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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Agroradix : Jurnal Ilmu Pertanian BIOLOVA
Ummi Sholikhah
Universitas Jember
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Engineering

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PENGARUH SAMPAH ORGANIK TERHADAP KARAKTERISTIK KIMIA VERMIKOMPOS Ahmad Ilham Tanzil; Puji Rahayu; Raudhotun Jamila; Wahyu Indra Duwi Fanata; Ummi Sholikhah; Tri Ratnasari
AGRORADIX : Jurnal Ilmu Pertanian Vol 7 No 1 (2023): Desember 2023
Publisher : Agroteknologi Fakultas Pertanian Universitas Islam Darul 'Ulum (UNISDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/agroteknologi.v7i1.5262

Abstract

Vermicompost is a fertilizer produced by composting organic matter by utilizing the interaction between earthworms and microorganism. Vermicompost also contains a number of macro and micro nutrients needed by plants. Besides containing macro and micro of nutrients, vermicompost also containing growth hormone such as cytokinins and auxins which are produced by worms during the composting process. The benefits of vermicompost are that it can improve the physical, chemical and biological properties of soil, increase the ability of the soil to retain water, rebuild damaged soil structures and increase ability of the soil to exchange cations. The fermentation process lasted for 14 days using Lumbricus rubellus worms. The choice of this type worm is based on its character which has a high level of productivity, can eat all types of organic matter, is much more adaptive and move less actively. This research was held in Sumbersalak Village, Ledokombo District, Jember Regency and also involving the Kenconowungu farmer group. Goat manure become waste in this village so it has potential to be developed further as the main ingredient for vermicompost. The other additional materials such as vegetable and fruits waste, and leaf litter were used as factor (treatment). These three types of materials are used to find out which treatment gives the best vermicompost quality. Chemical analysis was carried out in this study to determine the organic N, P, K, C organic, pH, and water content. The result of the analysis will be compared with the standards of Minister of Agriculture No.70 of 2011.
KERAGAMAN PERTUMBUHAN VEGETATIF SEMBILAN JENIS PADI HITAM SEBAGAI SUMBER PLASMA NUTFAH POTENSIAL Zainal Abidin; Tri Handoyo; Ummi Sholikhah; Ida Maratul Khamidah; Nur Meili Zakiyah; Roby
BIOLOVA Vol. 7 No. 1 (2026): Volume 7 Nomor 1 Maret Tahun 2026
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/biolova.v7i1.11071

Abstract

Abstrak: Karakter pertumbuhan vegetatif tanaman padi merupakan indikator awal yang penting dalam mengevaluasi potensi genotipe sebagai sumber daya genetik tanaman. Penelitian ini bertujuan untuk menganalisis keragaman karakter vegetatif pada sembilan genotipe padi hitam lokal, yang meliputi tinggi tanaman, diameter batang, jumlah anakan, serta panjang dan lebar daun. Pengamatan dilakukan pada fase vegetatif dengan menggunakan Rancangan Acak Kelompok (RAK). Hasil penelitian menunjukkan bahwa perbedaan genotipe berpengaruh sangat nyata terhadap seluruh parameter vegetatif yang diamati (p < 0,05). Genotipe Hitam Purwokerto menunjukkan tinggi tanaman dan jumlah anakan tertinggi, sedangkan genotipe Hitam Melik memiliki diameter batang terbesar, dan genotipe Pari Ireng memperlihatkan panjang daun terpanjang. Variasi karakter tersebut mencerminkan adanya perbedaan genetik serta potensi adaptasi genotipe terhadap lingkungan tumbuh. Hasil penelitian menegaskan pentingnya karakter vegetatif sebagai dasar dalam seleksi genotipe unggul untuk kegiatan konservasi dan pemuliaan padi hitam lokal, khususnya dalam pengembangan varietas dengan kombinasi sifat optimal yang tahan rebah dan efisien dalam proses fotosintesis. Kata kunci: Karakter morfologi, genotipe, seleksi Abstrack: Vegetative growth characteristics of rice plants are important early indicators in evaluating the potential of a genotype as a plant genetic resource. This study aimed to analyze the diversity of vegetative characteristics in nine local black rice genotypes, including plant height, stem diameter, number of tillers, and leaf length and width. Observations were conducted during the vegetative phase using a Randomized Block Design (RBD). The results showed that genotype differences significantly affected all observed vegetative parameters (p < 0.05). The Black Purwokerto genotype showed the highest plant height and number of tillers, while the Black Melik genotype had the largest stem diameter, and the Pari Ireng genotype showed the longest leaf length. These character variations reflect genetic differences and the potential adaptation of genotypes to the growing environment. The results of this study emphasize the importance of vegetative characteristics as a basis for selecting superior genotypes for conservation and breeding activities of local black rice, especially in developing varieties with optimal combinations of traits that are resistant to lodging and efficient in the process of photosynthesis. Key word: Morphological characters, genotype, selection
Morpho-Physiological Responses of Purbalingga and Purowkerto Local Black Rices to Drought Stress Ummi Sholikhah; Khusna Khamidah; Tri Handoyo; Ahmad Ilham Tanzil; Wahyu Indra Duwi Fanata; Tri Ratnasari; Tri Wahyu Saputra
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 4 (2025): August 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i4.1148-1155

