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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 17 Documents
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Search results for , issue "Vol 39, No 1 (2024): April" : 17 Documents clear
Utilization of Nostoc piscinale as Potential Biofertilizer to the Growth and Development of Oryza sativa L. Rebecca Go Oco; Mark Kevin Devanadera; Ruel Valerio Robles de Grano
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.77067

Abstract

Nostoc is a blue-green cyanobacteria that produce their food through photosynthesis and nitrogen fixation. These organisms undergo nitrogen fixation and provide a potential nitrogen source for growth and development. Since rice is known as one of the world’s staple foods, especially in Asia, this study aims to determine the utilization of Nostoc piscinale as a potential biofertilizer for planting rice crops. N. piscinale was inoculated into three subcultures and incubated for 87 to 170 days, and then analyzed for nitrogen-fixing activity and rice plant development. Growth of cyanobacteria showed a significant increase in chlorophyll a starting from day 30 up to day 170 while nitrogen-fixing activity remained constant from day 4. On the other hand, the growth and development of rice treated with cyanobacteria showed correlated trends with commercial fertilizer (CSF) in terms of root and shoot (growth and fresh weight) and chlorophyll a content with no statistical differences (p-value ≥ 0.05). Nitrogen tests indicate the utilization of ammonia produced by N. piscinale and the change in soil pH. After harvesting the samples at 20 days and measuring the soil pH, the cyanobacterial samples were seen to lower the soil pH before planting, which is significantly different from the untreated and CSF-treated samples. The utilization of nitrogen for the growth and development of Oryza sativa subsp. indica proved that N. piscinale would be a positive alternative source of nitrogen due to the results obtained from the soil nitrogen composition and soil pH.
Analysis of the Emerging Market for Poultry By-Products in Ghana Etriakor Kofi Gbordzoe; Edward Ebo Onumah; Akwasi Mensah-Bonsu
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.82925

Abstract

The paper examined the emerging poultry by-products market, delving into the nature, revenue generation, influencing factors, and constraints of the market, using data from poultry farmers, aggregators, and cattle farmers. The paper described the nature of the market using descriptive statistics and a flow chart, estimated its contribution to poultry revenue, and examined the factors influencing the proportion of revenue contributed using a Tobit model. Kendall’s coefficient of concordance was used to measure the level of agreement among the poultry farmers in ranking identified constraints. The poultry by-product market is currently characterized by only poultry droppings trading, with Côte d’Ivoire as the largest user (76% of the consumption) in cross-border informal trade and an average selling price of 8.39 USD per metric ton. The emerging market for the by-products can be described as seasonal. Annual revenue per poultry farmer for poultry droppings is 1,072.26 USD. Management type, production scale, and membership of poultry farmers’ association influenced the proportion of revenue contributed from poultry droppings. The emerging poultry droppings market provided an opportunity for small-scale farms to earn additional income and organic manure to support sustainable farming. The key constraints among the poultry farmers participating in the by-products market were low prices and a lack of processing and storage facilities. The study recommended that agriculture sector development agencies should support the development of value chains for poultry droppings and other poultry by-products to help expand the market for sustainable agriculture production under the circular economy framework.
Effect of Benzyl Amino Purine (BAP) on the Leaf Growth of Vanda limbata Blume Orchid In Vivo Sischa Aulia Putri Az Zahra; Nintya Setiari; Yulita Nurchayati
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.77888

