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Caraka Tani: Journal of Sustainable Agriculture
Published by Universitas Sebelas Maret
ISSN : 26139456     EISSN : 25992570     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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 485 Documents
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Sustainable Development Strategies of Rainfed Paddy Fields in Central Java, Indonesia: A Review Nourma Al Viandari; Anicetus Wihardjaka; Heru Bagus Pulunggono; Suwardi Suwardi
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.58242

Abstract

Rainfed paddy fields have a great potential to be developed in Indonesia, especially in Central Java. However, water irrigation management, drought stress, pest and disease infestation and low nutrients that affect paddy yield remain the constraints. Unpredictable climate pattern is also a limiting factor in the cultivation of rainfed paddy fields. This narrative review aims to identify and discuss solutions to problems that exist to increase the yield of rainfed paddy fields with several techniques that support sustainable agriculture. This review paper was prepared by collecting government data and interviews with several farmer group leaders as complementary data. Based on field conditions, farmers in rainfed paddy fields provide fertilization inputs that are not following the fertilizer recommendations. Moreover, field conditions with limited water availability have caused paddy cultivating in several locations only once a year with low yields. Water storage can help farmers meet the need for water, especially during dry and water-stress conditions. The farmers also need to pay attention to the appropriate fertilization doses and the use of additional organic matter derived from cultivation residues, which are expected to increase the availability of nutrients in the soil. The use of short-life and drought-resistant varieties can aid in overcoming the problem of crop failure in the middle phase caused by water scarcity. Finally, we identify and emphasize that rainfed paddy fields generally have a limiting factor for water and nutrients and several technologies are needed to contribute to increasing more sustainable paddy yields.
An Assessment of the Interaction between Carbon Dioxide Emissions and Available Nutrients from the Lifecycle of Several Agricultural Crops Prodipto Bishnu Angon; Md. Mahbubur Rahman Khan; Sadia Haque Tonny
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.61029

Abstract

Agricultural products cause the emission of certain significant amount of greenhouse gases. Carbon dioxide (CO2) is one of the most important greenhouse gases and its emissions are increasing day by day as a result of the increase in agricultural productivity. This study aims to pinpoint the most environmentally friendly crops and fruits that are sources of good nutrients and emits less CO2 throughout their life cycles. Relation between nutrient availability and CO2 emissions from staple foods namely; wheat, maize, rice, potato, sugarcane, sugar beet, soybean, palm oil, sunflower, rapeseed, banana, apple and grape are investigated in this study. Secondary data was collected from dataset’s website. Spearman's rank and diagram interpretation technique are used to find out the correlation between nutrient availability and CO2 emissions. Among carbohydrate diets, rice emits 4 kg CO2 kg-1 of crops, which is significantly higher than that of wheat, maize and potato. However, the amount of carbohydrates in rice (0.26%) is less than those carbohydrate diets. Similarly, sugarcane emits more CO2 as 2.6 kg kg-1 of crops than sugar beet (1.4 kg kg-1 of crops) among sugar crops. Soybean and palm oil emit more CO2 as 6 kg kg-1 and 7.2 kg kg-1 of crops, respectively, as compared to other oilseed crops, but every oilseed crop has the same food value. Among fruits, bananas emit less CO2 (1.1 kg kg-1 of crops) and have a higher content of carbohydrates (0.23%) than other selected fruits. Proper crop selection based on nutrient content can lead to lower CO2 emissions than at present and a consistent balance between environmental and nutritional needs in the future.
Application Paclobutrazol and Duration of Drought Stress to Flowering Induction in Chokun Orange Zulfa Rahmadita Nur Azizah; Sakhidin Sakhidin; Saparso Saparso; Agus Sarjito
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.58500

