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Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian
Published by Universitas Medan Area
ISSN : 25487841     EISSN : 2614011X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrotekma is a Scientific Journal of Agro Technology located at the Faculty of Agriculture, University of Medan Area. Journal of Agrotekma presents the results of research with quantitative and qualitative approaches that are sourced on the development of cultivation research of plants and the protection of organic crops that are environmentally friendly and sustainable. It is published twice a year, every December and June.
Arjuna Subject : -
Articles 183 Documents
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Uji Formulasi Pupuk Hayati Cair dengan Penambahan Bacillus Cereus terhadap Pertumbuhan dan Hasil Tanaman Jagung Manis (Zea Mays Saccharata Sturt) Hapsoh, Hapsoh; Dini, Isna Rahma; Rahman, Abdul
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4181

Abstract

This study aims to determine the effect of giving several liquid biological fertilizer formulations with the addition of B. cereus and get the best formulation to increase the growth and yield of sweet corn. The field experiment was conducted in the Faculty of Agriculture experiment station, Riau University located in Pekanbaru from July 2018 to October 2018. The research was carried out experimentally using a completely randomized design consisting of five treatments with fourreplications. The treatments tested were P1: B. cereus without formulation, P2: 100 ml B. cereus + 1 l wastewater of rice + 1 g chitin + 100 ml molasses, P3: 100 ml B. cereus + 1 l wastewater coconut + 1 g chitin + 100 ml molasses, P4: 100 ml B. cereus + 1 l tofu liquid waste + 1 g chitin + 100 ml molases, P5: 100 ml B. cereus + 1 l palm oil mill effluent + 1 g Chitin + 100 ml molasses. The parameters observed were plant height, age of female flower emergence, harvest age, stem diameter, weight of cob withcornhusk, weight of cob without cornhusk, length of cob without cornhusk, diameter of cob without cornhusk, number of rows of corn kernels. The results showed that all treatments have not been able to improve the growth response and yield of corn plants and all formulations of B. cereus biological fertilizer tested have not found the best formulation.
Aplikasi Beberapa Jenis Dan Dosis Mikroorganisme Lokal Limbah Tomat Dan Sayuran Dalam Meningkatkan Pertumbuhan Dan Hasil Tanaman Cabai (Capsicum Annum L.) Panjaitan, Fany Juliarti; Lele, Onesimus Ke; Taopan, Rizki Adiputra; Kurniawan, Yohanes
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4479

Abstract

Go organic in 2010 is a program launched by the government to produce organic agricultural products. The organic red chili plant is one of the products of the go organic program in 2010 which has high economic value, so it is necessary to increase the red chili plant the productivity. The use of local microorganisms can be used as an alternative in producing organic chili products. This study aims to determine the effect of type and dose of the best local microorganism on the growth and yield of chili. The study used a factorial randomized block design consisting of two factors. The first factor was local microorganisms (P) type consisting of 3 levels: P1(vegetables), P2(tomatoes), and P3(vegetables and tomatoes), the second factor was local microorganisms (D) dose consisting of 5 levels: D0: 0 cc/L of water, D1: 25 cc/L, D2: 50 cc/L, D3: 75 cc/L, D4: 100 cc/L. The results showed that P3D1 is the best treatment in increasing plant height, flowers number and accelerating 80% flowering age. Treatment of MOL P1 type and 25 cc/L dose is the best treatment in increasing the chili plants diameter. P3D4 is the best treatment in increasing the chilies wet weight per plant.
Pemanfaatan Beberapa Jenis Arang Aktif sebagai Bahan Absorben Logam Berat Cadmium (Cd) pada Tanah Sedimen Drainase Kota Medan sebagai Media Tanam Rahman, Abdul; Aziz, Rizal; Indrawati, Asmah; Usman, Muhammad
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4240

