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Mihwan Sataral
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CELEBES Agricultural
Published by Universitas Tompotika Luwuk
ISSN : 27237974     EISSN : 27237966     DOI : https://doi.org/10.52045/jca
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
CELEBES Agricultural: The publisher is the Faculty of Agriculture, University of Tompotika Luwuk. The journal article covers the results of research and policy analysis that can be applied in agricultural practices and sciences such as agronomy, soil science, pests, and plant diseases, entomology, agricultural engineering, agricultural industrial technology, food technology, biology, biodiversity, climatology, animal husbandry, forestry, and socioeconomic agriculture.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 2 No. 2 (2022): CELEBES Agricultural" : 5 Documents clear
Vegetation analysis and the effectiveness of methyl metsulfuron herbicide to control weeds in immature oil palm plantation Asma Pani; Ardi; Siska Efendi
CELEBES Agricultural Vol. 2 No. 2 (2022): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.723 KB) | DOI: 10.52045/jca.v2i2.280

Abstract

One of the obstacles faced in oil palm cultivation, especially in the immature plant phase, is weeds, weeds can inhibit oil palm growth. So that weeds require special attention during cultivation, the presence of these weeds will become competitors for oil palm plants in fulfilling nutrients, light and water. This study aims to determine the composition of the types and vegetation structure of weeds in immature oil palm plants in large plantations so that the dose of herbicide with active ingredient Methyl Metsulfuron 20% is effective in controlling weeds in immature oil palm plantations in large plantations and studying the phytotoxicity of herbicides made from 20% active Methyl Metsulfuron in immature oil palm trees in large plantations. This study used a randomized block design (RBD), which consisted of 7 levels of treatment, 5 of which used the herbicide methyl metsulfuron 20% at a dose of 87.50 g / ha, 75.00 g / ha, 62.50 g / ha, 50.00 g / ha, 37.50 g / ha. ha and 2 including mechanical and control weeding which is repeated 4 times. Data analysis was performed with the F test, followed by the DMRT test at 5% level. The results showed that there were two species of weeds that dominated the research area, namely B. mutica and A. gangetica weeds with SDR values of 33.13% and 24.73%. The application of herbicides made from 20% methyl metsulfuron as active ingredients in controlling weeds in immature oil palm plantations is able to control 2 types of weeds, namely weeds including Melastoma malabathricum, Clidemia hirta with the best dose of 50.00 g / ha and 37.50 g / ha from the first 4 weeks up to 12 Weeks After Application (MSA).
Fertilization Recommendations Based on Nutrition Status of N and K on Rainfed Rice field in Mantoh District Iqbal Akase; Hidayat AM Katili
CELEBES Agricultural Vol. 2 No. 2 (2022): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.291 KB) | DOI: 10.52045/jca.v2i2.281

Abstract

This study aims to recommend fertilization based on the nutrient status of N and K in rainfed rice fields; therefore, it is necessary to conduct a soil analysis to formulate fertilizer recommendations based on the nutrient status of N and K. This research was carried out in Bombanon Village, Mantoh District in July 2021. The chemical properties of the soil analyzed were N (Kjeldahl) and K (HCl25%). The result of soil analysis then matched with the PPT criteria for soil chemical properties status and Balitbangtan guidelines of N and P fertilization for rice crops. The results showed that the N contents at T1 and T3 were low, whereas T2 had a moderate N content. K content at the entire sampling sites were considered moderate. This study recommended N and K fertilization of 275 kg/ha and 50 kg/ha of urea and KCl, respectively, without returning straw.
The Fiber Profile of Midrib Waste on Salak Sidempuan Fermented with Phanerochaete chrysosporium Rikardo Silaban
CELEBES Agricultural Vol. 2 No. 2 (2022): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.556 KB) | DOI: 10.52045/jca.v2i2.284

Abstract

Feed alternative is become the major concern for livestock industry in order to provide the continuously feeding. Feed technology system based on agriculture wastes were the modified strategy to gain the other sources of feed raw materials. Salak Sidempuan is performed similar with the Palm plantations which is produced the potential midrib waste. Nutritionally, the product will feed the animal to increase the performance. The research aims to evaluate the proximate profile especially the fiber contents of midrib waste of Salak Sidempuan fermented with white root fungi. The fifth experiments were evaluated after the measuring period by using the Phanerochaete chrysosporium and replicated in 4 times. Experiments were P0 (control), P1 (5%inoculant of P. chrysosporium), P2 (10%inoculant of P. chrysosporium), P3 (15%inoculant of P. chrysosporium), and P4 (20%inoculant of P. chrysosporium). A completely randomized design was used to determine the statistical effect on dry matter, organic matter, crude fiber and lignin. Results showed that the addition of inoculant about 20% signifantly effected the increasing on dry matter and organic matter while followed the decreasing of fiber contents. In conclusion, fermentation of midrib waste with Phanerochaete chrysosporium is potentially degradated  the fiber content itselves.
Diversity of Ants (Hymenoptera: Formicidae) on Several Types of Plantations in Dharmasraya Regency, West Sumatra Province Silvia Roza; Yaherwandi; Siska Efendi
CELEBES Agricultural Vol. 2 No. 2 (2022): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (633.393 KB) | DOI: 10.52045/jca.v2i2.491

Abstract

Ant diversity in the plantation ecosystem has an important role in maintaining the balance of the ecosystem and the continuity of crop production. It aims to find out ant diversity and the role of ants present in oil palm, rubber, and cocoa plantation ecosystems in Dharmasraya District. The research location is Kecamatan Pulau Punjung, Sitiung, and Koto Besar. The method used in this research is Systematic Random Sampling (Random Design Selected). Sampling using the Qudran Protocol method is Soil And Leaf Litter Sieving, Pitfall trap, Bait Trap, and Hand Collecting. Identification is done at the Laboratory of Animal Taxonomy, Biology Department, Faculty of Mathematics and Natural Sciences, Andalas University. The diversity and evenness of ants in some types of plantations in Dharmasraya Regency were moderate (H '<1) and (E <0.63). There were 16 species of ants; the most abundant species were Aneplolephis graciliphes and Odontoponera denticulate.
Potential of various trap crops for the control of Bemisia tabaci on chilli pepper Mihwan Sataral; Syahril Daud; Fahri; Maria Hevianti
CELEBES Agricultural Vol. 2 No. 2 (2022): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (560.961 KB) | DOI: 10.52045/jca.v2i2.398

Abstract

The whitefly Bemisia tabaci is an important pest of chilli peppers and a vector insect that causes yellow leaf disease. This study aimed to compare the whitefly population and the intensity of its attacks on chilli production in plots with or without trap crops. This study used eggplant, tomato and mungbean as trap crops. As the main crop, Chilli pepper was planted in plots measuring 7 m x 4 m with a spacing of 60 cm x 70 cm. Trap crops were planted around the chilli pepper plots, with 16 plants in each plot. The results showed a significant difference between whitefly populations and the intensity of their attacks in plots without trap crops and plots with mungbean traps. The biggest chilli weight was obtained from plots with mungbean trap plants. State that mungbean has the best potential as a trap crop to control B. tabaci.

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