Jurnal Agroekoteknologi
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Pengaruh Intensitas Cahaya terhadap Jumlah Klorofil dan Laju Fotosintesis pada Berbagai Usia Bibit Kelapa Sawit (Elaeis Guinensis Jaqc)
Full text linkThis research aimed to determine the effects of different light intensities and seedling ages on oil palm (Elaeis guinensis Jacq.) nurseries. This research was an experimental type of research carried out from May to August 2023 at the experimental garden of the Faculty of Agriculture, University of Sultan Ageng Tirtayasa, Serang Regency, Banten Province. This research used a factorial split plot design, which consists of two factors. The first factor was the difference in light intensity, which consists of 3 levels: no shade (N0), 20% net shade (N1), and 40% net shade (N2). The second factor or subplot was the age of oil palm seeds, which consists of 3 levels: 3 months of age (B1), 6 months of age (B2), and 9 months of age (B3). The results of the research showed that there was an interaction between light intensity treatment and seedling age that was significantly different in the 1000 nm wave assimilation parameter. The independent influence of light intensity treatment and seedling age occurred on the total chlorophyll parameter. The independent effect of seedling age treatment occurred on the assimilation and evapotranspiration parameters at 1000 nm waves.
Efektivitas Pemberian Beberapa Dosis Solid Decanter dan Urea Terhadap Pertumbuhan Tanaman Jahe Gajah (Zingiber officinale Rosc.)
No full textJahe sering digunakan sebagai bumbu masak, minuman, dan obat herbal alami. Produksi jahe Indonesia di tahun 2021 diperkirakan mencapai 307,24 ribu ton, meningkat 67,42% dari tahun sebelumnya. Peningkatan hasil jahe dapat dilakukan dengan cara ekstensifikasi dengan memanfaatkan ultisol. Pupuk organik solid decanter padat mengandung N, P, K, dan Mg dan Urea dapat meningkatkan pertumbuhan tanaman jahe. Tujuan penelitian ini untuk mengetahui interaksi antara dosis solid decanter dengan pupuk urea terhadap pertumbuhan tanaman jahe gajah. Penelitian dilakukan dari bulan Januari sampai dengan April 2023 di Desa Koto Tuo, Kelurahan Lambung Bukik, Kecamatan Pauh ± 160 mdpl. Rancangan percobaan yang digunakan adalah faktorial 3 x 2 dengan 3 ulangan dalam Rancangan Acak Lengkap (RAL). Faktor pertama dosis pupuk organik Solid Decanter: 5 ton/ha atau 60 g/lubang tanam, 10 ton/ha atau 120 g/lubang tanam, 15 ton/ha atau 180 g/lubang tanam. Faktor kedua dosis pupuk Urea: 150 kg/ha atau 1,8 g/tanaman dan 300 kg/ha atau 3,6 g/tanaman. Ada interaksi antara pemberian Solid decanter dengan urea terhadap pertumbuhan tinggi tanaman jahe gajah. Dosis Solid decanter terbaik untuk pertumbuhan diameter batang jahe adalah 10 ton/ha atau 120 g/lubang tanam. Dosis Urea terbaik untuk pertumbuhan diameter batang jahe adalah 300 kg/ha atau 3,6 g/ lubang tanam
Pengaruh Pemberian Beberapa Dosis Pupuk NPK dan Komposisi Media Tanam Terhadap Pertumbuhan dan Hasil Tanaman Cabai Merah (Capsicum annuum L.)
Full text linkRed chilli is a crucial vegetable crop in Indonesia, facing a rising demand that calls for increased production. Enhancements in red chilli production may be achieved by adopting polybag cultivation techniques. This study aims to find the interaction between various NPK fertilizer dosages and planting media compositions on the best growth and yield of red chilli plants and to determine the best NPK fertilizer dosage and plant media composition for the growth and yield of red chilli plants. The research was conducted at the net house, Faculty of Agriculture, Andalas University, from March to August 2023. This investigation was a factorial experiment organized in a Completely Randomized Design (CRD), comprising two factors with three replicates each. The first factor was the dosages of NPK fertilizer: 300, 400, and 500 kg/ha. The second factor concerned the composition of the planting medium, consisting of ultisol soil, cow manure, and cocopeat in ratios of 2:1:1, 2:2:1, and 2:1:2. Data analysis was conducted using the F-test followed by DNMRT at a 5% significance level. The findings indicated no interaction between the dosages of NPK fertilizer and the composition of the planting medium concerning the growth and yield of red chilli plants. The application of NPK fertilizer at a dosage of 400 kg/ha positively influenced the variables of dichotomous branch number and the number of fruits per plant, whereas the planting medium composition of 2:2:1 exerted the most favourable effect on plant height, flowering age, number of fruits per plant, and fruit weight per plant
Response of ornamental plant Aster to inoculation of various inoculant of soil microbial consortia
Full text linkThe Aster (Callistephus chinensis L) is an important commodity and is cultivated by using NPK fertilizer. The other nutrient source in environmental-friendly agriculture is biofertilizer contains mixed strains of beneficial microbes. The purpose of a field experiment was to observe the influence of various biofertilizer composed of mixed strain of Nitrogen-fixer bacteria and Phosphate-solubilizer microbes on Aster plant growth and yield of flower. The research design was a randomized block design consisted of four biofertilizer types and one control. The results verified that biofertilizer increased plant height at 9 weeks after application but have not affected the initial generative stadia. The consortia of Pseudomonas diminuta, P. Cepaceae, Penicillium sp., and Aspergillus sp. showed the best effect on the plant health, flower number per plot, and flower diameter. The experiment confirmed that all biofertilizers could be used as the source of biostimulants for Aster.
