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All Journal Jurnal Ilmu Tanah dan Lingkungan Jurnal Lahan Suboptimal Journal of Tropical Soils Planta Tropika Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Islamic Guidance and Counseling Journal Journal of Smart Agriculture and Environmental Technology
M. Edi Armanto
Jurusan Tanah Fakultas Pertanian Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Veterinary

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Novel Innovation of Subsidized Fertilizers based on Soil Variability and Farmer’s Perception Wildayana, Elisa; Armanto, M. Edi; Zahri, Imron; Hasan, M. Yamin
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 18, No 1 (2017): JEP 2017
Publisher : Universitas Muhammdaiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v18i1.3401

Abstract

The study aimed to find novel innovation and research of subsidized fertilizers based on soil nutrient variability and farmer’s perception in rice farming. This study uses a completely randomized design with four natural treatments, a one-way Anova and Tukey HSD Test as well as multiple linear and cubic regressions. The fertilizer uniformity on varied ricefields was a big failure because it causes fertilization becoming ineffective, inefficient and unsustainable. Ricefield variability (due to geomorphogenesis, pedogenesis, interflow flow, vegetation distribution, land use patterns, and fertilizer application) causes not optimized fertilization (dose, balance, time, methods of fertilization). The perception of farmers can create conflicts of interest, which are determined as normal, unavoidable and natural.  Short-term research target is how fertilization in the field is done effectively, efficiently, and sustainably, whereas long-term target is to generate new sources of wealth, fertilization technology based on soil science knowledge, forming professional researcher, the great inventions of patents, cooperation media between scientists, technocrats and bureaucrats and research funding.
The Highest Retail Price (HET) of Subsidized Fertilizer at the Farmer’s Level in South Sumatra Rice Farming, Indonesia Wildayana, Elisa; Hasan, M. Yamin; Armanto, M. Edi; Zahri, Imron; Adriani, Dessy; Sari, Ranty Fitria; Nursittah, Nursittah; Lestari, Fitri; Oktavia, Reszki
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 19, No 1 (2018): JEP 2018
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v19i1.5137

Abstract

The research objective is to analyze the subsidized fertilizer price (HET) at the hand of farmers of rice farming in South Sumatra province. The sampling method was disproportionate stratified random sampling with four land typologies. The field data were collected through observation, interviews with respondents. The use amount of fertilizers on all typologies effected significantly different to rice yields. In the lebak ricefields, the influence of Urea, NPKPhonska and KCl together effected significantly different, but not significantly different for each use of fertilizers. The use cost of Urea affected rice yields and income of farmers significantly different for all ricefields. Eligible HET price received by farmers has to be lower than the real HET price. Determination eligible HET price has to consider soil productivity and accessibility (dam, water gates, water pump, road, infrastructure, local retail and others).
The Role of Subsidized Fertilizers on Rice Production and Income of Farmers in Various Land Typologies Wildayana, Elisa; Armanto, M Edi
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 20, No 1 (2019): JEP 2019 (In Progress Issue)
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v20i1.7081

Abstract

The research aimed to analyze the role of subsidized fertilizers on rice production and income of farmers in various land typologies. The sampling used is cluster method and followed with an experimental research by using Split Plot Design. The compound fertilizer costs are one-half times higher than single fertilizer, but the rice yield difference is enhanced by the provision of fertilizer reaching more than two-times higher compared to a single fertilizer. The rice yields can be increased more than three-times higher, but the income of farmers can be increased only about one and half times. The Government needs to make a policy of the lowest rice price, then income of farmers can be automatically increased and at the same time the welfare of famer’s families will be also increased.
Kajian Faktor Pembatas dan Rekomendasi Perbaikan Lahan untuk Budidaya Jagung di Lahan Rawa Pasang Surut Tipologi C: Study of Limiting Factors and Land Rehabilitation Recommendations for Corn Cultivation in Tidal Swamp Land of Tipology C Momon Sodik Imanudin; Abdul Madjid; Edi Armanto; Miftahul
Jurnal Ilmu Tanah dan Lingkungan Vol 22 No 2 (2020): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.22.2.46-55

