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Jl. KH. Wahid Hasyim No. 28 RT.007 Kelurahan Sempaja Selatan, Kecamatan Samarinda Utara, Kota Samarinda, Provinsi Kalimantan Timur
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Agrifarm
Published by Universitas Widya Gama Mahakam Samarinda
ISSN : 23019700     EISSN : 25408992     DOI : https://doi.org/10.24903
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
AGRIFARM is Agricultural Science Journal, Faculty of Agriculture Agrotechnology Study Program, Widya Gama Mahakam University with pISSN 2301-9700 and eISSN 2540-8992 publish twice a year in July and December, which publishes scientific work on research, development, thought studies or theoretical studies related to agricultural technology and development. This journal receives scientific writing in the form of a research report (Original article research paper) with focus and scope covering Agronomy, Geology, Agribusiness, Pests and Diseases, Agricultural Technology, Agricultural Counseling
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
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Search results for , issue "Vol 7 No 2 (2018): December" : 6 Documents clear
Aplikasi Pemupukan Terhadap Pertumbuhan Tanaman Aren Genjah (Arenga pinnata) dan Tanaman Kakao (Theobroma cacao) Pada Penanaman Sistem Jalur Yetti Elidar
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.413 KB) | DOI: 10.24903/ajip.v7i2.429

Abstract

Planting with a lane system in palm sugar and cacao plants is a technique of plantation cultivation that aims at soil conservation and microenvironment. Plant cultivation in the field needs to get a supply of fertilizer to increase crop productivity. This study aims to determine the effect of giving SP-36 and KCl fertilizer to the best growth of sugar palm and cacao plants in the planting of path systems. The research was conducted on land in Badak Mekar Village, Muara Badak District, Kutai Kartanegara Regency, East Kalimantan. The research method used a Randomized Block Design (RBD) and repeated 4 times. Factorial experiments consisted of 2 factors, as the first factor was SP-36 fertilizer (p) consisting of 3 levels: p0 = 0 kg plant-1 (control); p1 = 0.25 kg of plant-1; p2 = 0.5 kg of plant-1. The second factor was KCl (k) fertilizer consisting of 3 levels: k0 = 0 kg plant-1 (control); k1 = 0.25 kg of plant-1; k2 = 0.5 kg of plant-1. The variables observed included: (1) Arenaceous plants: increase in caudal circumference, increase in the fifth midrib length, increase in the number of midribs, increase in number of leaflets on the fifth midrib and (2) Cocoa plants: increase in plant height, increase in stem circumference, the number of cocoa fruits, the intensity of pest and disease attacks on cocoa fruit. Observations on each variable were carried out at 3 and 6 months after treatment (mat). Data were analyzed by variance and if there were significant differences, it was followed by the Smallest Significant Difference Test (LSD) at the level of 5%. The results of the SP-36 fertilizer treatment showed very significant differences in all observation variables in early maturing palm trees and aged 3 bsp and 6 bsp cacao plants. The treatment of SP-36 fertilizer at a dose of 0.5 kg plant-1 (p2) gave the best growth of early maturing sugar palm plant 6 in the increase of the fifth midrib length, increase in bulb circumference, increase the number of midribs and increase the number of leaflets on the fifth midrib - each 137.17 cm, 25.58 cm, 3.25 strands and 39.08 strands. Likewise in the age of 6 bsp cocoa plants SP-36 fertilizer with a dose of 0.5 kg plant-1 (p2) gave the best growth in plant height increase, increase in stem circumference and number of cocoa fruit, each 18.92 cm, 8.25 cm and 25.25 pieces. The treatment of KCl fertilizer and the interaction between SP-36 and KCl fertilizers showed no significant difference in all observation variables in early maturing and cacao plants. Observations of pest and disease attacks on cocoa fruit with the intensity of pest attacks 0.00-23.47% were included in the category of minor damage and the intensity of disease attacks 0.00-66.30% which fall into the category of moderate damage.
Peranan Kompos Sampah Pasar Dengan Bioaktivator Mol Dan Trichoderma Terhadap Peningkatan Sifat Biologi Tanah Bekas Tambang Batubara Roro Kesumaningwati; Nurul Puspita Palupi
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.908 KB) | DOI: 10.24903/ajip.v7i2.430

