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Tropical Plantation Journal
Published by Akademi Komunitas Perkebunan Yogyakarta
ISSN : 28281551     EISSN : 28281543     DOI : https://doi.org/10.56125
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Tropical Plantation Journal Akademi Komunitas Perkebunan Yogyakarta is a peer-reviewed, open-access scientific journal published by ,Tropical Plantation Journal aims to publish quality and original research articles in the field of plantations that include: Agrotechnology Management and agribusiness Socio-economic plantations Plant Physiology Plant breeding and genetics Plant protection Soil science and fertilization Biotechnology Agroclimatology
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 13 Documents
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Search results for , issue "Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL" : 13 Documents clear
The Effect of Price, Product Quality, and Service Quality on Consumer Satisfaction of Coffee Drink Products at Tilasawa Coffee Roaster Vaoria, Tafuzi; Etika Rini, Wulandari Dwi; Santoso, Agus
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.82

Abstract

The purpose of this study is 1) To identify the characteristics of respondents of coffee beverage products at Tilasawa Coffee Roaster. 2) To identify the average score of respondents' answers to the variables that affect consumer satisfaction of coffee beverage products at Tilasawa Coffee Roaster. 3) To analyze the effect of price, product quality and service quality on consumer satisfaction of coffee beverage products at Tilasawa Coffee Roaster. This study uses a quantitative approach with a descriptive research type, the determination of the location is determined by the purposive method and the method of selecting respondents using accidental sampling. The number of participants involved is 40 respondents. The data analysis technique used is descriptive analysis and multiple linear regression. The results of the study show that 1) The characteristics of respondents of coffee beverage products at Tilasawa Coffee Roaster are dominated by female gender, the age of respondents is dominated by 17-21 years old, the domicile or place of residence of respondents in this study is dominated by Yogyakarta, the last education of respondents is dominated by taking their last education at the high school level (SMA) and the occupation is dominated by students or college students. 2) The average score of respondents' answers on the price variable (X1), product quality variable (X2), service quality (X3) and consumer satisfaction (Y) are included in the satisfied category. 3) Price, product quality, and service quality have an individual and joint effect on consumer satisfaction of Tilasawa Coffee Roaster coffee beverage products.
Substitution Media by Utilizing Banana Peel for In Vitro Culture of Chrysanthemum morifolium Handayani, Etty; Rineksane, Innaka Ageng; Sari, Supriyatin Kartika; Permatasari, Fany
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.68

Abstract

The use of organic matter in the in vitro culture medium can reduce costs for micropropagation and multiplication of Chrysanthemum in mass production. This study aims to examine the use of banana peel waste in the in vitro culture of Chrysanthemum. The research used an experimental method with single factor and eight treatments with 3 samples and 3 replications. The treatments were: (1) MS medium +  BAP 1 ppm + NAA 0.5 ppm, (2) Foliar fertilizer 3 g/L +  coconut water 150 mL/L, (3) banana endocarp puree 50 g/L, (4)  banana endocarp puree 100 g/L, (5)  banana exocarp puree 50 g/L, (6) banana exocarp puree 100 g/L, (7) banana peel puree 100 g/L, and (8) banana peel puree 100 g/L. All banana peel puree treatments were combined with foliar fertilizer 3g/L + coconut water 150 mL/L. The explant used a single nodus of Chrysanthemum with one leaf resulting from the previous in vitro culture. This study used Chrysanthemum varieties Naweswari and Tadasita from Ornamental Plants Research Center, West Java, Indonesia. The results showed that foliar fertilizer medium added by banana peel puree and coconut water has the good potential to be used as a substitution medium in the in vitro culture of Chrysanthemum varieties Naweswari and Tadasita. The banana peel puree  50 g/L in the foliar fertilizer medium shows the best growth in Chrysanthemum in vitro culture in both Naweswari and Tadasita varieties.
Analysis of The Relationship Between Attitude and Leadership in Improving The Performance of Harvest Foremen: A Case Study of Oil Palm Plantations Aji, Wandha Atmaka
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.84

Abstract

This study analyzes the relationship between attitude and leadership in improving the performance of harvest supervisors in oil palm plantations. Harvest supervisors play a strategic role as a link between management and field workers, where their personal attitude and leadership quality directly affect productivity and the quality of fresh fruit bunches (FFB). A quantitative descriptive approach was employed through case studies in several estates in South Sumatra, involving 118 respondents. The attitude variable was measured through indicators such as integrity, commitment, loyalty, innovation, and self-confidence, while the leadership variable included work instructions, task distribution, work evaluation, motivation, and occupational health and safety (OHS). Results show that the average score for attitude was 3.26 and for leadership 3.29 (on a 1–4 scale). Performance distribution indicated 15% of supervisors in category A (76), 65% in category B (56–75), and 20% in category C (55). A positive correlation was found between positive work attitudes and effective leadership, which contributed to higher performance outcomes. Estate E achieved the highest scores (3.93), while Estate C recorded the lowest (3.00–3.06). These findings highlight the need to strengthen innovation, motivation, and OHS practices as priorities in supervisor development programs. The study contributes to human resource management in agribusiness by providing practical recommendations, particularly leadership training based on positive work attitudes, to sustainably improve harvest performance.
The Effect of Hatch and Carry Distance of Elaeidobius Kamerunicus on Fruit Set and Bunch Weight of Oil Palm (Elaeis guineensis Jacq.) Hartono, Hartono; Susanto, Agus; Kurniawan, Indra; Saloko, Subakho Aryo; Putra, Arief Panca; Nurcahyono, Nurcahyono
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.83

