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Agrotechnology Research Journal

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Published by Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

ISSN : 26557924 EISSN : 26147416 DOI : https://doi.org/10.20961/agrotechresj

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

The Agrotechnology Research Journal is a change of name from the Journal of Agronomy Research. This Journal is Published twice a year by Indonesian Agrotechnological/Agroecotechnological Society (IAAS/PAGI) in collaboration with Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret. This Journal accepts research articles, reviews, and important ideas in agriculture with the theme of Technology and management of Plant Production, Plant Breeding, Land Management Technology, and Plant Protection Technology.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 140 Documents

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Effect of NPK Fertilizer and Foliar Fertilizer on Chili Growth and Yield Rahma Anatalia; Puji Harsono; Mercy Bientri Yunindanova; Djoko Purnomo
Agrotechnology Research Journal Vol 6, No 2 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Chili consumption in Indonesia has increased. Efforts to increase chili production need fertilization through roots and leaf fertilization. The research aimed to obtain optimum intervals of NPK (nitrogen, phosphor, potassium) fertilization and kinds of foliar fertilizer for the growth and yield of chili. The research was conducted from April to August 2020 in Gayam Village, Sukoharjo Regency, Central Java, Indonesia. This study used an experiential method with a Randomized Complete Block Design (RCBD) of 2 factors. The first factor was an interval of NPK fertilization (16-16-16) with a concentration of 25 g.L-1 with a dose of 240 mL.plant-1. The interval of NPK fertilization consists of 4 levels, NPK fertilizer which was applied every 5, 10, 15, and 21 days. The second factor was foliar fertilizer which consists of A foliar fertilizer, B foliar fertilizer, and C foliar fertilizer. The results showed that the interval of NPK fertilizer affected the number of dichotomous branches, dry stove weight, cumulative fruit, cumulative fruit weight, and fruit length at 1st harvest. NPK fertilization every 15 days increased the dichotomous branches by 23.16%, dry stove weight by 37.98%, cumulative fruits by 37.41%, and cumulative fruit weight by 41.46%. B foliar fertilizer and A foliar fertilizer gave the same performance in dichotomous branches. There was no interaction effect between the interval of NPK fertilization and the kind of foliar fertilizer on all growth and yield variables. NPK fertilization optimum intervals as supplementary fertilizers should be given every 15 days. This research can be used as a reference for farmers in fertilizing chilies.

Skrining dan Efektivitas Metabolit Sekunder Mikania micrantha pada Gulma Jajagoan serta Dampaknya terhadap Padi Sawah Alridiwirsah Alridiwirsah; Koko Tampubolon; Fransisca Natalia Sihombing; Wan Arfiani Barus; Irna Syofia; Tengku Boumedine Hamid Zulkifli; Zavandri Purba
Agrotechnology Research Journal Vol 4, No 2 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Secondary metabolites from Mikania micrantha could be expected to control barnyardgrass (Echinochloa crus-galli) characteristics and have an effect on lowland rice. This research was aimed to screening of secondary metabolites in M. micrantha extract, obtaining the greater extract concentration in suppressing the barnyardgrass growth, and determine the impact on the lowland rice characteristics. This method used was Randomized Completely Block Design in non-factorial within the concentration rates of M. micrantha extract using ethanol 96% (0%; 20%; 40%; 60%; 80%; 100%, and herbicide 2,4-D dimethylamine at the dose of 1 l ha-1 as a comparison). Lowland rice and barnyardgrass characteristics were analyzed using F-test and followed by DMRT at 5% with SPSS software. The result showed that M. micrantha had secondary metabolites include alkaloids, flavonoids, and tannins. The concentration at 20 to 100% significantly decreased the fresh- and dry-weight of barnyardgrass with the highest suppressing found in 60% concentration by 65.91% and 67.92%, respectively compared to un-sprayed. The concentrations at 20% and 60% were classified as inhibiting the growth biomass of barnyardgrass. The concentrations at 20%, 60%, and 80% can still encourage the tillers growth of lowland rice. An extract concentration of M. micrantha at 20% can be applied to inhibit the growth of barnyardgrass biomass and stimulate the lowland rice tillers.

