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Dr. Ir. Endang Yuniastuti, M. Si.
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agrosainsjurnal@gmail.com
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Jl. Ir Sutami No.36A, Jebres, Kec. Jebres, Kota Surakarta, Jawa Tengah 57126
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INDONESIA
Agrosains: Jurnal Penelitian Agronomi
ISSN : 14115786     EISSN : 26557339     DOI : https://doi.org/10.20961/agsjpa
Core Subject : Agriculture,
Agrosains: Jurnal Penelitian Agronomi publishes articles related to agriculture such as plant physiology, crop production, physiology and seed production, soil science, plant breeding, plant protection, agro-climatology, agroecology, and plant biotechnology.
Articles 66 Documents
The Effect of Growth Regulator Formulation and Boron on The Growth and Yield of Shallot Varieties Puji Harsono; Ade Widya Putri; Eddy Tri Haryanto; Gani Cahyo Handoyo
Agrosains : Jurnal Penelitian Agronomi Vol 27, No 1 (2025): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v27i1.100603

Abstract

Regulators (PGRs) are used to stimulate the development and growth of bulbs in order to produce a large number of bulbs. This study aims to identify the effect of PGRs and boron formulations that can increase the growth and yield of several variety of shallots. This research took place in the cultivation field of Ngringo Village, Jaten District, Karanganyar Regency from April-August 2023. The method used was a Complete Randomized Blok Design (CRBD) consisting of two factors with four replications. The first factor was PGRs and Boron formulation (without and with GA3 200 ppm+BAP 50 ppm+NAA 50 ppm+ IAA 300 ppm + 1500 ppm boron formulation). The second factor was variety (Bima Brebes, Maja Cipanas, Batu Ijo and Tajuk). Data were analyzed by F test with 95% confidence level followed by Duncan’s Multiple Range Test (DMRT) with 95% confidence level. The results showed that the application of PGRs formulations GA3 200 ppm + BAP 50 ppm + NAA 50 ppm +IAA 300 ppm + 1500 ppm boron on shallots of Tajuk varieties was able to increase number of leaves by 5 leaves and able to increase number of bulbs per clump of 3 bulbs compared to without the aplication of PGRs and boron formulations. The Tajuk variety provides the best growth in fresh weight of 16 g higher stalks and in the yield of fresh weight of bulbs per clump 23 g compared to the Batu Ijo variety. Shallots treated with 200 ppm GA3 + BAP 50 ppm + NAA 50 ppm +IAA 300 ppm + 1500 ppm boron have not shown an increase in growth and yield accros various shallot varieties.
Geospatial-Based Decision Framework For Mitigating Potential Soil Degradation Risks in Sustainable Agriculture Halong, South Kalimantan Muhammad Rizky Romadhon; Suman Georges; Abdul Hadi; Muchammad Bima Gegana Sakti; Adhia Azhar Fauzan; Meldia Septiana; Ratna Ratna; Aditya Dyah Utami; Zikra Auliyya; Ismi Nuari Puspitaningrum
Agrosains : Jurnal Penelitian Agronomi Vol 28, No 1 (2026): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v28i1.108954

Abstract

Soil degradation is a major constraint to agricultural sustainability, particularly in areas characterised by diverse environmental conditions. Halong District, Balangan Regency, South Kalimantan Province, is characterised by heterogeneous land uses, soil types, slope variations, and variable rainfall patterns, which influence soil quality and degradation risks. This research aims to assess the potential for soil degradation concerning environmental diversity and its implications for sustainable integrated agriculture. The study highlights that differences in land use, from shifting cultivation to permanent farming, combined with acidic soils, steep slopes, and uneven rainfall distribution, increase vulnerability to erosion, nutrient depletion, and declining soil fertility. The results show that the Potential Soil Degradation Risk (PSDR) in the low-risk class (PSDR.II) covers 298.22 km2 (45.20%), followed by the intermediate-risk (PSDR.III) covering 335.15 km2 (50.79%), and the high-risk (PSDR.IV) covering 26.48 km2 (4.01%). Land use and slope are determining factors for PSDR, as indicated by ANOVA, DMRT, and correlation test results. Understanding these linkages is essential for designing site-specific land management practices that reduce degradation risks while improving agricultural productivity. The outcomes of this research are expected to provide scientific recommendations for stakeholders in developing sustainable agricultural management strategies, such as soil conservation, organic matter management, and integrated crop-livestock systems, to mitigate degradation risks and support long-term agricultural resilience in Halong District.
Morphophysiological Characterization and Size of Source and Sink in Upland Rice under Different N Conditions Dani Ahmad Lazuardi; Iskandar Lubis; Heni Purnamawati
Agrosains : Jurnal Penelitian Agronomi Vol 28, No 1 (2026): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v28i1.115717