Abstract

Induction of flowering is one of the efforts that can extend the production period of Chokun oranges. This study aims to determine the effect of the dose of paclobutrazol (PBZ), duration of drought stress and the combination of treatments that gives the best results on the Chokun orange (Citrus sp.). The research design used was randomized complete block design (RCBD), consisting of 3 replications. The treatment in this study was a combination of the dose of PBZ (control, active ingredient 0.75 g plant-1 and active ingredient 1.5 g plant-1) and duration of drought stress (control, 1, 2 and 3 weeks). The results show that the application of PBZ and duration of drought stress can induce the flowering of citrus plants as seen from the generative shoot variables with a quadratic model on the equation y = -17.778x2 + 31.556x + 26.667 at the optimum dose of 0.89 g plant-1 of active ingredient and 1 week of drought. The dry period of 3 weeks gives the best results seen from variables of the number of flowers and number of fruits. In general, the results suggest that the application of PBZ and duration of drought stress can transfer from the vegetative phase to the generative phase which in turn could induce the flowering of citrus plants.
Effectiveness of Endophytic Bacteria from Local Tomato Plants Against Wilt Disease Caused by Fusarium oxysporum Ratna Umi Nurlila; Jumarddin La Fua; Muhammad Sainal Abidin; Sulaeha Sulaeha; Lodes Hadju
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.64667

Abstract

Fusarium wilt is a plant disease caused by Fusarium oxysporum that generates significant economic loss to crops. A method to sustainably control F. oxysporum is utilizing biological agents, such as endophytic bacteria. Therefore, this study aimed to isolate endophytic bacteria from tomato plant tissue, which could inhibit the pathogen of wilt disease (F. oxysporum). Endophytic bacteria were isolated from local tomato plants in Muna Regency, Indonesia. Morphological characteristics such as size, shape, color and height of bacterial colonies were then determined by Gram staining using potassium hydroxide (KOH). Endophytic bacterial isolates were evaluated for their ability to inhibit F. oxysporum through inhibition and hydrogen cyanide (HCN) production tests. Subsequently, analysis of variance was used to determine whether endophytic bacteria inhibited F. oxysporum growth, and if there was a significant effect, Duncan's test was conducted at 95% significance. HCN production was observed through qualitative methods. The results showed that four endophytic bacteria isolates, namely LBR I A03, SWR II B04, SDM II B05 and SWR I A02 inhibited the growth of F. oxysporum by more than 50%. It also revealed that four endophytic bacterial isolates were strong HCN producers and two were weak producers. Therefore, isolates showing antifungal activity in this study can be used as biopesticide agents to induce plant resistance to F. oxysporum.
Factors Influencing Smallholder Farmers’ Decision to Abandon Introduced Sustainable Land Management Technologies in Central Ethiopia Taye Alemu Mamo; Degefa Tolossa; Feyera Senbeta; Tesfaye Zeleke
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.60720

Abstract

The Ethiopian government has made efforts to rehabilitate degraded lands using a range of sustainable land management (SLM) initiatives. One of the key components was the use of improved structural soil and water conservation (SWC) technologies. However, the effectiveness of technology adoption varies greatly among households and abandoning previously accepted measures is a typical occurrence. Thus, this study sought to discover factors influencing smallholder farmers’ decisions to abandon already accepted SWC measures. The analysis was conducted based on data collected from 525 sample households surveyed in two districts in Central Ethiopia. An ordered cumulative logistic (POM) regression model was used to examine variables explaining households’ decision behavior. The study findings have revealed that sampled households were at different adoption stages, i.e., dis-adopters (22%), pilot-level adopters (14%) and adopters (64%). The results from the POM model also show that a range of variables influenced farmers’ dis-adoption decisions. Factors such as awareness about the risks of land degradation, access to training, incentives, land fragmentation, gender, full-time labor size, gentle slope plots, economic returns on investment and post-adoption follow-up were found to substantially influence smallholder farmers’ adoption discontinuance decisions. Thus, policymakers should consider these variables in designing strategies to overcome barriers to SLM practices.
Farmers, Traders and Households' Preference to IVegRI’s Open-Pollinated Chili Varieties in Lembang, West Java, Indonesia Asma Sembiring; Laksminiwati Prabaningrum; Tonny Koestoni Moekasan
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.58346