Keragaan beberapa Varietas Sorgum terhadap Aplikasi Kitosan Iradiasi Ferdifta Wahyu Anggita; Puji Harsono; Retno Wijayanti; Supriyono Supriyono
Agrotechnology Research Journal Vol 5, No 2 (2021): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Sorghum is a versatile, drought-resistant cereal crop. Increasing sorghum production needs special attention, although Indonesia has the potential for sorghum development. Irradiated chitosan can be used as a plant growth promoter and organic fertilizer to improve the performance of sorghum. This study aims to provide recommendations for sorghum varieties that are suitable for development and planting in dry land and are known to be able to control pests organically with the application of chitosan irradiation with optimum concentration. The experimental design was a separate plot with sorghum varieties (Numbu, Keller, and Kawali) as the main plot and the irradiated concentrations of chitosan (without irradiation, 2, 4, and 6 ml.L-1) as subplots. The results showed that the sorghum variety and the optimum chitosan irradiation concentration of 2.76 and 5.15 ml.L-1 increased the dry weight of stover per plant by 93.04 g per plant and increased the sugar content of sorghum with Brix 15.03%. The varieties of Numbu, Keller, and Kawali significantly affected plant height, number of leaves, weight of 100 seeds, and plant fresh weight per plot or forage of sorghum.

Peran Solarisasi Tanah terhadap Pertumbuhan Patogen Tular Tanah dan Populasi Mikroba Tanah Evan Purnama Ramdan; Astri Afriani; Andini Hanif; Cheppy Wati; Nurholis Nurholis; Dwi Astuti; Widodo Widodo
Agrotechnology Research Journal Vol 6, No 1 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Soil-borne soil pathogens are pathogens that inhabit the soil and can survive for years in the soil, making them very difficult to control. Control with pesticides and fungicides harms the ecosystem, so other controls are needed such as soil solarization. This study aims to determine the growth response of soil-borne pathogens and soil microbial populations to soil solarization treatment. The study used a completely randomized design with 4 treatments consisting of solarization on soil media, solarization on soil and compost media, without solarization on soil media, and without solarization on soil media and compost on plastic trays. Each treatment was repeated 4 times. The soil-borne pathogens used were Sclerotium rolfsii and Rigidoporus lignisus. Each pathogen was planted in each planting medium with a depth of 5 and 10 cm. Then each tray is covered with 0.1 mm thick transparent plastic. Then given solarization treatment for four weeks. At the end of the observation, sclerotia and R. lignosus were grown on PDA media to be tested for pathogen survival and the solarization efficacy against pathogen growth was calculated. Soil samples from each treatment were also taken to calculate the soil microbial population. The results showed that soil solarization was able to suppress the growth of R. lignosus by 80-100% and S. rolfsii by 100%. Meanwhile, the microbes found in the soil solarization treatment consisted of groups of bacteria and fungi, respectively 7.67×104–1.90×107 CFU.mL-1 and 1.00×104–5.82×105 CFU.mL-1.

Efektivitas Asap Cair Kulit Buah Randu untuk Mengendalikan Walang Sangit Padi Iqbal Erdiansyah; Mochammad Fahrur Ramadhani; Damanhuri Damanhuri
Agrotechnology Research Journal Vol 5, No 1 (2021): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

The liquid smoke from pod shell of randu potentially serves as a botanical pesticide in rice farming and also provides an effective approach in controlling the rice ear bug (Leptocorisa oratorius). Also, the sample produces the maximum dominant compound as phenol (C6H5OH) to regulate these bugs. The research was conducted in Kaliwates district, Jember regency, between May-August 2018, using a non-factorial randomized block design with four treatments, that are control-no treatment, formulation 3, 6, and 9 ml.L-1, in six replications. Consequently, the samples of 3, 6, and 9 ml.L-1 obtained a significant effect, in terms of pest control, attack intensity, empty grain percentage, and dry grain weight per sample. The result showed that the maximum and minimum attack intensity occurred in no treatment samples and formulation 9 ml.L-1 treatments, with an average of 35.31 and 23.13%, respectively. Therefore, the liquid smoke of kapok tree fruit skin peels has been confirmed to effectively control the pest population of rice ear bugs.