Abstract

Nitrogen is an essential nutrient that plays a key role in regulating growth, physiological processes, and yield formation in lowland rice, primarily through its influence on the source-sink balance. Yield variation among upland rice varieties is closely related to differences in photosynthetic capacity, assimilation efficiency, and grain filling during the generative phase. Therefore, understanding the response of source and sink morphophysiological traits and upland rice yield components to nitrogen application under dryland conditions is crucial. This study aimed to evaluate the morphophysiological characteristics of sources and sinks and to assess the effect of various nitrogen doses on source (g) and sink (g) size in several lowland rice varieties. The study was conducted in a dryland area using a split-plot design in a randomized block design. Nitrogen dose treatments consisted of 30 kg N ha⁻¹ (62.5 kg ha⁻¹ urea equivalent) and 115 kg N ha⁻¹ (250 kg ha⁻¹ urea equivalent) as the main plot, while upland rice varieties IPB 9G, IPB 10G, Inpago 8, and Situpatenggang were used as subplots. The results showed significant varietal differences in physiological traits, yield components, and source-sink balance in response to nitrogen application. Among the tested varieties, IPB 9G showed the most stable performance, characterized by high source and sink sizes, optimal yield components, and a relatively stable harvest index. Increasing nitrogen application to 115 kg N ha⁻¹ improved physiological indicators and sink capacity, contributing to increased yield potential. These findings highlight that nitrogen response is strongly influenced by varietal characteristics and assimilation utilization efficiency, emphasizing the importance of determining variety-specific optimal nitrogen levels for dryland rice under dryland conditions.
Morphological and Biomass Responses of Oil Palm Varieties to Salinity in Early Nursery Eka Bobby Febrianto; Rosmayati Rosmayati; Sri Murti Tarigan; Wagino Wagino
Agrosains : Jurnal Penelitian Agronomi Vol 28, No 1 (2026): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v28i1.117829

Abstract

Salinity is an important constraint in oil palm nurseries because it may limit seedling growth and reduce the potential use of marginal land or growing media. This study evaluated the morphological and biomass responses of five oil palm varieties to salinity in early nursery and identified practical variables for early selection under saline conditions. The experiment was conducted in a greenhouse using a factorial randomized complete block design with five varieties, three salinity levels, and three replications. The observed variables were stem diameter, number of leaves, canopy length, root length, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight, and root-shoot ratio. Data were analyzed using analysis of variance followed by Duncan’s Multiple Range Test at the 5% level. Varietal effects were significant for all observed variables, whereas salinity as a single factor was not significant within the tested range. However, the interaction between variety and salinity significantly affected most variables, indicating that seedling responses to salinity depended on varietal background. DxP Socfindo Yangambi and DxP Socfindo Lame showed the best performance under saline conditions, particularly at 6-7 mmhos cm-1, as reflected in canopy growth, root elongation, and biomass accumulation. In contrast, DxP Simalungun showed the weakest response across most variables. Canopy length, root length, shoot dry weight, and root dry weight were the most informative variables for early selection of oil palm seedlings under saline conditions.
The Role of Liquid Biofertilizer on The Growth and Production of Local Red Chili From Lubuk Cuik and Superior Varieties Mhd Hary Sahputra; Yaya Hasanah; Revandy Iskandar Muda Damanik
Agrosains : Jurnal Penelitian Agronomi Vol 28, No 1 (2026): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v28i1.109142

