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INDONESIA
Jurnal Ecosolum
Published by Universitas Hasanuddin
ISSN : 22527923     EISSN : 2654430X     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science
Jurnal Ecosolum (JES) adalah jurnal berkalah ilmiah yang diterbitkan oleh Departemen Ilmu Tanah, Fakultas Pertanian, Universitas Hasanuddin. Jurnal ini berisi hasil-hasil penghiliran penelitian pada bidang ilmu pertanian, kehutanan, geologi, geografi, hidrologi, dan penginderaan jauh. Jurnal ini diterbitkan dua kali dalam setahun yaitu pada Juni dan Desember.
Arjuna Subject : -
Articles 106 Documents
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Dinamika Aliran Nitrogen pada Fase Reproduktif Padi dalam Sistem Minapadi Berbasis Pakan Limbah Pertanian: Dynamics of Nitrogen Flow During the Reproductive Phase of Rice in a Rice-Fish Farming System Based on Agricultural Waste Feed Nasrul, Muhammad; Rasyid, Burhanuddin; Abbas, Muh.; Saade, Edison; Marselianti
Jurnal Ecosolum Vol. 14 No. 1 (2025): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i1.44285

Abstract

Nitrogen use efficiency during the reproductive phase is critical for rice yield and grain quality. The rice-fish (minapadi) system that utilizes fish feed made from agricultural waste has the potential to enhance nitrogen availability through fish feces contribution. This study aimed to analyze the dynamics of nitrogen flow from soil to rice leaves and grains during the reproductive phase in a minapadi system. Four feed treatments were applied: no feed (N0), 5% Nitrogen (N1), 7% Nitrogen (N2), and 9% Nitrogen (N3). Nitrogen content was measured in soil, leaves, and grains during the primordia, flowering, and grain-filling stages. The results showed that N3 led to the highest nitrogen flow, with leaf N content reaching 3.1% and grain N content at 1.47%. This system demonstrates improved nutrient efficiency through the synergy between fish and rice, promoting sustainable agriculture based on local resources.
Respons Pertumbuhan Dan Produksi Sawi (Brassica Juncea) Terhadap Berbagai Jenis Nutrisi Dan Media Tanam Dalam Sistem Hidroponik Irigasi Tetes: The Response of Growth and Production of Mustard (Brassica Juncea) to Various Nutrients and Media for Hydroponic Planting in Drip Irrigation System Saleh, Zasmitha; Rampisela, Agnes Dorothea; Jayadi, Muh
Jurnal Ecosolum Vol. 14 No. 1 (2025): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i1.13765

Abstract

The carrying capacity of agricultural land is important to determine the extent of the ability of the land to support food needs, but wherever there is a land problem that results in low productivity of agricultural products. Organic farming is very important. The use of organic matter for soil fertility is expected that farmers will be more aware of using liquid organic fertilizers (POC) and the use of plant waste as a planting medium. The hydroponic system replaces the function of the soil as a support for plant roots by circulating nutrients, water and oxygen into the garden media. Provision of water in small and sustainable volumes through drip irrigation aims to keep the planting medium moist and avoid losses such as percolation and runoff. Automatic water control in drip irrigation is a new breakthrough to increase the efficiency of water use in the root zone. Hydroponics as an innovation meets food needs independently as a solution to the limited carrying capacity of agricultural land by knowing the different effects of nutrition and planting media on the response to growth and mustard production. This research was conducted in Tamalanrea District with climatic conditions according to the Makassar City Central Statistics Agency in 2020 with an average; daily temperature 28.39 oC, humidity 81%, rainfall 229.16 mm3, daily amount of rain 15 days / month and length of exposure 73.25%, Makassar City. Research on the growth response of mustard plants to determine the effect of the use of nutrients and media on mustard greens. The study used a factorial nested design consisting of two factors. The first factor is the nutritional treatment (N), namely Nb = POC for fruit, Ns = POC for vegetables and Nx = nutrition AB Mix. The second factor is the treatment of the planting medium (M), namely Mrw = rockwool, Mas = husk charcoal and Mcp = cocopeat. The nutritional composition of the fruit liquid organic fertilizer (Nb) in the treatment gave the best results with an average of 407.27 cm2 of leaves, 26.18 g of fresh weight of leaves and stems, 10.82 g of fresh root weight, 2.29 mL of root volume, dry weight of leaves and stem 0.26 g, and root dry weight 0.14 g. whereas in the planting medium rangsekam (Mas) gave the highest response to growth and production of mustard greens on the observed parameters with an average plant height of 11.53 cm, number of leaves 6.83, leaf area 393.86 cm2, chlorophyll index 248525.91 , leaf and stem fresh weight 27.49 g, root fresh weight 8.56 cm, root volume 2.30 mL, plant ratio 3.50%, and root dry weight 0.13. Nutritional treatment of fruit POC (Nb) and rangsekam plant media gave the best results in mustard greens.
Studi Ketahanan Pangan dalam Menjaga Kemandirian Pangan di Kecamatan Kulo: Study of Food Security in Maintaining Food Independence in Kulo District Zaenal; Chaeruddin, Zulkarnain; Ahmad, Asmita
Jurnal Ecosolum Vol. 14 No. 2 (2025): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i2.35878