Abstract

The purpose of this two-year research is to find methods and theories of soil cultivation for the Medan city drainage sediment which makes the city drainage shallow. Improving the environmental quality of Medan city by cultivating trench sediment soil into a horticultural planting medium. Obtaining a neat, comfortable and helpful city condition for the Government, especially the Public Works Office of Medam City. It will be avoided from flooding due to smooth city drainage and clean environment. The results of the study can be concluded that the activated charcoal treatment is used from a number of activated charcoal ingredients (Coconut Shell, Wood Sawdust Waste and Kendaga Karet) with measurement criteria namely char yield, water content, ash content, volatile content, carbon fish power, iodine absorption from as a whole it has a good value to be used as activated charcoal which has a value above the minimum limit, namely water content below the maximum value (<15%), ash content <10%, carbon binding capacity> 60%, evaporation power <25% and iodine absorption. > 750 mg. All of these parameters are in accordance with the national standard of SNI 06-3730-1995. The second conclusion is that the absorption of metals to heavy metalsPb, Cd and Cu, has a good ability even though it is small because the metal content from the start is below the quality standard, the concentrations tested are 0, 1, 3, 5, 7, and 9. While the best is obtained of the reduction rate in heavy metal Cd, and is 7 grams / kg of soil sample.Keywords: 
Proyeksi Pengembangan Komoditas Kelapa Dalam Secara Kewilayahan Berbasis Sumberdaya Lahan Dalam Rangka Mendukung Pembangunan Perkebunan di Kalimantan Tengah Bhermana, Andy; Prasetiyo, Sandis; Irwandi, Dedy; Agustini, Sri
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4031

Abstract

The development of coconut as one of the prime commodities in Central Kalimantan is required to contribute national export needs. The results of analysis and evaluation of landsuitability indicated that at regional level of Central Kalimantan, the land suitability class for coconut is class S3 (marginally suitable). The main limiting factors found in wetland typology include presence of peat, drainage, nutrient availability and soil acidity. Whereas on dry land is soil acidity, slope and nutrient availability. The results of further spatial analysis explain that the potential areas for the coconut commodity development in Central Kalimantan is 3,499,712 Ha or 22.65% of the total areas. Spatially, the potential of development areas are spread within almost every district. There are 2 areasthat is not designated for coconut development, namely the city of Palangka Raya and Murung Raya regency due to limiting factors existence such as sandy soil type and steep slope (> 30%). Regional development strategies for coconut commodities can then beallocated to areas that have abandoned land areas. While at areas surrounding by settlements, they can be implemented by the use intercropping farming systems at the age of coconut growth for less than 3 years n order to optimize the land resources and climate productivity while at the same time increasing the income.
Resistensi Bibit Kelapa Sawit dengan Perlakuan Trichoderma Sp., Mikoriza, dan Pupuk Kcl terhadap InfeksiInokulum Ganoderma Boninese Wahyuni, Mardiana; Yosephine, Ingrid Ovie
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4406

Abstract

Root rot disease caused by the Ganoderma boninense fungus is a serious problem in oil palm cultivation. Initially this disease attacks mature plants, plants of the 3rd generation; but at this time Ganoderma disease has attacked immature plants and nurseries. Ganodermapathogens are soil borne. Improvement of growing conditions needs to be improved with the application of chemical fertilizers and the use of biological agents such as Trichoderma and Mycorrhizae. This study aims to determine the resistance of oil palm seeds with KCl, Trichoderma, and Mycorrhizal fertilizer treatments. The Ganoderma inoculum is infused in the form of a Rubber Wood Block (RWB). The research design was a factorial randomized block design consisting of 3 treatments, namely Trichoderma (T0, T1,T2), Mycorrhizae (M0, M1, M2), and KCl fertilizer (K0, K1, K2). There were 18 treatments with 3 replications. Observation parameters were seed height, number of leaves, roots, and attack intensity. The growth of seedlings at the 3rd and 5th months showed that the growth of seedlings was due to Ganoderma infection. Trichoderma and mycorrhizal treatment increased the number of healthy roots and crown dry weight. The treatment of KCl fertilizer only plays a role in root health. The best treatment is T1M2K1.Keywords:
Keberhasilan Pertautan Sambung Pucuk Beberapa Varietas Mangga (Mangifera Indica) dengan Panjang Entres yang Berbeda Maulana, Orezae; Rosmaiti, Rosmaiti; Syahri, Muhammad
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4006