Abstract

Vanda limbata is a natural orchid with slow growth and is often taken directly from the forest in large quantities, threatening its sustainability. Ex-situ preservation efforts are needed for this orchid, one of which is through cultivation with the addition of Benzyl Amino Purin (BAP), known to increase shoot growth. This research aims to analyze the effect of BAP and determine its optimal concentration on the growth of V. limbata orchids. This research used a single-factor completely randomized design in BAP concentrations of 0, 25 and 50 mg l-1 with 5 replications. The method used was spraying BAP solution once a week on all parts of adult V. limbata orchids aged ±2 years. The research was conducted for 3 months in the experimental garden with parameters observed in the form of the number of new leaves, elongation of old leaves, the length of new leaves, increase in the width of old leaves, the width of new leaves, stomatal density and the number of roots. The results showed that the most effective BAP concentration was 50 mg l-1 for the number of new leaves which increased by 200%, the length of old leaves which increased by 168.66% and the length of new leaves which increased by 800%, but resulted in less stomatal density than the control. BAP can increase the growth of V. limbata orchid leaves. This research can be a recommendation for ex-situ conservation efforts that have the potential to be developed as a means of orchid cultivation.
Role of Ocimum basilicum var. thyrsiflora (Thai Basil) Aqueous Extract Treated with Yeast Suspension in Enhancing Tomato Plant Resistance to Fusarium oxysporum Wurood Hantoosh Neamah; Shatha Fadel Abdel sayed; Fatimah Ali Hasan
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.78387

Abstract

Tomato (Solanum lycopersicum L.) is the most popular vegetable crop in the world. It is grown almost all over the world. The biggest challenge in producing this crop is diseases caused by Fusarium oxysporum. In developing eco-friendly antifungal selective substances for controlling Fusarium diseases, the role of Ocimum basilicum var. thyrsiflora (Thai basil) aqueous extract against stimulated F. oxysporum was studied in vivo. The presoaked tomato seeds with yeast-treated and untreated O. basilicum var. thyrsiflora extracts were cultivated in F. oxysporum-infused soil. This part investigated the recovery role of these botanical extracts against the Fusarium infection on tomato plants, especially on its growth and biochemical traits. The research showed that the vegetative and floral growth parameters of plant decreased significantly due to F. oxysporum infection. The pigment contents, including carotenoids, β-carotene and lycopene in tomato fruits, were also passively affected by fungus infection at variance to phenolic and flavonoid content. Moreover, the O. basilicum var. thyrsiflora extract presoaked seeds remarkably enhanced the growth parameters of plant and the fruit pigment content. There was no significant difference in fungus infection recovery between infected plants that got yeast-treated extract and infected plants that got yeast-untreated extract. However, the pathogen inhibition percentage with extract from yeast-treated Thai basil plants in vitro increased. This research showed that utilizing O. basilicum var. thyrsiflora extract to control F. oxysporum infection of tomato plants was possible and available.
Identification and Reduction of Bitter Taste Determinant Compounds in Chocolate Spread Formulated with Candlenut Zenita Mulya Astuti; Dwi Larasatie Nur Fibri; Siham Ayouaz; Dimas Rahadian Aji Muhammad
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.80167

Abstract

Candlenuts can be used as a substitute in producing chocolate spread due to their high-fat content. However, the limitation of using candlenut in the spread formulation is the existence of a bitter taste. This study aimed to investigate the effect of sodium bisulfite and sodium bicarbonate soaking treatment (100, 300, and 500 ppm) on reducing the bitter taste of candlenut seed. In order to reach the goal, bitter compounds of candlenut and chocolate spread were identified using Liquid chromatography-mass spectrometry (LC-MS). The sensory characteristics of chocolate spread were profiled using the Rate All That Apply (RATA) descriptive method. It was shown that the panelists identified 14 sensory attributes in the samples, one of which was bitter taste. Treatment with sodium bisulfite, as well as sodium bicarbonate at the level of 300 ppm, reduced the intensity of the bitter taste. The treatment reduced flavonoid and tannin levels by 85.21% and 82.08% in candlenut seeds. It also reduced flavonoid and tannin levels by 88.47% and 72.71% in chocolate spread, respectively. LC-MS identified 13 compounds that cause the bitter taste, namely quercetin, oleuropein, kaemferol, resveratrol dimer, luteolin, epicatechin, theobromine, caffeine, iso-humolones, colaflavone, chlorogenic acid, feruloyl-caffeoylquinic acid, and coumaroylquinic acid. This study creates a new technique for producing chocolate spread formulated with candlenuts with lower bitterness levels.
Effect of Different Types of Biochar Applications and Phosphate Fertilizer on the Quality and Yield of Edamame Soybeans on Andisols Ramdhana Karimah; Benito Heru Purwanto; Eko Hanudin; Sri Nuryani Hidayah Utami; Margi Asih Maimunah
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.80217