Abstract

The majority of Indonesian farmers plant open pollinated (OP) chili because the seed price is affordable. However, the chili has weaknesses, such as the productivity is lower and the seed is not uniform. Indonesian Vegetables Research Institute (IVegRI) attempts to create high-quality OP chili varieties that farmers could access. The study aimed to identify farmers, traders and households’ preferences for OP chili varieties that IVegRI has released. The study was carried out in Lembang Sub-district, West Java Province, Indonesia, from March to November 2019. A total of 82 respondents, consisting of farmers, traders and households, were asked about their preference for three OP chili varieties, namely Tanjung, Carvi and Ciko. The respondents were selected purposively. Data were analyzed using perceived quality. The results of this study have revealed that production per plant was the most important chili attribute for farmers, while fruit shape and color were the most essential chili attributes for traders and households, as evidenced by the final scores of 4.93, 4.83 and 4.45, respectively. Traders preferred Tanjung chili variety, as indicated by a score of 1.04. Meanwhile, the farmers and households preferred Carvi to Tanjung and Ciko varieties, with a score of 1.05. Farmers' preference for Carvi for all attributes was higher than the average among varieties, especially for production per plant and fruit weight. This implies that Carvi, as the IVegRI OP chili variety, can be disseminated widely to other locations in West Java and other provinces in Indonesia. The findings of this study are expected to provide useful information for a better understanding of factors necessarily considered to further improve IVegRI's OP chili varieties.
Study of Black Rice Parents Performance and the Crossing Ability Nandariyah Nandariyah; Sukaya Sukaya; Djoko Purnomo; Sutarno Sutarno; Endang Yuniastuti; Catalina Dara Ayu Az-Zahra
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.60245

Abstract

Black rice generally has problems in cultivation such as relatively long plant life, high habitus and low productivity. Plant breeders use several methods in hybridization activities, such as backcross method that can lead to the development towards emphasizing the superiority of each parent. This research aimed to study and determined the success rate of the black rice lines F1 backcross and the parents’ performance. This research was conducted using F1 of promising lines, parental lines and the Jeliteng variety with 9 sets of crosses. Each line and variety were repeated 3 times, in total there were 57 experimental units. The observation parameters of this research were plant height, crossing success, weight of seeds, length and width of grain, flowering age, harvesting age also number of grains and unfilled spikelet. The results of this study showed that parents plant height was positively correlated with the number of productive tillers. The taller the plant, the more productive tillers and the more flowers can be crossed. The success of the cross can increase with the number of flowers crossed. The success of crosses between F1 black rice promising lines and their parents has a success rate range of 10.82% to 33.75%. The findings imply that F1 crossbreeding of black rice promising lines with their parents can be carried out to produce backcross offspring.
Increase of Cropping Index in Dryland Supported by Groundwater Irrigation Arif Anshori; Eko Srihartanto; Fibrianty Fibrianty; Tri Endar Suswatiningsih; Sri Wahyuni Budiarti; Damasus Riyanto; Hermawati Cahyaningrum; Suradal Suradal
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.58029