Abstract

This research aims to determine the success of the graft (Mangifera indica) with a variety of mango varieties. This research was conducted in CV. Hutanku District of Birem Bayeun, East Aceh District Aceh Province with a height of place ± 10 m above. The research was held in Februai until May 2020. The study uses the random Design Group (RAK) factorial pattern consisting of two factors: the firstfactor is the mango plant varieties (V), which consist of 3 levels namely: V1: Arumanis, V2: Manalagi, V3: Apples. The second factor is the long entres Mango Plant (P), which consists of 3 levels namely: P1: Length of entres 10 cm, P2: Length of Entres 12.5 cm, P3: Length of entres 15 cm. Thus acquired 9 treatment combinations with 3 repeats, thus obtained 27 units of trial. Each unit of trial consists of 2 plants in the polybag used as sample. The results of the study showed a very real effect of mango varieties on plant life percentage at age 4, 6 and 8 MSG, high shoots at the age of 4, 6 and 8 MSG, Diameter shoots at ages 4, 6 and 8 MSG, the number of leaves aged 4, 6 and 8 MSG. The best results were obtained in the V1 (Arumanis) treatment. The length ofentres has no noticeable effect on the percentage of life, height buds, diameter buds and the number of leaves at ages 4, 6 and 8 MSG. The interaction between the varietal and long entres has no noticeable effect on the percentage of life, height buds, diameter buds and the number of leaves at ages 4, 6 and 8 MSG.
Isolasi Bakteri Rhizosfer Resisten Pestisida dan Herbisida pada Berbagai Jenis Tutupan Lahan Apriliya, Indah; Prasetyo, Dedy; Selvany, Remila
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4466

Abstract

The use of microbes as bioremediation agents is an alternative strategy to reduce residual or pesticide resistance. This study utilized rhizosphere microbes from various land covers as isolates. Soil samples used came from the rhizosphere of papaya, bamboo, peanuts, rice fields, maize, sweet potatoes, forest plants, cucumbers and guava. Isolation was carried out using Minimum Salt Agar (MSM) media which added 50 and 100 ppm of pesticide or herbicide. Microbes that were able to grow at a concentration of 100ppm were used as the selected isolates. Furthermore, the isolates were characterized by morphology and physiology such as; gram test, motility, pathogenicity, oxygen demand. As well as testing the microbial activity of selected isolates on the soil through a soil respiration test contaminated with herbicides and pesticides using sterile soil. A total of 5 selected isolates were used in the respiration test, namely with the code JMH, SH, HH, JP and TP. Of the 3 isolates that have the potential to degrade pesticides, the isolates with the JP code of 15.6 mg C-CO2 / g / day produced the highest respiration value. Meanwhile, of the 2 isolates had the potential to degrade herbicides, the isolates with the SH code of 9.6 mg C-CO2 / g / day produced the highest respiration value. These isolates have potential as biodegradation agents for pesticides and herbicides, so it is necessary to continue for further analysis regarding quantification and the mechanism of biodegradation.
Teknologi Pemanenan Aliran Permukaan (Run Off) Pada Pertanian Lahan Kering Bafdal, Nupilihan
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 1 (2020): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Desember
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i1.4174