Abstract

Red chili (Capsicum annum L.) is a spice commodity with high economic value that is increasingly being developed because it not only functions as a cooking spice but also as a functional food due to its bioactive compound content. Improving the growth and production of red chili can be done through the application of liquid biofertilizer on superior and local varieties of red chili from Lubuk Cuik which is a center of red chili production in North Sumatra. This study aims to identify the role of liquid biofertilizer in increasing the growth, and production of red chili from Lubuk Cuik and superior varieties is very important to do. The study was conducted in the field of the Agricultural Training and Mechanization Unit of the Horticultural Food Security Service of North Sumatra Province, using a Factorial Randomized Block Design with two factors and 3 replications. The first factor is the concentration of liquid biofertilizer (0, 10, 20 and 30 ml/L of water), and the second factor is the variety (White Local, Green Local, Dji-tu F1 superior variety, and Laju F1 superior variety). The data was analyzed using analysis of variance, if there was a significant difference then it was continued with Duncan's Multiple Range test at alpha level = 5%. The results showed that 30 ml/L of liquid biofertilizer resulted in improved plant height, branch number, and stem diameter, as well as accelerated flowering and fruit ripening. The Dji-tu F1 variety had higher yields than other varieties, while the Laju F1 variety tended to flower and ripen earlier. Overall, the use of 30 ml/L of liquid biofertilizer on superior varieties improved the growth and yield of red chili.
Pengaruh Imbangan Pupuk Makro dan Mikro terhadap Ketersediaan P dan Fe serta Hasil Tanaman Jagung (Zea Mays L.) di Tanah Inceptisol Hery Widijanto; Slamet Minardi; Jauhari Syamsiyah; Alvin Fauzan Al Haddad
Agrosains : Jurnal Penelitian Agronomi Vol 28, No 1 (2026): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v28i1.115223

Abstract

Effects of Macro and Micronutrient Fertilizer Balance on Phosphorus and Iron Availability and Maize (Zea mays L.) Yield in Inceptisol Soil. Soil nutrient imbalance caused by the intensive application of nitrogen (N), phosphorus (P), and potassium (K) fertilizers can reduce fertilization efficiency and disrupt nutrient equilibrium, particularly micronutrients that play essential roles in plant physiological processes. To overcome this issue, the integration of micronutrient fertilizers into a balanced fertilization strategy is required to improve nutrient availability and sustain crop productivity. This study aimed to evaluate the effects of macro- and micronutrient fertilizer balance on phosphorus (P) and iron (Fe) availability, as well as maize (Zea mays L.) yield in Inceptisol soil. The experiment was conducted using a Randomized Complete Block Design (RCBD) with nine treatments and three replications, resulting in 27 experimental plots. The treatments consisted of combinations of macronutrient fertilizers (NPK: urea, SP-36, and KCl) and micronutrient fertilizers (Fe, B, Zn, Cu, and Mo), namely: A (control); B (recommended NPK); C (¼ NPK + 5 L ha⁻¹ micronutrient fertilizer); D (½ NPK + 5 L ha⁻¹ micronutrient fertilizer); E (¾ NPK + 5 L ha⁻¹ micronutrient fertilizer); F (1 NPK + 5 L ha⁻¹ micronutrient fertilizer); G (¾ NPK + 1.25 L ha⁻¹ micronutrient fertilizer); H (¾ NPK + 2.5 L ha⁻¹ micronutrient fertilizer); and I (¾ NPK + 3.75 L ha⁻¹ micronutrient fertilizer). Observed parameters included soil P and Fe availability, maize yield components such as ear length, ear diameter, ear weight, and grain weight, as well as 1,000-grain weight. The collected data were analyzed using analysis of variance (ANOVA) at a 5% significance level, followed by Duncan’s Multiple Range Test (DMRT) and Pearson correlation analysis. The results showed that the application of ¾ NPK combined with 5 L ha⁻¹ micronutrient fertilizer was the most effective treatment. This treatment significantly increased soil P and Fe availability and improved maize yield components, including ear length, ear diameter, ear weight, and 1,000-grain weight. These findings indicate that balanced fertilization is essential for optimizing nutrient availability and enhancing crop productivity in Inceptisol soils.