Abstract

Hatch and carry is a breeding and distribution system for the primary pollinator of the oil palm, Elaeidobius kamerunicus. Information on the optimal distance for the Hatch and Carry application on pollination success and bunch productivity is still limited. This study aims to determine the effective distance of Hatch and Carry on fruit set and bunch weight in oil palm. The study used a quantitative method with a Completely Randomized Design (CRD), including Hatch and Carry distance treatments at radii of 10 m, 100 m, 200 m, 300 m, and 400 m, as well as assisted pollination techniques as a comparison. Data on fruit set and bunch weight were analyzed using analysis of variance (ANOVA) at the 95% confidence level, followed by the Duncan Multiple Range Test (DMRT). The results showed that the highest fruit set was observed at 10–200 m and was not significantly different, but decreased significantly at 300 m and 400 m. The same pattern also occurred for bunch weight, with the highest value at 100 m. The assisted pollination technique produces fruit set equivalent to the effective Hatch and Carry distance of 10–200 m. This study concluded that the effective distribution range of E. kamerunicus is within a radius of 200–300 m; thus, Hatch and Carry technology has the potential to be an efficient alternative for increasing oil palm productivity.
Effect of Dolomite and NPK on The Growth and Yield of off-Season Shallots Iswahyudi, Iswahyudi; Haryanto, Eddy Tri; Supriyono, Supriyono; Al-batul, Fitrotunnisa; Samanhudi, Samanhudi; Irawati, Erni; Rahayu, Muji; Purwanto, Edi
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.74

Abstract

Shallot is a high-value horticultural commodity. Its productivity often declines due to suboptimal soil conditions, such as low pH and imbalanced nutrient availability, especially when cultivated off-season. This study aimed to determine the optimal combination of dolomite and NPK (Nitrogen, Phosphorus, Potassium) fertilizer for the growth and yield of shallot cultivated in the off-season. The research was conducted in Ngringo Village, Jaten District, Karanganyar Regency from February-April 2025. The method used was a factorial Completely Randomized Design (CRD) with two factors and three replications. The first factor was dolomite doses (0; 2000; and 4000 kg.ha-1) and NPK fertilizer doses (250; 375; and 500 kg.ha-1). Observed parameters were plant height, number of leaves, fresh and dry biomass weight, fresh and dry bulb weight, number of bulbs per plant, and bulb diameter. Data were analyzed by analysis of variance (ANOVA) at a 95% significance level and continued with Duncan’s Multiple Range Test (DMRT) with 95% significance level when significant differences were found. The results showed no significant interaction between dolomite and NPK fertilizer on shallot growth and yield. Dolomite at 2000 kg.ha-1 significantly increased the number of leaves, while NPK fertilizer had no significant effect. However, 250 kg.ha-1 of NPK fertilizer produced similar results to higher doses, indicating potential fertilizer efficiency. Environmental conditions such as high humidity and low light intensity likely influenced treatment effectiveness.
Mapping the Potential of Corporate Social Responsibility (CSR) Programs in Palm Oil Plantations Manto, Agus; Gunawan, Sri
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.89

Abstract

The oil palm plantation industry adheres to the concept of sustainability paradigm on 3 main principles, namely profit, people (social society) and planet (environment). One of the social issues is to keep community involvement in running the oil palm plantation business process stable. With the existence of social problems in the community regarding oil palm plantations, the company as a stakeholder seeks to implement Corporate Social Responsibility (CSR) programs with the hope of establishing a harmonious relationship between the company and the local community and the establishment of cooperation so that the community benefits both socially, economically and culturally. This potential mapping program is expected to be the foundation for oil palm plantation companies to determine appropriate coaching programs to improve the welfare of the community around the company by analyzing the description of production aspects, market aspects, administrative financial aspects, human resource aspects, sustainability aspects in each potential business. The research is focused on 2 sub-districts and 1 district in the province of Central Kalimantan. From the results of the analysis , it was concluded that the potential for CSR for horticulture committees and fisheries and livestock commodities became a priority program due to limited needs and supplies.
Study of Liquid Organic Fertilizer Application with Empty Palm Oil Bunch Ash Nano on Soyabean (Glycine max L.) Samidjo, Gatot Supangkat; Mulyono, Mulyono; Isnawan, Bambang; Febriani, Henny; Ngafwan, Ngafwan
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.85