Abstract

Penelitian bertujuan untuk mengkaji beberapa faktor pembatas lingkungan lahan yang selanjutnya disusun rekomendasi perbaikan, agar tanaman bisa tumbuh sesuai standar produksi. Metode penelitian adalah survai lapangan, monitoring dan pengkajian. Hasil penelitian menunjukan faktor pembatas utama sangat tergantung kepada tingkat kedalaman lapisan firit, dan fluktuasi muka air tanah harian. Selama petani bisa mengendalikan muka air tanah mendekati zona akar maka fakor pembatas lainnya bisa diperbaiki. Beberapa faktor pembatas yang bisa diperbaiki adalah pH tanah masam, hara makro rendah (nitrogen,phospor dan kalium), dan ketersediaan air karena sistem tata air yang buruk. Kajian budidaya tanaman pada kondisi iklim normal ( basah) diama curah hujan dengan bulan kering hanya 2-3 bulan tidak ditemukan pembatas utama yang permanen. Perbaikan tata air dan kesuburan tanah telah mampu menciptakan produksi optimal tanaman jagung 7 ton/ha. Namun pada kondisi iklim kering dimana masa kemarau selama 4-5 bulan maka akan muncuk faktor pembatas utama permanen yang disebabkan oleh oksidasi lapiran firit. Hal ini terjadi karena muka air tanah turun tajam >90 cm. Pada kondisi ini produksi jagung menurun lebih dari 50% area tanam gagal panen karena kekeringan, dan keracunan. Petani yang berhasil adalah yang melakukan penanaman lebih awal yaitu bulan Mei. Sementara yang tanam Juli semua gagal panen. Selain karena curah hujan yang kering juga karena petani tidak melakukan konservasi air. Pintu air tidak dioperasikan untuk menahan air di saluran tersier sehingga kehilangan air lebih cepat. Dampaknya air tanah pada bulan September turun dibawah 90 cm dan terjadilah oksidasi firit. Oleh karea itu operasi pintu sebaiknya dibuka pada saat pasang dan ditutup pada saat surut operasi ini berlansung sampai belum masuk air asin (Agustus). Dan memasuki bulan September dimana telah terjadi intrusi air asin, maka pintu air ditutup permanen. Dari kondisi diatas maka pada kondisi kemarau lebih dari 4 bulan, rekomendasi utama adalah percepatan waktu tanam, pemberian bahan pembenah tanah dan operasi pintu air dengan sistem fullretention.
Land Suitability and Agricultural Technology for Rice Cultivation on Tidal Lowland Reclamation in South Sumatra Momon Sodik Imanudin; Probowati Sulistiyani; M Edi Armanto; A Madjid; Anton Saputra
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 10 No. 1 (2021): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/JLSO.10.1.2021.527

Abstract

Tidal lowland is one of the potential lands for agriculture that is found very widely in coastal areas of South Sumatra. There are about 400,000 hectares (ha) was reclaimed for agriculture purpose. However, in many parts, the rice production is still low (<3 ton/ha), mainly in the high part of hydrotopography class (Type C) that the tidewater could not possibly irrigate the land.  This study aimed to evaluate the level of actual and potential suitability of tidal swamps for rice plants. This research has been carried out in Bandar Jaya Village, Air Sugihan Subdistrict, Ogan Komering Ilir Regency. This research used a survey level method with very detailed (intensive) with a scale of 1:6,000 covering a research area of 16 ha. The results showed that actual suitability for rice plants in the study site is N-n with an area of 5 ha and N-f, n with an area of 11 ha with limiting factors of soil pH and P nutrient. The potential land suitability class for rice plants in the study location is S3-n with an area of 5 ha and S3-f, n with an area of 11 ha. Land quality improvement was done by using the lime application and control water table at a depth of at least 10 cm from the soil surface during rice growth.  Rainwater should be retained in the tertiary block as much as possible to fulfill crop water requirements. Setting the planting time (November-January) and balanced fertilization will be able to increase the land suitability class to S1 (highly suitable).
Mapping and Analyzing Spatial Variability of Peat Depths by Using Geostatistics Armanto, M Edi; Setiabudidaya, Dedi; Ngudiantoro; Wildayana, Elisa; Zuhdi, Mohd
Journal of Smart Agriculture and Environmental Technology Vol. 2 No. 3 (2024): December 2024, Published, 2024-12-07
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2024.2.3.100-106