Abstract

The former coal mines experienced biological changes that caused biodiversity loss compared to natural ecosystems. Habitats decline dramatically when changes from natural ecosystems to open land occur. The frequency of land processing due to land reclamation activities has a major impact on soil organisms. Coal mining activities result in a decrease in the population of microorganisms and the activity of soil fauna, mainly due to changes in soil temperature, humidity, and the amount and quality of organic matter. This research was conducted for 1 (one) fiscal year. This research includes the making of microorganism solutions, Trichoderma enrichment, composting from market waste with bioactivator moles and trichoderma, incubating ex-coal mine land by utilizing compost, and analyzing the total population of soil microorganisms. The results showed that 1. There was an increase in the population of microorganisms in the soil that were applied to market waste compost, 2. Mushrooms found on ex-coal mine land that were applied with market waste compost with Trichoderma bioactivator, and banana weed MOL were: Aspergillus, Trichoderma, Fusarium, Mucor, Phytium, and Gliocladium, while the bacteria found were basil gram (-) Azotobacteraceae and cocci gram (-) Azotobacteraceae.
Biodiversitas Mikroba Rizosfer Tanaman Jeruk Keprok Borneo Prima (Citrus reticulata cv Borneo Prima) Purwati Purwati; Hamidah Hamidah
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (236.363 KB) | DOI: 10.24903/ajip.v7i2.431

Abstract

Borneo Prima tangerine (Citrus reticulata cv Borneo Prima) is an indigenous plant from Tanjung Labu Village, Rantau Pulung District, East Kutai District, East Kalimantan Province. In the cultivation of these plants, there are pathogens that can cause a decrease in crop yields. This study aims to identify the diversity of rhizosphere microbial populations in Borneo Prima tangerine plants. The study was conducted at the Laboratory of Plant Pests and Diseases of the Faculty of Agriculture, Mulawarman University Samarinda in February-April 2018. This study was descriptive, using a survey method. The study consisted of two stages, namely (1) soil sampling on Borneo Prima tangerine citrus land in Makroman Village, Kutai Kartanegara Regency, East Kalimantan (2) isolation, characterization, identification, gram test, in the Laboratory of Pests and Plant Diseases. The data obtained were analyzed using quantitative descriptive analysis. The results of the study of the isolation of rhizosphere microbes in Borneo Prima tangerine citrus plants obtained 1 family of bacteria namely Azotobacteraceae and 4 fungal genera including Aspergilus, Mucor, Penicillium and Trichoderma. Microbes that belong to the group that benefit the soil ecosystem are Azotobacteraceae because they play a role in fixing (fixation) N2 or as biofertilizers. While the genus Mucor and Penicillium act as decomposers and Trichoderma acts as a controller of pathogens or biological agents and biological pesticides (biopestiside).
Pengaruh Perlakuan Pemangkasan Dan Pemberian Pupuk Solid Terhadap Pertumbuhan Dan Produksi Tanaman Kedelai (Glycine max L. Merril) Mahdalena Mahdalena; Abdul Rofik; Tiara Sartika Sari
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (197.502 KB) | DOI: 10.24903/ajip.v7i2.432

Abstract

Soybean is an important food crop after rice and corn. Soybean production in East Kalimantan based on the 2014 forecast rate is estimated at 1,263 tons of dry seeds. Compared to 2013 production (ATAP 2013) there was a decrease of 139 tons (9.91%) (BPS, 2014). The low productivity is because the technique of managing soybean plants is still not optimal. Efforts to increase soybean productivity can be done by conducting intensive cultivation techniques. One of the cultivation techniques that can be done is by technical methods, namely crop trimming and intensive agricultural cultivation can be done in various ways including fertilization. The study was carried out for 5 months, namely from January to May 2018. The research site was on experimental land owned by the Faculty of Agriculture, Widya Gama Mahakam Samarinda. This study used a Randomized Block Design (RBD) with a 2 x 3 factorial experiment consisting of 3 replications. The first factor is Pruning which consists of 2 levels: namely p0 (without pruning), p1 (vegetative phase V4 pruning). The second factor is the dose of Solid fertilizer consists of 3 levels, namely s0 (without fertilization), s1 (5 kg / plot), s2 (10 kg / plot). The results showed that the pruning (P) treatment had a significant effect on the parameters of the number of productive branches and had no significant effect on height, flowering age, number of pods, weight of 100 seeds, weight of crop seeds and weight of mapped seeds. While giving Solid (S) fertilizer does not significantly affect all parameters. But the interaction of the treatment of pruning and giving Solid (PS) significantly affected the parameters of the number of productive branches.
Efektifitas Pemberian Stimulant Better dan Waktu Sadap Terhadap Produksi Lateks Tanaman Karet (Hevea brasiliensis Muell Arg Engelbertus Huvat; Akhmad Sopian; Tutik Nugrahini; Zainudin Zainudin
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (204.295 KB) | DOI: 10.24903/ajip.v7i2.433

