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All Journal Journal of Tropical Soils EnviroScienteae Agroekotek View JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT Acta Solum
Fadly Hairannoor Yusran
Program Studi Ilmu Tanah, Fakultas Pertanian, Universitas Lambung Mangkurat
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science

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Existing Versus Added Soil Organic Matter in Relation to Phosphorus Availability on Lateritic Soils Yusran, Fadly Hairannoor
JOURNAL OF TROPICAL SOILS Vol. 13 No. 1: January 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i1.23-34

Abstract

Lateritic soils (Ultisols and Oxisols) are commonly characterised by high phosphate sorbing capacity due to the type of clay and present high content of aluminium (Al) and iron (Fe) oxides.  Addition of fresh organic matter (OM) may contribute to management of these soils by releasing more bicarbonate-extractable phosphorus (BP) through organic phosphorus (OP) transformation, or by the soluble component of OM additions desorbing phosphate by ligand exchange.  It is not known, however, whether BP results solely from addition of new OM (by either mineralisation or desorption) or from transformation of inherent or pre-existing in soil.  We considered that removing the existing soil OM and replacing it with an equivalent amount of new OM may help to resolve this issue, especially with respect to P transformation after OM additions.  Three lateritic soils of Western Australia (including a deep regolith material with very low inherent soil OM (SOM)) were used, and sub-samples of the three soils were combusted (450° C) to obtain soils effectively free from existing OM.  A further sub-sample of the soils was not combusted.  Both soil groups, receiving the same amount of organic carbon (OC, from 80 ton ha-1 biomass + soil OM or biomass equal to soil OM) from peat, wheat straw (Triticum aestivum L.) and lucerne hay (Medicago sativa L.), were incubated for nine months.  Soil bicarbonate-extractable P as well as non-extractable P (NP, measured as Total-P (TP)-BP) increased due to new OM application in the order lucerne hay>peat>wheat straw.  The correlation between BP with soil organic carbon (SOC) became more positive over time.  Microbial biomass phosphorus (MBP) was not well correlated with the increase of NP content and phosphatase was not related to the increase in BP.  Overall, freshly applied (new) OM not only contributed to the increased level of P compared with the existing OM treatment.
The Relationship between Phosphate Adsorption and Soil Organic Carbon from Organic Matter Addition Yusran, Fadly Hairannoor
JOURNAL OF TROPICAL SOILS Vol. 15 No. 1: January 2010
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2010.v15i1.1-10

Abstract

The Relationship between Phosphate Adsorption and Soil Organic Carbon from Organic Matter Addition (FH Yusran): The application of organic matter (OM) can increase soil phosphorus (P) availability via soil mineralisation. In lateritic soils, however, soluble organic carbon (OC) from OM may also reduce phosphate adsorption capacity, a process that also releases P in soil solution. In these soils, competitive adsorption could be dominant compared to mineralisation. The main objectives of this study were to study phosphate adsorption in three lateritic soils which have been treated with different types and amounts of organic amendment, and had intrinsic OC removed by combustion. The adsorption isotherms showed that OM addition could reduce phosphate adsorption and that this reduction could last up to nine months after application. Lucerne hay was more effective than peat and wheat straw additions in reducing phosphate adsorption capacity. The bicarbonate phosphorus (BP) release through mineralisation occurred despite the increase of phosphate adsorption capacity due to the combustion of soil samples. Peat treatment was predicted to be more effective in creating organo-metal complexes with Al and Fe. Overall, mineralisation from added organic amendment was effective in minimising P adsorption in lateritic soil. 
Soil Organic Carbon Losses: The Balance between Respiration and Leaching, and Phosphorus Mobility in Lateritic Soils Yusran, Fadly Hairannoor
JOURNAL OF TROPICAL SOILS Vol. 15 No. 3: September 2010
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2010.v15i3.245-254

Abstract

Soil Organic Carbon Losses: The Balance between Respiration and Leaching, and Phosphorus Mobility in Lateritic Soils (FH Noor): Organic matter (OM) application may contribute to managing lateritic soils by improving aspects of physical, chemical, and biological fertility.  However, the finite persistence of organic carbon (OC), the main component of soil organic matter (SOM), may limit the usefulness of OM addition because decomposition and C leaching promotes C loss from the soil, especially in tropical regions.  The main objectives of this study were to determine the balance and dynamics of soil OC (SOC) due to mineralisation and leaching processes and the relationship of these processes to P mobility in soil.  Two lateritic soils of Western Australia were used.  Both soils were packed into plastic columns and water was added to simulate two rainfall regimes: tropical (4,000 mm year 1) and subtropical (900 mm year 1).  Three types of OM (peat, wheat straw, and lucerne hay) were added at the equivalent of 80Mg ha 1.  Soils were watered weekly to supply one year’s rainfall over a period of six months.  Carbon loss from leaching contributed 1.4% of the total C, whilst respiration accounted for 10.4%.  The Ultisol with a sandy texture had more C loss in leachate than the Oxisol with higher clay content, for the simulated tropical rainfall.  The subtropical rainfall regime resulted in more respiration than the tropical rainfall regime.  Downward movement of dissolved organic carbon (DOC) changed the distribution of non-extractable phosphorus (NP) and bicarbonate phosphorus (BP) in the leaching column, as well as the dislocation of extractable Al and Fe.
Relationship between Organic-C and Available-P Due to Tidal Fluctuation in South Kalimantan Yusran, Fadly Hairannoor
JOURNAL OF TROPICAL SOILS Vol. 17 No. 3: September 2012
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2012.v17i3.253-257

