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Caraka Tani: Journal of Sustainable Agriculture
ISSN : 26139456     EISSN : 25992570     DOI : -
Core Subject : Agriculture,
Caraka Tani: Journal of Sustainable Agriculture publishes original articles, review articles, case studies and short communications on the fundamentals, applications and management of Sustainable Agriculture areas in collaboration with Indonesian Agrotechnology / Agroecotechnology Association (PAGI), Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network), and Indonesian Agricultural Higher Education Communication Forum (FKPTPI). This journal has two issues in a year and it will be published in April and October.
Arjuna Subject : -
Articles 17 Documents
Search results for , issue "Vol 35, No 2 (2020): October" : 17 Documents clear
Competitiveness of Palm Oil Products in International Trade: An Analysis between Indonesia and Malaysia Muhammad Arsyad; Achmad Amiruddin; Suharno Suharno; Siti Jahroh
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.378 KB) | DOI: 10.20961/carakatani.v35i2.41091

Abstract

The supply of palm oil products is still a central issue in international trade. Indonesia and Malaysia are major suppliers, contributing around 85% of world palm oil. Hence, both countries have an important role, as well as competing with each other in international trade. The palm oil products usually in high demand worldwide include Crude Palm Oil (CPO), which is the main and its derivative products such as Refined Bleached Deodorized (RBD) palm olein and Palm Fatty Acid Distillate (PFAD). Therefore, the research aims at assessing the competitiveness of palm oil products between Indonesia and Malaysia in international trade. The Revealed Comparative Advantage (RCA) and products mapping methods were used in this assessment. The results show that, the value of RCA of Indonesian CPO showed a negative trend, although, still higher than Malaysia, though with positive trend. However, Indonesian RBD palm olein and PFAD have a positive trend compared with Malaysia. Upon using the method of products mapping, it was found that, the palm oil products of both countries were in group A. This is an indication that the products have comparative advantage and export specialization. Therefore, there is need for strategic policies, in both countries, for supporting oil palm activities at the downstream. This will enhance the production of derivative products with the capacity of also meeting demands in the international trade.
The Efficiency of Garlic Supply Chain Actors Measured using Data Envelopment Analysis (DEA) Method in Karanganyar, Indonesia Betha Wahyuningtyas; Kusnandar Kusnandar; Sutrisno Hadi Purnomo
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (51.482 KB) | DOI: 10.20961/carakatani.v35i2.33114

Abstract

One of the obstacles to the development of agribusiness is related to supply chain management. The availability of supply is the most important factor in influencing supply chain performance. Without a stable and routine supply, supply chain performance will be disrupted. Karanganyar Regency is one of the production centers of horticultural commodities, particularly garlic. This study aimed to analyze the efficiency of each garlic supply chain actor in Karanganyar Regency. The research was conducted from March to April 2019. The efficiency of each supply chain actor in this study was measured using Data Envelopment Analysis (DEA) method. Performance measurement was done through the DEA approach and the performance attributes were input and output variables. The respondents observed were 50 farmers and 13 supply chain actors working in institutions. The samples of farmers were taken using purposive sampling technique, while the samples of supply chain actors were obtained using snowball sampling. The results have shown that the most efficient supply chain actors were retailers with an efficiency value of 1 (100%), while inefficient supply chain actors were farmers with an average efficiency value of 0.709. From a total of 50 Decision Making Unit (DMU) of total farmers, 13 DMU (26%) were efficient, while 37 DMU (74%) were inefficient and further need improvements, like using certified seeds and suitable fertilizer recommendations, as well as reducing external labor during the process of maintenance, harvesting and post-harvest. Farmers are expected to have the desire to learn from referral farmers.
Urea Application to Enhance Sugarcane Trash Decomposition: A Field Test in PTPN VII of Cinta Manis District in South Sumatera Putri, Kenny Marlian; Setyawan, Dwi; Priatna, Satria Jaya
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (251.584 KB) | DOI: 10.20961/carakatani.v35i2.37979

