki Sari Rukmana Okta Sagita Chan Veronika Sriwulantari Viza, Rivo Yulse Yefriwati, Yefriwati Yopa Dwi Mutia