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All Journal Planta Tropika Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan
M. Edi Armanto
PS. Ilmu Lingkungan Program Pasca Sarjana Unsri
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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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).
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.
Co-Authors Apriadi S Busri, Apriadi S DESSY ADRIANI Dessy Adriani Dessy Adriani Elisa Wildayana Fitri Lestari, Fitri Hasan, M. Yamin Hasan, M. Yamin Heri Junedi Imanudin, M.S. Imron Zahri Momon Sodik Imanuddin Nursittah, Nursittah Oktavia, Reszki Sari, Ranty Fitria Syakina, Bella Zuhdi, Mohd.