Abstract

Determining peat depths can be done by intensive surveys which are expensive, inefficient, and ineffective, therefore, it is essential to find simple alternative methods for measuring peat depths. The research objective was to estimate and make maps of peat depths by applying Geostatistics analysis. This research was conducted on Muaro Jambi District, Jambi (Seponjen Village, Kumpeh) peatlands. The primary data was analyzed by ArcGIS 10.3 and Geostatistics programs. The spatial variability of peat depths on Site A (peat depth of 8.10–15.00 m) and Site B (3.10–8.00 m) showed maximum values at 271 and 242 m distances, respectively. On-Site C (0.00–3.00 m), maximum variability was found at the distance of 63 m. Peat depths variability may be interpolated at a maximum of 271 m (for Site A) and 242 m (for Site B). More than the above distances, peat depths cannot be interpolated. Site A must be conserved because of peat depths of > 3 m, only Site C can be cultivated for agriculture and plantations. Unfortunately, all areas have been cultivated for the oil palm plantation because the government has granted concession permits to plantations before knowing how deep the permissible peatlands are for the whole area.
Assessing Soil Nutrient and Biomass Contributions to Peatland Formation Armanto, M. Edi; Wildayana, Elisa; Imanudin, Momon Sodik
PLANTA TROPIKA Vol. 13 No. 1 (2025)
Publisher : Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v13i1.24233

Abstract

Peat formation is the main key to carbon sequestration in the Peat Swamp Forest (PSF). The research aims to analyze alternative possibilities for peat formation based on the available soil nutrients and dried biomass. In a complete randomized block design, a factorial trial was applied using two treatment combinations in three blocks: factor A (sampling plots, land cover) and Factor B (dried biomass). Data were analyzed using two-way ANOVA and Tukey Honestly Significant Difference test at a significance level of 5%. A high supply of dried below-ground biomass did not follow the production of rooting litter at high soil nutrients. Most of the biomass was transported upwards into above-ground biomass. All land covers produced above-ground biomass which had the potential to form peat with significant differences for all parameters studied. The potential for peat formation was highly dependent on the various types of land covers (e.g. peat forest), environmental factors, the composition of the seed bank, and the species ability to compete. Restoration actions (revegetation, rewetting, and revitalization) aim to stimulate the development of peat-forming species. The research benefits are expected to enrich PSF's ecological restoration thinking so that PSF can be restored and returned to near its initial condition.
Bridging the Gap between Land Suitability and Local Wisdom Species in South Sumatra Peatlands, Indonesia Armanto, M Edi; Wildayana, Elisa
Journal of Smart Agriculture and Environmental Technology Vol. 3 No. 1 (2025): April 2025, Published 2025-04-07
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2025.3.1.8-17

Abstract

The primary issue with peatlands until now was people’s ignorance about land suitability. Changes in patterns and details of the distribution of peatland use based on Local Wisdom Species (LWS) are increasingly  unclear. We don’t know the suitable locations of cultivated LWS, so peatland productivity is declining and degradation continues. This research aims to evaluate land suitability for LWS in South Sumatra peatlands, Indonesia. Local Wisdom Species and soil samples were taken based on the type of peat land uses, and then laboratory work was carried out. Local Wisdom Species showing direct benefit are divided into two groups, namely LWS producing quickly are usually Purun Tikus (Eleocharis dulcis), water spinach (kangkung), bitter melon (paré), floating rice, and auction system for fishing, and LWS recognizing commercially are usually coconut, honeybees, gelam, sago, and jelutong. The level of land suitability of these two groups is S1 (highly suitable); and S2 (moderately suitable) with the only limiting factors being nutrient availability and nutrient retention (except coconut). By using science and technology, such as liming, fertilizing, improving water systems, and avoiding burning, all of these limiting factors can be overcome. Based on local knowledge, four strategies are suggested for sustainable peatland restoration, namely decentralized; conservative; protective; and optimal strategies.
Using the kriging method to establish a spatially reliable interpolator for peat depth variability Armanto, M Edi; Zuhdi, Mohd; Setiabudidaya, D; Ngudiantoro, Ngudiantoro; Wildayana, Elisa
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.708