Abstract

Black rice (Oryza sativa L. indica) is a pigmented rice plant that has high antioxidant content. Drought is an abiotic stress that can inhibit the growth and productivity of rice plants. Planting of local black rice with several drought treatments using PEG 6000 was observed in this study. The aim of this research is to determine the morphological and physiological response of local black rice plants in Purbalingga and Purwokerto at various levels of drought stress. This research used a Completely Randomized Design (CRD) with 2 factors. The first factor is 2 local black rice plants, namely Purbalingga and Purwokerto. The second factor was drought stress treatment via PEG 6000 with 4 treatments, namely 0% PEG (control), 5%, 10%, and 15%. The results showed that when applying 15% PEG, local black rice in Purbalingga and Purwokerto experienced a decrease in plant height and number of leaves but increased root length. Based on the physiological response, when addition 15% PEG there was a decrease in the amount of chlorophyll and an increase in the content of H2O2 and anthocyanins in both Purbalingga and Purwokerto local black rice.   Keywords: Black Rice, Drought Stress, Morphological Response, Physiological Response.
Growth and Yield of Vertical Hydroponic Lettuce under Liquid Organic Fertilizer and Shade Intensity Treatments Ika Purnamasari; Tri Ratnasari; Berlian Cindy Febrian; Annisa Lailatus Sufiah; Bintang Kurniawan; Ummi Sholikhah; Tri Wahyu Saputra; Wildan Muhlison
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 2 (2026): April 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i2.689-701

Abstract

Lettuce (Lactuca sativa L.) production needs to be increased to fulfill increasing demand. Application of liquid organic fertilizer (LOF) in the hydroponic nutrient solution and adding shade to reduce solar radiation intensity are expected to improve lettuce yield. The purpose of this study was to investigate the effect of providing shade and adding LOF as a nutrient to optimize the results of hydroponic lettuce cultivation in Situbondo Regency. This study used a factorial Randomized Block Design (RBD) with UV plastic shading as a factor at different levels, namely 6% and 14%. The second factor was the nutrient composition used, namely 100% AB mix, 25% LOF + 75% AB mix, and 50% LOF + 50% AB mix. The results showed that the interaction of the two factors showed a significant difference in the chlorophyll content of plant leaves. The application of each factor was able to influence plant height, number of leaves, fresh weight, leaf area, leaf color, and crispness level, but did not affect the canopy area of lettuce plants. The use of 14% UV plastic and the addition of 25 LOF, separately resulted the highest yield of lettuce.
Co-Authors Ahmad Ilham Tanzil Annisa Lailatus Sufiah Berlian Cindy Febrian Bintang Kurniawan Ida Maratul Khamidah Ika Purnamasari Khusna Khamidah Nur Meili Zakiyah Puji Rahayu Raudhotun Jamila Roby TRI HANDOYO Tri Ratnasari Tri Wahyu Saputra Wahyu Indra Duwi Fanata Wildan Muhlison, Wildan Zainal Abidin Zainal