Abstract

Food is a basic need that must always be met. As a country with relatively high population growth, Indonesia cannot escape the threat of the global food crisis. This is due to the increasing population growth rate, resulting in higher food consumption by the community. The aim of this research is to study food security in Kulo District using a land intensification approach, in this case fertilization and water management. This research was carried out using the tiling method in calculating productivity rates and carrying out N, P, and K analysis on soil samples to determine the level of fertility in rice fields and to estimate the projected productivity of rice fields using exponential equations so that it can project the results of rice field productivity up to the year 2045. The population growth rate in Kulo District from 2025 to 2045 is 2,06%. The highest population projection result is in 2045, reaching 15.450,59 people, with a per capita consumption of 81,044 kg per person per year in Kulo District. In calculating the rate of productivity of rice fields in Kulo District, it has decreased by 0,043%, with the lowest productivity recorded in 2045 at 32.146 kg ha-1, which is still sufficient to meet the food needs of the people in Kulo District. The highest N content analysis results were found in U1 (0,44%). The highest P analysis results were found in U5 (14,92 ppm). The highest K nutrient content was in sample U4 (0,26). Food conditions in Kulo District are still classified as surplus; however, there are problems with the fertility conditions in the rice fields. Therefore, efforts are needed to increase the fertility of the rice fields in terms of fertilization and water use.
Indeks Kesuburan Tanah Perkebunan Kopi Arabika (Coffea Arabica L.) di Agrowisata Pango-Pango Tana Toraja: Soil Fertility Index of Arabica Coffee Plantations (Coffea Arabica L.) in Pango-Pango Agrotourism, Tana Toraja Tiara, Mutiara Cantika Garcia; Nathan, Muhammad; Jayadi, Muhammad
Jurnal Ecosolum Vol. 14 No. 1 (2025): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i1.44315

