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All Journal Berkala Ilmiah Pertanian JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management
Hermiyanto, Bambang
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Environmental Science

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POTENSI LAHAN SAWAH UNTUK PENGEMBANGAN TANAMAN TEMBAKAU DI KABUPATEN BONDOWOSO Budiman, Subhan Arif; Maulia, Dina; Hermiyanto, Bambang; Basuki, Basuki
Jurnal Tanah dan Sumberdaya Lahan Vol. 11 No. 2 (2024)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2024.011.2.7

Abstract

The plantation sector, especially tobacco plants, is the biggest contributor to the country's foreign exchange value non-mining through tobacco excise and export. With the increasing number of active smokers in Indonesia, the need for tobacco continues to increase, emphasizing the role of this crop in the economy and providing large profits for farmers. However, along with the growing issue of land use change, recently many tobacco plants have been planted on unsuitable land. The research was conducted on all rice fields in Bondowoso Regency from October 2022 to March 2023. The land suitability evaluation method was used to assess land characteristics that affect tobacco plant growth. The parameters used were soil pH, soil texture, C-organic, electrical conductivity, cations bases (K, Ca, Na, Mg), cation exchange capacity (CEC), base saturation, total N, available and exchangeable K, slope, temperature, and rainfall. Data analysis was carried out by matching techniques, namely matching land characteristics with the growing conditions of tobacco plants to get some suitable land suitability classes for tobacco plants. The results of the analysis showed that the area of ​​land currently planted with tobacco reaches about 12,155.06 hectares, with a suitable class (S2) reaching 897.82 hectares, marginal (S3) reaching 1,614.44 hectares, and not suitable (N) reaching 9,642.79 hectares. Land that has the potential to grow tobacco is S2 (quite suitable) and S3 (marginal).
Pengaruh Pupuk Hayati Jamur Mikoriza Dan Pupuk Rock Phosphate Terhadap Serapan P, Pertumbuhan serta Hasil Tanaman Cabai Rawit (Capsicum frutescens L.) Rinindra, Riza Jihan; Hermiyanto, Bambang
Berkala Ilmiah Pertanian Vol 7 No 1 (2024): Februari
Publisher : Jember University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bip.v7i1.42530

Abstract

Application of mycorrhizal fungi biological fertilizers and rock phosphate fertilizers can increase plant P uptake, growth and yield of cayenne pepper (Capsicum frutescens L.). The purpose of this study was to determine the effect of the interaction between mycorrhizal fungi biofertilizer and rock phosphate fertilizer on P uptake, growth and yield of cayenne pepper. The experimental design used was a completely randomized design (CRD) factorial with 2 factors and 3 replications. The first factor was the application of 0 gr (M0), 10 g (M1) and 20 g (M2) mycorrhizal fungal biofertilizers and the second factor was the application of 0 kg rock phosphate fertilizer or the equivalent of 0 g (R0), 150 kg or 1 g (R1) and 300 kg or 2.6 g (M2). The variables observed were plant height, number of fruit planted, fruit fresh weight, plant fresh weight, root volume, root infection, plant dry weight, root shoot ratio and P uptake. The observed data were tested using analysis of variance (ANOVA) and tested further. using Duncan multiple range test (DMRT) at 95% confidence level. The results showed that there was no interaction between the application of mycorrhizal fungi biofertilizers and rock phosphate fertilizers. Application of mycorrhizal fungal biofertilizer (M1) can increase the degree of root infection by 72.22%, the number of fruit planted, fruit fresh weight, plant fresh weight, plant dry weight, root volume, root infection, P uptake and root shoot ratio. Application of rock phosphate fertilizer can also increase the number of fruit plants, plant fresh weight, plant dry weight, root volume and P uptake.
Comparison of soil physical quality index based on simple additive SQI and statistically modeled SQI methods for watershed management in Rembangan, Indonesia Hermiyanto, Bambang; Tika, Sukma Agustin Dyan; Budiman, Subhan Arif; Mandala, Marga; Fitriani, Vivi; Basuki, Basuki
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8493

Abstract

The physical quality of soil is determined by quantitative measurement tools, which are expressed in the form of soil quality indices. Methods for determining soil quality have been developed, but none have been standardized. This research aimed to determine the results of the soil physical quality index based on two methods, namely 1) simple additive SQI, and 2) statistically modeled SQI, followed by a sensitivity test to determine which method is more sensitive. This research was conducted in the Rembangan Sub-watershed, which comprises five sub-districts: Jelbuk, Arjasa, Patrang, Sukorambi, and Panti, with elevations ranging from 125.91 to 854.67 meters above sea level. Based on the paired t-test results, the soil physical quality index between the two methods was significantly different, with a p-value of 0.002. Meanwhile, the sensitivity test results showed that the statistically modeled method was more sensitive than the simple additive method. Thus, the statistically modeled method is the method that can be used to assess the soil physical quality index for land management guidance. The poor or low-quality class dominates the soil quality class, covering an area of 2,088.43 ha (79.43%). Land management actions based on soil quality are divided into three criteria: 1) “fixed efforts” for low-quality soil, 2) “enhanced efforts” for medium-quality soil, and 3) “maintenance efforts” for good-quality soil.
Co-Authors Basuki , Budiman, Subhan Arif Mandala, Marga Maulia, Dina Rinindra, Riza Jihan Tika, Sukma Agustin Dyan Vivi Fitriani