Abstract

Edamame soybean (Glycine max (L.) Merr.) cultivation in phosphorus-limited Andisols presents a formidable challenge due to restricted phosphorus availability despite high phosphorus retention. Unlocking the full potential of this crop demands innovative solutions. This study delves into the transformative effects of biochar and phosphorus fertilizer, individually and synergistically, on edamame soybean growth in Andisols. Employing a randomized complete block design, researchers investigate three types of biochar (B0: control, B1: biochar pellets, B2: biochar powder) and four phosphorus fertilizer rates (P0: control, P1: 27 kg ha-1 P2O5, P2: 54 kg ha-1 P2O5, P3: 81 kg ha-1 P2O5). The bamboo-derived biochar was produced using the Kon-tiki method at ±500 °C. The study reveals no significant interaction between biochar and phosphorus fertilizer. Individually, treatments with B1, B2, and phosphorus fertilizers significantly enhance ammonium, nitrate, and phosphorus availability compared to B0 and P0. Biochar-induced modifications improve phosphorus and nitrogen absorption by roots, resulting in increased shoot dry weight and the root/shoot ratio. However, the number of leaves is solely influenced by phosphorus fertilizer treatment. Additionally, both biochar and phosphorus fertilizers contribute to nitrate reductase activity, root volume, an increased number of pods per plant and higher protein content in edamame soybeans. B2 outperforms B1 and high P3 intensifies this effect, improving nutrient uptake and yield. In summary, biochar and phosphorus fertilizers demonstrate significant potential to revolutionize edamame soybean cultivation in phosphorus-limited Andisols, optimizing pod number per plant and enhancing quality with elevated protein content.
Composting of Rice Straw–Based Materials using Aerobic Bioactivator Isolated from Rice Straw, Mahogany Bark and Cassava Peels Vita Ratri Cahyani; Rahayu Rahayu; Kynthavi Paramitha Lakshitarsari; Rahma Amira Zhalzhabila Wakak Megow; Nadine Yuki Azzahra
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.74297

Abstract

Compost is one of organic fertilizers that play an important role in maintaining soil health and supporting sustainable agriculture. Diverse aspects could be developed to increase the quality of compost. This study aims to compare the quality of compost produced by using two different bioactivators, namely aerobic bioactivator RMC (the microbial consortia isolated from composted rice straw, mahogany bark and cassava peels + additional supplement) and fermentative bioactivator (EM4 + molasses) in the composting of the mainly rice straw-based materials. Composting was conducted using a single factor completely randomized design consisting of five levels as follows: C0 (control, rice straw); C1 (rice straw + bioactivator EM4 + molasses); C2 (rice straw + bioactivator RMC + additional supplement); C3 (rice straw + cow dung + bioactivator RMC + additional supplement); C4 (leaf litter + cow dung + bioactivator RMC + additional supplement, as comparison treatment with no rice straw). Among the treatments of C0, C1 and C2, composting the same rice straw material but different bioactivators, C2 showed the highest compost quality and decomposition rate. Among the other three treatments of C2, C3 and C4 composting different materials but using the same bioactivator, C3 showed the highest compost quality, but the three treatments showed the same high decomposition rate. Based on the characteristics of the compost product, including nutrient content, the treatment C3 produced the highest quality, followed by C4 and then C2. Both bioactivators EM4 + molasses and RMC+ additional supplement tended to increase total bacteria, fungi, nitrogen-fixing bacteria and phosphate-solubilizing microbiota in the compost products compared to the control without bioactivator. A set of aerobic bioactivator RMC plus additional supplement serve as one strategy to accelerate the composting process and to enhance the compost quality.
Status and Development of Agricultural Public-Private Partnership Program Implementation in China Qiliang Hu; Harry Entebang; Chin-Hong Puah
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.83311