Abstract

The area of dry land in Indonesia is quite high, reaching 148 million hectares spread across each of the Indonesian archipelago. Usually farmers plant dry land with rice, palawidja or other annual crops such as coconut, cassava and tree crops. Dry land has constraints, namely limited water for plants, especially in the dry season, because it only relies on water from mere rain sources; that is why land productivity is not optimal which in turn will have an impact on crop yields. The purpose of this study is to examine the harvesting run off in dry land, and can be managed as a source of irrigation water, so that productivity and carrying capacity of land can be increased. The research method uses descriptive analytic survey method that observes field conditions, mapping field locations and analysis of potential run-off. The results showed that the pool harvesting surface runoff during the rainy season was 43 m3. Dry land can increase IP of 2 by planting patterns, namely sweet corn -sweet corn -sweet potato. Water balance analysis shows that the water deficit period occurred in May to September. Surface harvesting technology as a source of irrigation water can meet water needs in the dry season.
Pengaruh Dosis Dan Waktu Aplikasi Poc Ampas Kopi Terhadap Pertumbuhan Benih Tebu Bud Set Varietas Cening Pramana, Waskitha Budi; Hartini, Hartini
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 2 (2021): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Juni
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i2.5031

Abstract

This study aims to determine the dose and time of application of the best coffee dregs Liquid Organic Fertilizer (POC) for sugarcane seedlings (Saccharum officinarum L.) cening variety bud set. The sugarcane seeds used are obtained from PG. Lestari, Patianrowo, Nganjuk, East Java. The study was compiled using a randomized block design (RBD) with 2 treatment factors. The first factor is the POC dosage of coffee dregss with treatment variations P0 without fertilizer application, P1 with a dose of 10ml / liter of water, P2 30ml / liter of water, and P3 50ml / liter of water. The second factor is application time with 3 variations of treatment, namely M1 POC applied to sugarcane 1-3-5 weeks after planting (MST), M2 at sugarcane age 2-4-6 MST, and M3 at sugarcane 3-5-7 MST age. Data analysis used variance (ANOVA) with a significant 5%, if there is a significant difference, continue with the Duncan Multiple Range Test (DMRT). The results showed that the interaction between dose treatment and application time of coffee dregs POC had no significant effect on plant height, number of leaves, stem diameter, root length, wet weight and dry weight. Different dosage treatments had a significant effect on plant height, number of leaves, root length, wet weight and dry weight. Different application time treatments had a significant effect on plant height, wet weight and dry weight. The best dosage for coffee dregs POC for sugarcane is 30 ml / liter of water. The best application time for coffee dregs POC is at the age of 3-5-7 MST sugarcane.
Karakterisasi Produk Yoghurt Susu Nabati Kacang Arbila (Phaseolus lunatus L.) Nalu, Fitrian Narti Hona; Ledo, Mellisa Erlyn; Solle, Hartini Realista Lydia
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol 5, No 2 (2021): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, Juni
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v5i2.4861

Abstract

Arbila beans (Phaseolus lunatus L.) is one of the genetic resources of East Nusa Tenggara. It has not been optimally utilized. It is, therefore, necessary to produce food products that have good economic value to increase people's purchasing power. Yogurt is one of them. The purposes of this study were to determine the process of making yogurt from Arbila beans (Phaseolus lunatus L.), to obtain a profile of Arbila bean yogurt with the right composition, and to analyze its nutritional content, panelists' preference and safety for consumption observed from the coliform test results. The method used in this study was the experimental method carried out in four stages; 1) the making of Arbila bean yogurt in four treatments; Control (10% plain biocule), A1 (20% of plain biocule), A2 (30% of plain biocule), A3 (45% of plain biocule); 2) proximate test; 3) organoleptic test; 4) coliform test. The results of the proximate analysis indicated that the highest protein content of 4.32% was found in yogurt A3, while the highest carbohydrate content was 12.45% and the lowest fat was 0.32% in A1 yogurt. Organoleptic test results indicated that the highest preference for panelists in Arbila bean yogurt A3. Coliform test results showed negative results for the presence of Escherichia coli in all treatments. Therefore, Arbila bean yogurt with the composition of A3 (45% of plain biocule) is recommended as a good Nabati yogurt made of soya.

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