Abstract

Peatlands (according to the Governmental Regulation nr 71/2014) can be utilized for agriculture and plantation if the peat depths are less than 3 m or more than 3 m, peatlands have to be conserved or restored. Determining peat depths can be conducted in the fields by intensive surveys which were so expensive, inefficient, and ineffective, therefore it was essential to find our simple alternative methods how to measure peat depths easily. The research aimed to establish a spatially reliable interpolator for peat depth variability by utilizing the kriging method. The research was conducted in Seponjen Village, Kumpeh, Muaro Jambi, Jambi Indonesia. Primary data were processed by applying ArcGIS 10.3 software. The interpolated dataset of peat depths validated their actual dataset and performed an excellent relationship (indicated by a positive correlation coefficient, r = 0.920) and a coefficient of determination (R2 = 0.847). It indicated that the interpolated dataset could be utilized to make maps by kriging. The very deep peat (Site A) and the deep peat (Site B) showed a tendency for a strong autocorrelation of the data distribution of peat depths. Autocorrelation tended to be anisotropic towards the river on the shallow peat (Site C). A good interpolator of peat depth variability can be generated using the kriging method.
Water Table Control Model for Maize Cultivation of C Typology Land on Tidal Lowland Reclaimed Area of South Sumatra, Indonesia Imanudin, Momon Sodik; Madjid, Abdul; Bakri, Bakri; Armanto, Mustika Edi; Priatna, Satria Jaya; Warsito, Warsito; Mardiansa, Edwin
JOURNAL OF TROPICAL SOILS Vol 30, No 2: May 2025
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2025.v30i2.113-124

Abstract

Tidal lowland productivity in type C is still low. Most of them have only been able to cultivate rice twice a year. The third cultivation of corn often fails due to a lack of water. The research objective is to determine an operational model for water management in the field for maize cultivation at several planting times. Model area is conducted at a tertiary block of reclaimed tidal lowland, Telang Jaya Village Primer 8 Delta Telang I, of  Banyuasin District. There are three planting times treatments: the fourth week of April, the second week of June, and the first week of July, 2021. A water management model was applied to control the drainage system, in which the water level in the tertiary channel is maintained at a depth of 50 cm. When groundwater drops below 70 cm, and there is no rain, pump irrigation is provided. Results of the field experiment showed that the maize crop showed similar growth quality at each phase. Land with a planting period of June and July still requires water addition using pump irrigation. It was applied on 14th and 18th August. Moreover, the maize cultivated at the end of April did not require pump irrigation. All treatments have generally similar production with an average magnitude of 8.0 Mg ha-1. The highest production is 8.73 Mg ha-1, which is planted in the first week of July.
Co-Authors A Madjid Abdul Madjid Abdul Madjid Abdul Qodir Zaelani Anton Saputra Apriadi S Busri, Apriadi S Bakri Bakri Dedi Koswara Dedi Setiabudidaya DESSY ADRIANI Dessy Adriani Dessy Adriani Eka Sakti Yudha Elisa Wildayana Fitri Lestari, Fitri Hasan, M. Yamin Hasan, M. Yamin Heri Junedi Imanudin, M.S. Imanudin, M.S. Imron Zahri Junedi, H. Mardiansa, Edwin Maryadi Miftahul Momon Sodik Imanuddin Momon Sodik Imanudin Nearti, Yuwinti Ngudiantoro . Nursittah, Nursittah Oktavia, Reszki Probowati Sulistiyani R.H. Susanto Robiyanto Hendro Susanto Rohim, Abdul Madjid Sari, Ranty Fitria Satria Jaya Priatna, Satria Jaya Setiabudidaya, D Siti Kulsum Siti Masreah Bernas Solehuddin, M Syakina, Bella Syakina, Bella Zuhdi, Mohd Zuhdi, Mohd. Zuhdi, Mohd.