Abstract

As the initiator of the Belt and Road Initiative, the Chinese Government’s goal in agriculture is to promote the sustainable development of agriculture throughout China and the world. One of the feasible ways to realize this goal is to adopt the Public-Private Partnership (PPP) model. This study aims to analyze the current status of agricultural PPP projects in China and their impacts. This study utilized the Ministry of Finance database to collect 2014 to 2022 data on agricultural PPP projects in China. The collected data were organized and analyzed to analyze the current situation and return mechanism of Chinese agricultural PPP projects. The results show that China’s agricultural PPP projects are less attractive than other sectors, government and social-private sector cooperation is less sustainable, and laws and regulations and risk assessment are not well developed. Therefore, this study proposes to promote the development of agricultural PPP projects by standardizing the law, improving the return mechanism, and strengthening the risk assessment. Thus, it further promotes the sustainable development of agriculture and plays a certain positive role.
Utilization of Chia Seeds Powder in Wet Noodle Substituted with Modified Cassava Flour Intan Cidarbulan Matita; Lucia Crysanthy Soedirga; Irene Andriani
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.77711

Abstract

The Indonesian food industry needs to utilize local food commodities as an alternative to wheat, supporting local farmers as part of sustainable agriculture. Modified cassava flour (MOCAF) has similar characteristics to wheat flour yet it lacks gluten and has low protein content. Chia seeds have the potential to improve the textural characteristics of gluten-free products due to their gel-forming ability and are a good source of plant-based protein. This study aims to utilize chia seed powder in the formulation of wet noodles substituted with MOCAF to possibly obtain wet noodles with equal textural characteristics and protein content to 100% wheat flour noodles. In this study, different ratios of wheat flour to MOCAF (100:0, 90:10, 80:20, 70:30, 60:40) and different amounts of chia seed powder (0%, 5%, 10%, 15%) are studied in terms of cooking quality (cooking loss and water absorption), textural properties (hardness, cohesiveness, and chewiness), color (brightness and hue angle). Higher MOCAF substitution resulted in higher water absorption and cooking loss, as well as undesirable (harder) textural properties. Incorporation of chia seeds powder successfully lowers the cooking loss and higher water absorption of the MOCAF-substituted noodles and noodles with 100% wheat flour without chia seeds powder. Chia seed powder can reduce the hardness while maintaining and increasing the chewiness of the MOCAF-substituted noodles. In the MOCAF-substituted noodles, comparable protein content to that of 100% wheat flour noodles can be achieved with the use of 10 to 15% chia seeds powder at a maximum 80:20 substitution ratio.
Farmers’ Income and the Driving Forces for the Switch from Shifting Cultivation to Settled Agriculture in Meghalaya, India Mebaaibok L Nonglait; Nicholas Khundrakpam; Pratibha Deka
Caraka Tani: Journal of Sustainable Agriculture Vol 39, No 1 (2024): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v39i1.76129

Abstract

This study assesses the dependence of farmers on semi-settled (a combination of shifting and settled cultivation) and settled agriculture as a source of family income. The farmers residing in the hilly tracts of West Garo Hills mostly adopt semi-settled cultivation. Farmers are also transitioning from semi-settled to settled agriculture. This study was conducted to investigate the factors influencing the transition and the socioeconomic conditions of farmers practicing semi-settled and settled agriculture. The researchers surveyed 119 randomly selected households in West Garo Hills, a district of Meghalaya, India, using a structured questionnaire. Exploration of influencing factors for transitioning is important to provide insights into how factors interact, thereby facilitating the development of effective adaptation strategies and policies that will ensure farmers’ future well-being. Results showed that settled farmers generate more income and possess more land area than semi-settled farmers. Besides available land area, a stable source of income for a family is a strong determinant for abandoning shifting cultivation and transitioning to settled agriculture to boost income with less time investment and labor. The farmers found that shifting cultivation helped meet their dietary needs and some income during the COVID-19 lockdown. Alongside efforts to boost commercial agriculture, the government should also assist farmers with limited resources in transitioning to settled agriculture by building market networks for the goods produced from shifting cultivation.

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