Abstract

Sugarcane harvest results in plant residues, consisting of leaves, stems and roots nearly 20 ton ha-1. The plantation of PTPN VII in Cinta Manis District applied urea with a dosage of 5 kg ha-1 but the result was not effective. There is a potential to try a higher dosage of urea to enhance trash decomposition. This research aims to evaluate urea application on biomass decomposition. This research was conducted on the Plot 07 Rayon 3 of PTPN VII, District of Cinta Manis at Ketiau, Lubuk Keliat of Ogan Ilir, South Sumatra, using Split Plot design. Main plot is trash sampling time and subplot is urea dosage with three replicates. ANCOVA was used for soil data. The rate of decomposition of the litter was calculated by the change in the initial condition of research with each week on observation resulting in decomposition rate graphs. Urea application at 10 kg ha-1 reduced C/N of the litter ratio to almost 21:1 and was followed by the highest total nitrogen increase to 0.18%, while the highest organic carbon decline for urea treatment of 6 kg ha-1 amounted to 13.78%. In conclusion, higher rate of urea application is still required to enhance sugarcane litter decomposition.
The Pruning Effect on the Storage Root Yield and Starch Content of Sweet Potato Clones Planted at Dry Land Edyson Indawan; Sri Umi Lestari; Nurita Thiasari; Pramono Sasongko
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.34480

Abstract

Sweet potato is a dual-purpose crop, which could produce both food and feed. The vine pruning prior to storage root harvesting was intended to increase the quantity and quality of fresh forage for animal feed. This study aims to evaluate whether periodic pruning can affect the storage root yield and its starch content. This experiment employed split-plot design with two factors and three replications. The first factor as main plot was vine pruning which consisted of four distinct pruning times (four times, three times, twice and once). The second factor as sub-plot was cultivars which consisted of six dual-purpose cultivars and two controls. The storage root yields, vine yields, starch yields and the reduction in storage root yields were observed. The results showed that the vine pruning decreased the storage root yields, with small increases the vine yields. The percentage of the reduction in storage root yields were 4-58%, while the decrease vine yields are relatively inconsistent. The starch yield of the cultivars with one pruning time were in the range of 2.34-6.67 ton ha-1. On the contrary, the three times pruning or more since 80 days after transplanted can reduce the starch yields for more than 50%. The slight increase in vines yield due to pruning was followed by the decrease in storage root yields and starch content of the sweet potato.
Community Perception of the Development of Productive Landscape in Yogyakarta City Raya, Alia Bihrajihant; Irwan, Siti Nurul Rofiqo; Utami, Retno Nur; Sarwadi, Ahmad
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.32576

Abstract

This research seeks to identify the potential of local community to support the development of productive landscape in Yogyakarta City. It hypothesizes the important roles of ecological perception, aesthetical perception, economics perception of productive plant, social-cultural perception, the role of social organization and the status of house ownership that would assist productive landscape development. This paper contributes to the importance of productive landscape development through community participation. The road/street location was chosen with purposive sampling by considering the characteristics of the arterial roads and local streets. Five arterial roads and five local streets were determined as the locations. The field survey method, with semi-structured questionnaires, was employed to obtain the primary data. The residences in arterial roads and local streets were selected by the linear systematic random sampling and the respondents participating in this study were 160 persons.  The results have shown that the perception of residents depends on the experiences of their situation. The majority of residents have disclosed the low response on economical perception of productive landscape development in the greenery. The development of productive landscape is influenced by the ecological, aesthetical and socio-cultural perceptions of the residents living nearby the arterial roads. Meanwhile, the residents of local streets have a different perception of productive landscape development, which is influenced by ecological and aesthetical perceptions. The collaboration between government and community should be made to develop the efforts to grow and manage the vegetations along the roadsides of the city.
The Potensial of Fusarium sp. and Chaetomium sp. as Biological Control Agents of Five Broad-Leaf Weeds Loekas Soesanto; Endang Mugiastuti; Abdul Manan
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.35713

Abstract

Weeds are a major problem in crop cultivation, either in food crops, horticulture, plantations or forests and cause a decrease in the quality and quantity of production. Weed biocontrol, especially by using plant pathogenic fungi, has received attention but is still lacking in application. The purpose of this study was to determine the potential of Fusarium sp. and Chaetomium sp. as biological control agents against five broad-leaf weeds (Asystasia gangetica L., Ageratum conyzoides L., Synendrella nodiflora (L.) Gaertn., Wedelia trilobata (L.) U.S. Hitchc. and Amaranthus spinosus L.). The variables observed were the incubation period, disease incidence, disease intensity, as well as weed fresh and dry weight. The results of this study showed that the two pathogenic fungi, Fusarium sp. and Chaetomium sp., can cause a more intensive disease in A. conizoides than A. spinosus. A. gangetica, S. nodiflora and W. trilobata; however, the fungi have not been able to inhibit the growth and kill the weeds. Therefore, improvement need to be done by modifying the media to increase the ability of fungi to control weeds.
Yields Losses Caused by Basal Plate Rot (Fusarium oxysporum f.sp. cepae) in Some Shallot Varieties Hadiwiyono Hadiwiyono; Kumala Sari; Susilo Hambeg Poromarto
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.26916