The Potential of Agricultural Waste Compost to Elevate Growth and Rice Production with the SRI Method in Acid Sulfate Soils
Full text linkAcid sulfate soil is a type of suboptimal wetland that has problems including high acidity, low nutrients, and high solubility of Al and Fe. These problems are often overcome by the use of lime and chemical fertilizers, but if we look closely, the unwise use of chemical fertilizers can have a negative impact on the land. The organic farming system through the System of Rice Intensification (SRI) can be an alternative solution for the development of rice cultivation in acid sulfate soils. Therefore, the application of organic matter in the form of compost from agricultural waste (rice straw, coffee grounds, and oyster mushroom baglog waste) is believed to be able to increase the growth and production of rice in acid sulfate soils. The purpose of this study was to determine the potential impact of agricultural waste compost on the growth and production of rice using the SRI method in acid sulfate soils. This research was carried out for six months, from March to September 2021, in Sungai Rangas Village, Martapura Barat District, Banjar Regency, South Kalimantan Province. This research method used a randomized block design (RBD) with 1 factor, namely the type of compost: a0 = without compost application, a1 = rice straw compost, a2 = coffee grounds compost, and a3 = oyster mushroom baglog waste compost. Each treatment consisted of five blocks, so there were 20 experimental units. The results showed that the application of agricultural waste compost has the potential to increase the growth and production of rice using the SRI method on acid sulfate soils. Rice straw compost (a1), coffee grounds compost (a2), and oyster mushroom baglog compost (a3) were able to increase plant height, number of productive tillers, weight of 1,000 grains of rice, and harvested dry grain weight compared to control (a0)
Pengaruh Aplikasi Plant Growth Promoting Rhizobacteria Terhadap Pertumbuhan, Hasil Panen dan Kadar Indole Acetic Acid Tanaman Kentang (Solanum Tuberosum L.)
Full text linkPotato (Solanum tuberosum L.) is a horticultural crop used as an alternative source of carbohydrates. The potato demand in Indonesia tends to increase yearly, but this does not align with its production. One of the efforts to increase potato production is fertilization. However, the intensive application of chemical fertilizers with increasing doses can damage the quality of the soil, kill microorganisms in the soil, and deteriorate the health of farmers. Therefore, it is necessary to conduct research to find alternative chemical fertilizers with the application of Plant Growth Promoting Rhizobacteria (PGPR) biological fertilizers. The study aimed to examine the application of PGPR to potato plants' growth, yield, and IAA levels. The sample has been taken in Kaponan Village, Pakis District, Magelang Regency. The field experiment method was a completely randomized design with four treatments and four replications. The treatments consisted of no application of PGPR, PGPR 40 mL 10 L-1 of water, PGPR 50 mL 10 L-1 of water, and PGPR of 60 mL 10 L-1 of water. The data were analyzed using the ANOVA test, and if there was a significant difference, the Duncan Multiple Range Test was continued at the 5% test level. The results showed a significantly different effect of PGPR application on growth and yields. The application of PGPR showed that the increase in IAA levels of potato plants was higher than without PGPR application. The best growth was obtained by treatment with PGPR application of 50 mL 10 L-1 of water. The PGPR application treatment of 60 mL 10 L-1 of water resulted in the best yields and the highest increase in IAA levels
PERTUMBUHAN DAN HASIL PRODUKSI MIANA (Coleus scutellarioides L.) PADA PERBEDAAN PUPUK ORGANIK
Full text linkThe miana plant is an ornamental plant that has potential as a medicinal ingredient. The part of the miana plant that is used as an ornamental or medicinal plant is the leaves. Efforts to increase the growth and yield of miana plants include fertilization. This research aims to analyze the effect of different organic fertilizers on the growth and yield of miana through the application of automated drip irrigation technology. The design used in this research was a single-factor Randomized Complete Group Design, namely organic fertilizer with five levels and five replications each. The treatment levels in this study were without fertilizer (P0), cow manure (P1), goat manure (P2), chicken manure (P3), guano fertilizer (P4), and quail manure (P5). The results of the research show that differences in organic fertilizer affect miana growth through the application of automated drip irrigation technology which can be seen in the parameters of plant height, number of leaves, and number of branches. Cow manure gave the highest average value and was able to increase miana growth most dominantly at the start to the end of the observation week compared to other treatments. Meanwhile, the parameters include leaf area, stem dry weight, leaf dry weight, total biomass, and total flavonoids. Goat manure gave the highest average value and increased miana yield in the leaf area, stem dry weight, and total biomass parameters, while cow manure gave the highest average value and increased miana yield in the leaf dry weight parameter. Apart from that, quail manure gave the highest average value and increased the yield of miana on the total flavonoid parameter