Dampak Defisiensi dan Toksisitas Hara Magnesium terhadap Karakteristik Agronomi dan Fisiologi Padi Gogo Aisar Novita; Koko Tampubolon; Hilda Julia; Fitria Fitria; Arie Hapsani Hasan Basri
Agrotechnology Research Journal Vol 6, No 1 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Deficiency or excess magnesium in the soil can affect the vegetative and generative growth of plants. This study aimed to identify the effect of magnesium deficiency and toxicity on the agronomic and physiological characteristics of upland rice. The study was conducted on farmers' land, Medan Selayang Subdistrict, Medan City, from June 2021 to January 2022. This study used a non-factorial randomized block design, namely the application of 27% MgO fertilizer based on the deficiency rates, (0; 1/2; 1/4; 1/8; 1/16; 1/32 times), while the toxicity levels include 0; 2; 4; 8; 16; 32-times within three replicates. The results showed that Mg deficiency significantly inhibited the growth of plant height; leaf area; total chlorophyll SPAD; panicle length; shoot dry weight; and yield.ha-1 were 20.68; 26.77; 19.23; 22.60; 44.20; and 50.72%, respectively. The Mg toxicity significantly inhibited the growth of the leaf area, the number of tillers, number of productive tillers, shoot dry weight, and root dry weight were 14.24; 32.15; 42.87; 34.07; and 44.31%, respectively. The critical limit (BK50) for upland rice caused by deficiency and toxicity of Mg were 0.032 and 1125.189 g/10 kg of the soil, respectively.

Pengaruh Trichoderma harzianum dan Nano Silika Terhadap Penyakit Moler dan Produksi Bawang Merah Muhammad Akhlishil Ishlah; Budi Adi Kristanto; Florentina Kusmiyati
Agrotechnology Research Journal Vol 6, No 2 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Twisted disease is one of the important diseases that can decrease shallot yield.The purpose of this experiment was to examine the effect of the interaction Trichoderma harzianum and nano silica on twisted disease and shallot yield. The research was conducted in Platar, Mangunjiwan, Demak and the Laboratory of Ecology and Plant Production, Faculty of Animal and Agriculture Science, Undip, on April – Agustus 2022. The experimental design used factorial completely randomized design with three replications. The first factor was T. harzianum consisted of three levels (P0 = 0 (control), P1 = 10, and P2 = 20 g plant-1). The second factor was nano silica concentration with four levels (S0 = 0, S1 = 1000, S2 = 2000, and S3 = 3000 ppm). The results showed that application of T. harzianum 20 g plant-1 or nano silica 3000 ppm had the lowest disease intensity 2,74 % and 2,48 % observed at 20 days after planting and 11,81 % and 10,81 % observed at 40 DAP. Combination T. harzianum 20 g plant-1 and nano silica 3000 ppm resulted in the highest yield parameters which were tuber diameter (2,370 cm), number of tubers (6 tubers), tuber fresh weight (36,2 g), and tuber dry weight (28,7 g). Treatments of T. harzianum and nano silica did not significantly affect the infection rate and number of leaves, but application of T. harzianum 20 g plant-1 and nano silica 3000 ppm showed a decrease in twisted disease intensity and the highest shallot yield.