Abstract

Basal plate rot or moler caused by Fusarium oxysporum f. sp. cepae (FOCe) is the most important disease of shallot. However, the information of crop losses attributed to the pathogen is still limited, especially related to resistance of shallot. This paper discusses the correlation between disease severity and resistance of some shallot varieties to yield losses. The experiment was arranged by Completely Randomized Design (CRD) with six varieties of shallot as treatments, each of which consisted of 20 shallots, with three times of replications. The independent variables were the disease severity of twisting leaf and rotting of shallot bulb. The association of disease severity versus yield losses in different varieties was based on the correlation analysis. The results showed that both variables were positively correlated to yield losses, which were significantly affected by the level of resistance. Yield losses in resistant and moderate varieties were at the ranges of 2.13-4.38 and 15, 27.26-40.04, respectively.
The Risk and Strategies of Potato Production in Garut, Indonesia Karissa Nurbudiati; Eliana Wulandari
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.34072

Abstract

The fluctuation of potato production has been caused by production risk in on-farm sector. This research aims to identify the sources of production risk in potato production and analyze the strategies to overcome the production risk. This research was conducted at Cantigi Farmers’ Group, which has been actively producing potato in Cikajang Sub-district, Garut Regency, West Java. The data were collected from all 35 members of the Cantigi Farmers’ Group. This study used Z-Score and Value at Risk analyses. The results showed that the sources of potato production risk that occurred in the Cantigi Farmers’ Group were pests, diseases, rainfall, seed quality, managerial ability and soil fertility. Mitigation strategies can be used to overcome the risk sources such as by using intercropping method, plant-based pesticides, natural enemies, proper water management and drainage. Preventive strategies can be used to overcome the risk sources such as by using plant-based pesticides, organic fertilizers, assistance from local extension agents, in collaboration with certified seed breeders in the surrounding area and attending the training of how to breed properly. The research on potato production risk in Cikajang Sub-district is very significant considering that, to the best of authors’ knowledge, the analysis of potato production risks has not been conducted yet in this important area of potato producing. This study was conducted in a limited scope of variable, therefore, a further research of potato production risks is suggested to be performed in a wider variable scope.
First Morphological Detection of Non-Quarantine Pest Causing Banana Wilt in Morotai Island Arief Widyantoro; Artini Artini
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.41692

Abstract

There are two symptoms of wilting in banana plants that have been widely known, namely fusarium wilt and bacterial wilt. The symptoms of banana wilt usually are attributed to pathogenic fungi. Wilting symptoms on the leaves are usually accompanied by leaf spot, leaf streak, leaf speckle and anthracnose. Recent quarantine pest reports have found the symptoms of banana wilt in Morotai Island, Indonesia. The pathogens attack many local cultivars of banana plants including Mas, Ambon, Kepok and Nangka. The study aimed to establish the morphological characters of the pathogens that cause banana wilt. Descriptive research began with the sampling of diseased symptomatic leaves, field data reports and identification of pathogenic morphological characters in the laboratory. The variable observed were the disease symptoms, color and shape of mycelia, conidia, kinds of the pathogens and their growth on agar medium. The results showed that there was no quarantine pest on the symptomatic banana samples. There were two non-quarantine pests that had been identified, i.e Fusarium oxysporum causing fusarium wilt and Cladosporium musae causing leaf speckle.
The Effects of Types of Manure and Mycorrhizal Applications on Sandy Soils on the Growth and Yield of Curly Red Chili (Capsicum annum L.) Putra, Sukmana Siswandana; Putra, Eka Tarwaca Susila; Widada, Jaka
Caraka Tani: Journal of Sustainable Agriculture Vol 35, No 2 (2020): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v35i2.34971

Abstract

Market demand for chilies continues to increase, so efforts are needed to increase the productivity of the chili plants. One of the efforts is by intensifying production factors such as applying fertilizers on beach sand which contain low nutrients and organic matter so that manure input is needed and also utilizes soil microbial technology in the form of arbuscular mycorrhizal fungi which are relatively cheap economically and environmentally friendly. The purpose of this research was to study the effect of types of manure and mycorrhizal applications on the growth and yield of curly red chili. The research was arranged in a strip-plot Randomized Completely Block Design (RCBD) consisting of two factors with three replications. The first factor is the type of fertilizer (cow manure, chicken manure, guano fertilizer, quail manure and urea fertilizer) and the second factor is the application of mycorrhizae (with and without). This study concludes that quail manure increases plant height. The addition of chicken manure, guano fertilizer and quail manure multiplies the total fruit production. The application of mycorrhizae gives the same results on the growth and yield of chili.

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