Abstract

Proper fertilization is an effort to increase soybean production. This study aimed to examine the effect of Liquid Organic Fertilizer (LOF) application enriched with Empty Palm Oil Bunch (EPOB) Ash Nano  and determine the optimal concentration on soybean growth and yield. This research was carried out at the Experimental Field of the Faculty of Agriculture, Universitas Muhammadiyah Yogyakarta. This research was conducted using a single factor experimental method which was arranged in a Completely Randomized Design. The treatments tested were rabbit urine LOF; Rabbit urine LOF + EPOB Ash Nano 1%; Rabbit urine LOF + EPOB Ash Nano 2%; Rabbit urine LOF + EPOB Ash Nano 3% and rabbit urine LOF + EPOB Ash Nano 4%. The results showed that the application of  rabbit urine LOF + EPOB Ash Nano 4% could increase soybean growth and was able to increase the dry weight of 100 seeds. Application of rabbit urine LOF enriched with EPOB Ash Nano can save nitrogen nutrient fulfillment for soybeans by up to half the recommended dose. 
The Ability of Independent Farmers to Meet the Needs of Life during Replanting Burhan, Djono Albar; Apriyanto, Mulono; Azhar, Ali; Fikri, KMS Novyar Satriawan; Yulianti, Yulianti
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.75

Abstract

The cultivation of oil palm has enhanced welfare and food security for economically disadvantaged families in Indonesia.   In Riau Province, the majority of farms are owned by independent smallholders.   The land area with old or damaged crops constitutes 43.38% of the total area.  Smallholders must undertake replanting to prevent a decline in productivity and income.   The research aims are: 1) to describe oil palm replanting in the Tapung Sub-District of Kampar Regency, and 2) to analyze the revenue of smallholders.  3) Forecasting the impact of smallholder income on home living expenses during the replanting phase.  This research was conducted using descriptive and quantitative methods.   The findings indicated a replanting area of 1.96 hectares for the oil palm field.  Before replanting, the income from palm oil farming was IDR 4,229,530 per month.   Following replanting, when crops had failed to produce, smallholders' revenue amounted to IDR 1,239,486 per month derived from the cultivation of food crops, specifically maize, chile, and peanuts.The monthly household expenses amount to IDR 2,613,542, with income from horticultural or food plant cultivation contributing 47.42 percent.  It signifies the usage of palm coil upright land prior to agricultural yield as a policy under scrutiny for its impact on household income.
Farmers' Behavior Towards the Risks of Cabbage and Chicory Farming in Plaosan District, Magetan Regency, East Java Sriyadi, Sriyadi; Isnawan, Bambang
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.86

Abstract

Vegetable horticultural goods like chicory and cabbage often face production and income risks. Rational farmers tend to be risk averse. Disparities in decision-making can result from individual differences in risk aversion. This study aims to (1) analyze the level of risk of costs, production, and income of cabbage and chicory farming; (2) analyze farmers' behavior towards the cost risk, production, and income of cabbage and chicory farming; and (3) analyze social factors that affect farmers' behavior on the risks of cabbage and chicory farming. A descriptive analytical method was used in the study. Observation and structured interviews with 100 farmers of cabbage and 100 farmers of chicory utilizing questionnaires were used to gather data. The findings indicate that growing cabbage is riskier than growing chicory. Regarding both commodities, the majority of farmers behave in a risk-averse manner. Risk aversion falls with better education, more years of agricultural experience, larger households, and higher farm revenue, but rises with larger acreage, older age, and more frequent crop failure. In general, farmers who grow cabbage are less willing to take risks than those who grow chicory. In order to lower farming hazards and increase revenue stability, extension programs are crucial for enhancing farmers' knowledge of the best times to grow chicory and cabbage.
The Potential of Palm Oil Waste Biomass as a Mushroom Growing Medium: A Preliminary Study of Nutrient Content HP, Julsento; Puspitasari, Herlina Mega; Abdila, Wini Prayogi
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.77

Abstract

The expansion of oil palm plantations has resulted in large amounts of biomass waste that has the potential to be used as a substrate for mushroom cultivation. However, information on the nutrient content of various types of oil palm waste is still limited. This study aims to analyze the macro nutrient content (organic C, N, P, K, Ca, Mg) and C/N ratio of three types of palm oil waste, namely empty fruit bunches, fronds, and leaves. Laboratory analysis was performed using the Walkley Black method for organic C, Kjeldahl for total N, and Atomic Absorption Spectroscopy (AAS) for P, K, Ca, and Mg. The results showed that empty fruit bunches had the highest organic C content (57.24%) and relatively high K and Mg, making them a potential carbon source. Leaves have a higher N content (0.26%) with the lowest C/N ratio (114.58), making them decompose more quickly. Fronds have the highest Ca content (0.61%) but a very high C/N ratio (332.40), requiring a longer decomposition time. Overall, each type of palm oil waste has specific nutrient advantages that can complement each other when used in combination. These results provide a scientific basis for utilizing palm oil waste as a more efficient and environmentally friendly alternative growing medium in mushroom cultivation.

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