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M. Abror
Department of Agrotechnology, Universitas Muhammadiyah Sidoarjo, Sidoarjo, Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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The Effect of Boron Fertilizer and Bokashi Dosage on Tomato Cultivation (Solanum lycopersicum) Ferdinandus Tutu; M. Abror
Demeter: Journal of Farming and Agriculture Vol. 3 No. 2 (2025): July 2025
Publisher : CV. Media Digital Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58905/demeter.v3i2.696

Abstract

This study aims to determine the effect of boron and bokashi fertilizer doses on the growth and yield of tomato plants (Solanum lycopersicum). Boron and bokashi fertilizers are two types of fertilizers that play an important role in increasing soil fertility and supporting plant growth. Boron plays a role in cell wall formation, flowering, and fertilization, while bokashi, as an organic fertilizer, can increase nutrient availability and improve soil structure. This study used a randomized block design (RBD) with two factors, namely boron fertilizer dosage (0, 1, 2, and 3 kg/ha) and bokashi dosage (0, 5, 10, and 15 tons/ha). The parameters observed included plant height, number of leaves, stem diameter, number of fruits, fruit weight, and sweetness. The results showed that boron fertilizer and bokashi treatments had a significant effect on most growth and yield parameters. A boron dose of 3 kg/ha produced the best results in terms of plant height and fruit weight, while a boron dose of 1 kg/ha produced the highest number of fruits. The application of a bokashi dose of 15 tons/ha also showed consistent results in improving vegetative growth and yield.
The Effect of Potassium Fertilizer and Super-flora Foliar Fertilizer on the Growth of Chili Peppers (Capsicum frutescens L.) Muhammad Haekal Zaqladi; M. Abror
Demeter: Journal of Farming and Agriculture Vol. 3 No. 3 (2025): November 2025
Publisher : CV. Media Digital Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58905/demeter.v3i3.699

Abstract

This study aims to determine the effect of potassium fertilizer and Super-Flora foliar fertilizer on the growth of chili pepper plants (Capsicum frutescens L.). The study was conducted using a randomized block design (RBD) with two treatment factors, namely potassium fertilizer dosage (100 kg/ha, 150 kg/ha, and 200 kg/ha) and Super-Flora foliar fertilizer dosage (10 ml/l, 15 ml/l, and 20 ml/l). The parameters observed included plant height, number of leaves, and leaf area at various plant ages. The results showed that the application of 200 kg/ha of potassium fertilizer and 20 ml/l of Super-Flora foliar fertilizer produced the best growth with an increase in plant height, number of leaves, and leaf area compared to other doses. Although the 5% BNJ test results did not show significant differences in all parameters, the data trends indicated that the combination of high-dose potassium fertilizer and high-dose foliar fertilizer supported more optimal vegetative growth. In conclusion, the combination of potassium fertilizer and Super-Flora foliar fertilizer can be an effective fertilization strategy to enhance chili pepper growth, but the doses used must be adjusted to the plants' needs for greater efficiency.
The Effect of NPK Fertilizer and Gobest ZPT on the Growth of Chili Plants (Capsicum frutescens L.) Dimas Indra Kurniawan; M. Abror
Demeter: Journal of Farming and Agriculture Vol. 3 No. 2 (2025): July 2025
Publisher : CV. Media Digital Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58905/demeter.v3i2.701

Abstract

Abstract. This study aims to determine the effect of NPK and ZPT Gobest fertilizers on the growth of cayenne pepper plants (Capsicum frutescens L.). The experiment was carried out using a Group Random Design (RAK) with two factors, namely the dose of NPK fertilizer (100 kg/ha, 150 kg/ha, and 200 kg/ha) and the concentration of ZPT Gobest (1 ml/liter, 2 ml/liter, and 3 ml/liter) which was repeated for three replicates. The parameters observed included plant height, number of leaves, leaf area, and number of branches. The results showed that the application of 200 kg/ha NPK fertilizer and 2 ml/liter ZPT Gobest had the best influence on plant vegetative growth, such as plant height and number of leaves, leaf area, and number of branches.
Effectiveness of Concentration of Liquid Organic Fertilizer from Rabbit Urine and Dosage of Rabbit Manure on the Growth and Yield of Red Lettuce (Lactuca Striva L.) Bayu Adam Awali; M. Abror
Demeter: Journal of Farming and Agriculture Vol. 3 No. 3 (2025): November 2025
Publisher : CV. Media Digital Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58905/demeter.v3i3.704

Abstract

This study aims to assess the effectiveness of various concentrations of liquid organic fertilizer (POC) from rabbit urine and doses of rabbit manure on the growth and yield of red lettuce (Lactuca striva L.). The research was conducted in February–March 2024 in Tebel Barat Village, Gedangan District, Sidoarjo Regency. The research design used was a Randomized Block Design (RBD) with two treatment factors. The first factor was the concentration of rabbit urine POC, which consisted of three levels, namely 20 ml/l water, 40 ml/l water, and 60 ml/l water. The second factor was the dose of rabbit manure fertilizer with three levels, namely 1.5 tons/ha, 3 tons/ha, and 4.5 tons/ha. Each treatment combination was repeated three times, resulting in 27 experimental plots. Data analysis was performed using analysis of variance (ANOVA) and followed by BNJ test. The variables observed included the number of leaves, plant height, root length, wet weight, dry weight, and harvest index. The results showed an interaction between treatments, with the best results obtained from the combination of 60 ml/l rabbit urine POC and 3 tons/ha manure for the variables of number of leaves, fresh weight, and dry weight. For the plant height variable, the highest results were obtained from the rabbit urine POC treatment at 60 ml/l water, while the manure fertilizer dose treatment showed no significant difference. As for the root length and harvest index variables, the treatments did not show any significant differences.
Co-Authors Bayu Adam Awali Dimas Indra Kurniawan Ferdinandus Tutu Muhammad Haekal Zaqladi