Karakter Perakaran Sejumlah Varietas Kopi Arabika pada Fase Bibit di Pesemaian Ari Wibowo
Agrotechnology Research Journal Vol 5, No 1 (2021): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Roots represent the fundamental structure and material transport systems in plants. These important organs are used to study the adaptation processes in the environment. During the nursery stage, root evaluation serves as determining the seedling quality before transplant. This research aims to ascertain the root characteristics of several Arabica coffee varieties for a suitably vigorous root nursery system. Kaliwining Experimental Garden, Jember, Indonesia, served as the research location. The method used was a completely randomized design with a single factor, including arabica coffee varieties (Abesinia-3, Andungsari-1, BLP-4, Gayo-1, K-08, K-29, K-34, K-79, K-130, Kartika-1, Kayumas and Sigararutang). The result showed that the differences in the various sample factors significantly influenced the root properties. In addition, the entire observation parameters demonstrated a positive correlation except for the root and shoot ratio. Furthermore, BLP-4 v obtained the maximum values for plant height, stem diameter, fresh dry weight of taproot, and root biomass, while Gayo-1 variety observed the greatest number of leaves. Also, the Sigararutang variety indicated the highest value of the fresh and dry weight of shoot, fresh weight of lateral roots, and root length, while Kayumas and K-34 varieties acquired the lowest values of plant height, fresh and dry weight of shoot and root, as well as root length. Therefore, BLP-4, Gayo-1, and Sigararutang varieties exhibited the potentials of broader adaptability.

Growth and Yield of Soybeans in Various Growing Media Composition and Inoculation of Rhizobacteria on Marginal Soils Aditya Aris Kurniawan; Pauliz Budi Hastuti; Arif Umami
Agrotechnology Research Journal Vol 5, No 2 (2021): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Soybean is one of the leading commodities that is being developed in Indonesia. Today, the increase of soybean needs is not followed by its production capacity. Meanwhile, the area of productive land for soybean farming is decreasing due to land conversion for non-agricultural needs. One effort that can be an alternative is using marginal land by applying appropriate technology such as manure and biofertilizer. So that, it was necessary to know the composition of manure and biofertilizer, which was appropriate to increase the growth and yield of soybean plants on marginal soils. Complete Randomized Design was used in the experiment with two factors. The first factor was the ratio of manure: soil (v:v) there are 0:1, 1:1, 1:2, and 2:1. The second factor was rhizobacteria inoculum, which included without rhizobacteria, exogenous rhizobacteria, and indigenous rhizobacteria. Results showed that the composition of the best planting medium for growth and yield of soybean is manure: soil 1: 1 and 1: 2. The source of the rhizobacteria inoculum is not a significant difference to the soybean’s growth and yield. Manure and soil 1: 2 with indigenous inoculum tended to produce the best total number of nodules and effective root nodules. Manure and soil 1:1 with indigenous inoculum produce the best of seeds number. Manure and soil 1:2 or 2:1 with exogenous inoculum tended to produce the best seed index weight (g per 100 seeds).

Efek Radiasi Sinar Gamma pada Pertumbuhan Vegetatif Anggrek Vanda Hibrid Sri Hartati; Abednego Widya Setiawan; Trijono Djoko Sulistyo
Agrotechnology Research Journal Vol 6, No 2 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Orchids are one of the most important ornamental plants in the world. The existence of natural orchids in their habitat is approaching extinction rate, so it is necessary to increase the diversity of orchids by crossing them. The Vanda orchid is one of the famous orchids in Indonesia because of its uniqueness. Vanda orchids have a very abundant diversity, so they can increase the potential of orchid plants. This study used a hybrid orchid plant Vanda celebica x Vanda dearei irradiated by Gamma-rays with a dose of 0 Gray, 10 Gray, 20 Gray, 30 Gray, 40 Gray, and 50 Gray. The data obtained from the observations will be analyzed using descriptive methods by observing each plant in various doses of Gamma-ray radiation compared with control treatment and presented in the form of boxplot images. The irradiation dose of hybrid Vanda orchids (Vanda celebica x Vanda dearei) increased the diversity in the parameters of plant height and leaf width. The application of a dose of Gamma-ray irradiation did not cause a significant interaction with the variable number of leaves. The diversity value decreased in the parameters of leaf length and number of roots. Application doses of Gamma-ray irradiation of 10, 20, and 30 Gray can change the leaves into grooves compared to control plants. Mutant plants had lower chlorophyll content than control plants (0 Gray).

Page 9 of 14 | Total Record : 140

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