Abstract

Dryland has the potential to increase agricultural production, by increasing the cropping index. The main problem of dryland is the availability of water which depends on rainfall. Groundwater can be an alternative option to meet the availability of water in the dryland. This study aimed to determine the cropping pattern and increase of cropping index supported by groundwater irrigation in the dryland. The research was conducted in the dryland of Playen, Gunungkidul, Special Region of Yogyakarta, supported by groundwater irrigation. This research used a combination of survey, interview and plot demonstration methods. Surveys and interviews were conducted to determine the condition of cultivation and profit in the first and third growing seasons. The plot demonstration, to increase the rice cropping index from 1 to 2, was applied in the second growing season. The results showed that rice productivity in the first growing season was 5.215 ton ha-1, with a profit of 12,288,000 IDR ha-1 and B/C of 1.28. In the second growing season, Sidenuk productivity was 8.025 ton ha-1, with the dry straw of 8.049 ton ha-1, grain carbon of 3.471 ton ha-1 and straw carbon of 3.723 ton ha-1, higher than those of Situbagendit, but comparable those of Inpari-42, with a profit of 20,700,000 IDR ha-1 and B/C of 1.54. Rice contributed to higher biomass, carbon and profit than groundnut. In the third growing season, groundnut productivity was 2.026 ton ha-1, with a profit of 15,572,000 IDR ha-1 and B/C of 1.78. Groundwater irrigation can support the increase in the cropping index on dryland and intensify agricultural production as well.
Performance Evaluation of Induced Mutagenesis using Colchicine and EMS Solution on Cowpea M3 Purple and Mung Bean Vima1 to Increase Resistance I Gede Ketut Susrama; Ni Made Trigunasih; I ketut Suada; Ni Nyoman Ari Mayadewi
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.56341

Abstract

Induced mutagenesis is one way to improve the quality of crops, especially to increase the resistance to pests and diseases. This research aimed to determine colchicine and ethyl methane sulfonate (EMS) mutagenesis on cowpea M3 purple and mung bean Vima1, in concatenation for developing resistant crops. This research consists of four packages: (1) first package (cowpea M3 purple seeds treated with colchicine solution, (2) second package (cowpea M3 purple seeds treated with EMS solution), (3) third package (mung bean Vima1 seeds treated with colchicine solution) and (4) fourth package (mung bean Vima1 seeds treated with EMS solution). The results of this research revealed that induced mutagenesis by colchicine solution treatment reduced the incidence of bean leaf beetles up to 19% on cowpea M3 purple, as well leaf miners by 5% to 9% and bean leaf beetles up to 5% on mung bean Vima1. Treatment of EMS solution decreased the incidence of bean leaf beetles by 17% on cowpea M3 purple and pink mealybug by 5% to 15% on mung bean Vima1. Induced mutagenesis using EMS solution significantly decreased vegetable leaf miner incidence by 33% to 93% or 71% on average. Colchicine and EMS solution treatment caused aphid attacks in cowpea M3 purple, particularly in pods. The attacks did not happen on leaves and aphid incidence in pods was slower than in control. Some promising mutant candidates were found from this research that will be used in further crop development studies. It is expected that the method and results of this research could inspire faster development of resistant crops.
Behavior and Marketing Analysis of Pepper (Piper nigrum L.): A Comparative Study of Farmers, Trading Districts and Retailers in Southeast Sulawesi, Indonesia Wa Ode Al Zarliani; Muzuna Muzuna; Sigit Sugianto
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.59193

Abstract

Inefficient marketing and low production are the main obstacles in the selling of pepper and they also cause a low bargaining position for farmers in the market. Therefore, this study aims to determine the market behavior activities carried out to determine prices, as well as analyze marketing channels, profits received by participants and efficiency. Samples used in this study were 27 farmers, 4 trading districts, and 3 respondent retailers. The qualitative analysis was used to analyze the pattern of channels, the functions performed by associated agencies and the market behavior of the pepper commodity. Quantitative analysis was also carried out to evaluate the marketing margins, costs incurred by traders, profits received and efficiency. The results show that the selling price of pepper was determined by the merchant, with different payment systems including cash, initial deposit, and balance through oral cooperation in the form of an agreement on a place of sales, followed by the provision of capital to farmers. In the marketing process, 4 patterns of channels were formed, which include local markets and others outside the regency, and their efficiencies were above 50%. These results show that government need to provide pepper markets outside the province to improve the welfare of farmers and ensure they don't depend only on the local marketplace during harvest.

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