Abstract

The factors that influence rubber production are planted clones, plant care and tapping techniques. With the right tapping technique, both tapping time, tapping method and mature tapping age, the production potential of a superior clone of rubber plants that has been well maintained can be maintained. The technique of rubber tapping is closely related to the expected level of production, even very determining the age of the tree economy. The research objective was to determine the effect of stimulant better and tapping time on latex production. The method used was a randomized block design with two-factor split plot design. The first factor (main plot) is the time of tapping consists of 3 levels, namely; w1: 05 in the morning, w2: 06 in the morning, w3: 07 in the morning. The second factor (sub-plot), namely the stimulant dosage better consists of 4 levels, namely; b0: control, b1; 0.5 g, b2; : 1 g, b3; 1.5 g. The results showed that stimulate better treatment had a significant effect on latex volume, wet weight and latex dry weight, but was not significant for latex dryness levels. Tapping time was not significant for latex yield, latex volume, wet weight, latex dry weight and highest dry rubber content at 7am. Stimulant Better treatment has a significant effect on latex volume, wet weight, and latex dry weight, but if given at high doses it will reduce the dry content of rubber. The interaction of treatment when tapping and stimulant is better not significant for latex production. The stimulant application better does not exceed the dose of 0.5 g / principal. Doses> 0.5 g / staple will have an impact on the dry tapping field.
Kajian Penggunaan Biourine Sapi dan Ekstrak Bawang Merah Terhadap Sifat Agronomi Tanaman Kubis (Brasicca oleracea L.) Dataran Rendah Tutik Nugrahini; Asiah Wati; Dwi Indriani
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (265.311 KB) | DOI: 10.24903/ajip.v7i2.434

Abstract

Cabbage (Brasicca oleracea L.) is one type of vegetable plant from the Brassicaceae family. This plant is a source of nutrients that contain nutrients, vitamins, minerals and fiber for the human body. And has economic value. Cabbage cultivation is influenced by the types of cultivated varieties that are in accordance with growing conditions. In general, cabbage plants grow on highlands. Along with advances in plant breeding technology, cabbage plants are available that can adapt to the lowlands and technically attempt to increase production by fertilizing. The study aimed to determine the effect of beef biourine, red onion extract and beef biourine and red onion extract on the agronomic properties of cabbage plants. The study was conducted for 4 months, from February to June 2018. The location of the study was carried out in the Sempaja Timur Village, Samarinda City, East Kalimantan Province. cabbage seeds, top soil, manure, husks, NPK fertilizer, cow urine, empon-empon, soybeans, brown sugar, shallots. The design used in this study is Factorial Randomized Block Design (RBD) with 2 treatments. The first treatment was beef biourine (S) with 4 levels, namely with 3 replications: s0: control (water), s1: 25% concentration of cow biourine, s2: 75% concentration of bovine biourine, s3: 100% concentration of bovine biourine and second treatment red onion extract (B) with 4 levels, namely: b0: control (water), b1: 25% concentration of red onion extract, b2: 75% concentration of red onion extract, b3: 100% concentration of shallot extract. The results of research on bovine biourine influenced plant height, number of leaves at ages 7, 14, 21, 28.35 and 42 days after planting. The weight of the crop with the best results at the level of b2 (75% biourine cow) weighing 596.58 grams, onion extract affects plant height, number of leaves at 7, 14, 21, 28.35 and 42 hst, crop weight with the best results at the m2 level (75% red onion extract) with a weight of 567.14 grams and the interaction of the treatment of beef biourine and shallots affects plant height, number of leaves at the ages of 7, 14, 21, 28.35 and 42 days and days formed at the level b2m2 (75% beef biourine and 75 red onion extracts).

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