Pemanfaatan Kompos Eceng Gondok untuk Pertumbuhan dan Hasil Tanaman Pakcoy di Tanah Gambut
Full text linkThis study examines organic matter in the form of swamp plant-derived compost, namely water hyacinth. The study's objective was to ascertain how water hyacinth compost affected on peat soil which is known to have low soil fertility and is a problem in pakcoy cultivation. This study was a polybag scale experimental study using a one-factor Completely Randomized Design (CRD), namely water hyacinth compost with 5 levels of treatment with 4 replications so that there were 20 experimental units, the treatment consisted of p0 = 0 g polybag-1 (without treatment), p1 = 45 g polybag-1 water hyacinth compost p2 = 89 g polybag-1 water hyacinth compost, p3 = 134 g polybag-11 water hyacinth compost, p4 = 178 g polybag-1water hyacinth compost. The research was started by making compost from water hyacinth added with chicken and cow manure to enrich the compost content. Once the compost has matured it is applied to the peat soil and incubated for a week. Pakcoy seedlings are planted when the plants have 2-4 leaves, then maintenance, observation of plant growth and yield, then harvesting will be carried out. In addition, an analysis of compost and soil samples after incubation was also carried out. This indicates that the application of water hyacinth compost affected the growth of pakcoy plants and changed the chemical characteristics of peat soils. 134 g polybag-1 of water hyacinth compost has the greatest effect on the growth and yield of pakcoy plants, while the chemical characteristics of peat soils have varied effects and there has been an increase.KeywordsPeat Soil; Compost; Water Hyacinth; Pakco
Potensi Bioenkapsulasi Bakteri Endofit Bacillus sp. sebagai Biokontrol Busuk Batang Fusarium pada Tanaman Jagung
Full text linkBusuk batang fusarium merupakan salah satu penyakit penting pada tanaman jagung. Busuk batang dapat mengakibatkan penurunan produktivitas. Saat ini, banyak fungisida kimia yang digunakan untuk mengendalikan berbagai penyakit pada tanaman yang disebabkan oleh Fusarium sp. Penggunaan fungisida kimia secara terus-menerus dapat menimbulkan kerusakan lingkungan dan menimbulkan resistensi patogen. Penggunaan agens pengendali hayati secara langsung selama ini sering dilakukan, namun hasilnya kurang efektif. Oleh karena itu, penelitian ini bertujuan untuk meningkatkan efektivitas agens pengendali hayati dalam menghambat penyakit tersebut melalui bioenkapsulasi. Diharapkan hasil penelitian tentang potensi bioenkapsulasi bakteri endofit Bacillus sp. ini bermanfaat sebagai rekomendasi pengendalian penyakit busuk batang fusarium. Aplikasi bioenkapsulasi beads bakteri endofit Bacillus sp. sebagai pengendali hayati dapat menjadi alternatif dalam pengendalian penyakit busuk batang fusarium pada tanaman jagung dibandingkan dengan penggunaan fungisida kimia berbahan aktif prophineb. Hasil penelitian menunjukkan bahwa perlakuan K3 (konsentrasi natrium alginat 3%) memperoleh hasil tertinggi pada pengujian viabilitas dan efisiensi enkapsulasi, yang berpengaruh terhadap nilai intensitas penyakit, serta nilai tertinggi pada pengujian rumah kaca. Hasil yang diperoleh juga tidak berbeda nyata dengan perlakuan menggunakan fungisida kimia.
Pengujian Biologis Formulasi Bioenkapsulasi Bacillus sp. untuk Menghambat Penyakit Layu Bakteri pada Tanaman Cabai
Full text linkBacterial wilt disease is a serious threat to cayenne pepper plants because it can cause a significant reduction in production. Although Bacillus sp. has been applied using liquid formulations, the results have not been optimal. Therefore, bioencapsulated formulations in the form of Beads have been tested as an alternative to increase their effectiveness. These Beads were made using sodium alginate cross-linked with CaCl2 through an extrusion technique. The application of Beads with the K2W1 treatment combination showed the lowest disease intensity level, which was 55.5%, and the effectiveness of inhibition reached 44.5%. From the results of this study, it can be concluded that the beads formulation is significantly potentian in inhibiting bacterial wilt disease on chili plan