Abstract

Arabica coffee (Coffea arabica L.) plantations in Pango-Pango Agrotourism, Tana Toraja Regency, were surveyed for soil fertility index. Coffee plant production is greatly influenced by soil fertility, especially in the highlands, which are ideal habitats for Arabica coffee. This study aims to determine the soil fertility index of Arabica coffee plantations planted at different land heights in the community garden location of Pango-Pango Village, Tana-Toraja Regency at various elevations. The study was conducted using a survey method and laboratory analysis of nine soil samples from two elevation groups: 1500–1600 masl and 1600–1868 masl. The soil chemical parameters analyzed were pH, cation exchange capacity (CEC), organic C, total N, available P, K-dd, Ca-dd, Mg-dd, and Al-dd saturation. The results showed that the soil fertility index (SFI) varied from a rather low class to a rather high class, with soil pH generally acidic, and Al-dd relatively high. Although the temperature and micro humidity support the growth and production of coffee plants, due to the old age of the plants (around 28 years), low fertilizer input, and limited cultivation techniques, the productivity of the coffee plants is still relatively low. The soil fertility index at an altitude of 1500–1600 m above sea level is classified as rather low to moderate, with several soil chemical parameters that are not yet optimal. Meanwhile, at an elevation of 1600–1868 m above sea level, the soil fertility index increases to the moderate to rather high class even though the soil pH is still acidic and the Al-dd content is relatively high.
Pengaruh Pemberian Berbagai Dosis Rhizobium terhadap Produktivitas Tanaman Kedelai Edamame (Glycine max (L.) Merill.): Effectiveness of Chicken Manure and Various Doses of Rhizobium on the Productivity of Edamame Soybean Plants (Glycine max (L.) Merill.) Munir, Muhammad Rifki; Lias, Syamsul Arifin
Jurnal Ecosolum Vol. 14 No. 1 (2025): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Background. Edamame soybeans are a type of soybean with larger pods than common soybeans and contain a relatively high nutritional value. Nitrogen availability is a key factor in determining the productivity of edamame soybean (Glycine max (L.) Merill.), and the application of Rhizobium is one of the effective methods to enhance biological nitrogen fixation. Objective. This study aimed to evaluate the effect of various Rhizobium doses on the productivity of edamame soybean plants. Method. The experiment was conducted at the experimental field of the Soil Research Institute from August to October 2025 using a one-factor randomized block design (RBD) with four Rhizobium dose levels: no inoculation, 7.5 g/kg seed, 15 g/kg seed, and 22.5 g/kg seed, each replicated three times. Local edamame soybean seeds were incubated with Rhizobium according to the treatment dose prior to planting. Observations included root nodule distribution, nodule size, nodule color, number of leaves, plant height, flowering time, and fresh pod weight per plot. Results. Initial soil analysis indicated acidic conditions (pH 5.0–5.5) with low nutrient content. After treatment, all soil chemical parameters improved, with soil pH increasing to 6.15–6.67, organic C to 1.61–1.90%, total N up to 0.29%, available P₂O₅ up to 16.48 ppm, cation exchange capacity (CEC) up to 23.96 cmol(+)/kg, and increases in Ca, Mg, Na, and K cations. The 22.5 g/kg seed Rhizobium treatment (I3) tended to produce the highest plant growth (33.2 cm height and 27.8 leaves) and the highest soil pH, organic C, and P₂O₅ values, although the differences were not statistically significant for all growth and yield parameters. Conclusion. Analysis of variance showed that the Effect of Various Rhizobium Doses had no significant effect on all treatments. Root nodule distribution and color parameters indicated that nitrogen fixation was not occurring effectively.
Strategi Pengelolaan Lahan Sebagai Upaya Optimalisasi Produksi Tanaman Hortikultura di Kecamatan Samarinda Utara: Land Management Strategies for Optimizing Horticultural Crop Production in North Samarinda District Nur Isra; Deny Maruf, Shalehudin; Pala’langan Toding Layuk, Christopaul; Sumpala, Andi Gita Tenri; Manggiling, Nizard Cakra; Gibran, Muhammad Rayhan
Jurnal Ecosolum Vol. 14 No. 2 (2025): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i2.47883

Abstract

The strategic role of the agricultural sector in Samarinda City, particularly in North Samarinda District, supports food security and the regional economy. North Samarinda District holds a crucial position as an agricultural buffer zone in Samarinda, but in the past five years, there has been a significant decrease in horticultural production, such as tomatoes from 1,467.9 tons in 2021 to 263 tons in 2024, chilies from 236.2 tons to 129.9 tons, and shallots from 7.5 tons in 2022 to 1.1 tons in 2023. Various challenges, including climate change, land degradation, and urbanization, have contributed to a decline in agricultural productivity. This study aims to evaluate land suitability to optimize horticultural crop production in the region. The research method employed is a land suitability analysis using a Geographic Information System (GIS) approach, which identifies biophysical factors such as soil texture, pH, and soil depth, as well as soil sampling for further analysis. The results show that most of the land in North Samarinda District has S3 (marginally suitable) land suitability for shallots, chilies, and tomatoes. The suitability class for S3 is influenced by limiting factors such as rainfall, soil pH, erosion, and slope. Further discussion reveals that technical improvements, such as fertilization, the addition of organic matter, and terrace construction, can enhance land suitability. Through appropriate technical improvements, land suitability can be upgraded to class S2 (moderately suitable), which in practice will support increased horticultural yields and strengthen food security in North Samarinda.

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