Abstract

Tidal fluctuation creates different soil chemical properties which is totally deviate from normal circumstances.  Organic matter decomposition occurs with limited O2 supply, hence disturbing Carbon cycle which has a central role in the process and nutrient mineralisation.  The research aimed was  to describe the relationship between organic-C and available-P due to tidal fluctuation in South Kalimantan.  Ten undisturbed composite samples were collected in top-soil and sub-soil.  Results showed that there was no direct effect from organic-C in P availability as in other mineral soils.  However, there was an indication that the relationship was influenced by maturing process of the soil.  In other words, the relationship between organic-C and available-P was typical for every type of swampland and was not related to the tidal fluctuationKeywords: Available-P, organic-C, P-transformation, tidal water fluctuation [How to Cite: Yusran FH. 2012. Relationship between Organic-C and Available-P Due to Tidal Fluctuation in South Kalimantan. J Trop Soils 17 (3) : 253-257. doi: 10.5400/jts.2012.17.3.253] [Permalink/DOI: www.dx.doi.org/10.5400/jts.2012.17.3.253] 
The Effects of Fire on Organic Functional Groups of Peat in Relation to Water Content Ramadhan, Said; Yusran, Fadly Hairannoor; Haris, Abdul; Asmawi, Suhaili
JOURNAL OF TROPICAL SOILS Vol. 19 No. 3: September 2014
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2014.v19i3.143-149

Abstract

The aim of this research was to study the decline of organic functional group through the process of burning in peat. In addition, this study was also to examine the relationship between water content in peat and organic functional group after combustion (burning).  Peat drying was conducted in an oven at a temperature of 75°C with the interval of 0, 1, 2, 3, 4, 5 and 6 hours.  Each time interval had three replicates within two sets of experiments so that the total number of samples were 42 (experimental units).  Variables measured were moisture content, total acidity, COOH groups, and OH-phenolate.  The relationship between the water content with total acidity, COOH groups and OH-phenolate were determined by the equation y = bx + a.  The results showed that the relationship between the water content with organic functional group was linear.  While the relationship between peat water content with organic functional group after burning was irregular, although water levels through the process of burning have been greatly reduced. Keywords: Burning peat; organic functional groups; water content [How to Cite: Said R, FH Yusran, A Haris and S Asmawi. 2014. The Effects of Fire on Organic Functional Groups of Peat in Relation to Water Content. J Trop Soils 19: 143-149. Doi: 10.5400/jts.2014.19.3.143]    
The Isothermal Phosphate Adsorption in a New Tidal Rice Field of Barito Kuala Regency South Kalimantan: A Study on Phosphorus Adsorption in Acid Sulfate Soils for Agricultural Improvement Yusran, Fadly Hairannoor; Mariana, Zuraida Titin; Devita, Windi Bunga
JOURNAL OF TROPICAL SOILS Vol. 30 No. 1: January 2025
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2025.v30i1.9-16

Abstract

High P adsorption reduces rice production, especially in newly reclaimed paddy fields. The research studied soil P adsorption using the adsorption isoterm equation and soil P solubility in a New Tidal Rice Field of Barito Kuala Regency. This incubation study used soil samples from Ray 7, Balandean Village, Alalak District, Barito Kuala Regency, South Kalimantan Province, from May to November 2022. The isothermal adsorption of P was measured in six soil samples with three replicates. P (0, 2, 5, 10, 15, 30, and 50 mg P kg-1) from KH2PO4 were added in 1 g soil in 25 mL 0.01 M CaCl2. The suspensions were shaken at 25 ! for 17 hours, then centrifuged at 3000 rpm for five minutes, and the supernatant was filtered (Whatman 42) for P analysis. Three ordinary adsorption isotherm equations, Langmuir, Freundlich, and Brunauer-Emmett-Teller (BET), were used to fit the data. After adding 50 mg P kg-1, the average dissolved-P was 34.60 mg kg-1 (69%), and adsorbed-P was 15.40 mg kg-1 (31%). The BET equation was more suitable for describing P adsorption isotherm in this type of soil, which has the ability to adsorb one-third of any P addition.
Pengaruh Amelioran terhadap Jerapan Isotermal Fosfat di Tanah Mineral Masam: Effect of Ameliorant on Isothermal Phosphate Sorption in Acid Mineral Soil Maulida Maulida; Fadly Hairannoor Yusran; Ismed Fachruzi; Zuraida Titin Mariana
Acta Solum Vol. 3 No. 2 (2025): Maret 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i2.2863

Abstract

Ultisol is one type of land in Indonesia that has an area distribution of about 25% of Indonesia's total land area and the widest distribution is in Kalimantan (21.938.000 ha). The acidic pH of the soil causes low availability of P in Ultisol and the occurrence of P fixation by Al and Fe which are positively charged, making P difficult to be available to plants. In this study, ameliorant was added in the form of dolomite and chicken manure to see the effect on Ultisol soil by isothermal phosphate absorption analysis and processed using the Langmuir, Freundlich, and Brunauer-Emmett-Teller (BET) equations. The results of the study concluded that the application of P on Ultisol soil in Gunung Kupang Village, Cempaka District, Banjarbaru City, was in accordance with the Freundlich Equation. High or low P absorption indicates the level of P availability in the soil. In other words, fixation on acidic mineral soils can reduce the amount of P available to Plants.
Co-Authors Abdul Hadi Abdul Haris Abdul Haris Achmad Syamsu Hidayat Aditiea Loren Akhmad Rizalli Saidy Antar Sofyan Asmawi, Suhaili Badruzsaufari Badruzsaufari Badruzsaufari Badruzsaufari Bambang J. Priatmadi Bayu Dwianjarhadi Devita, Windi Bunga Eka Iriadenta Enu Bahtiar Setiawan Eny Dwi Pujawati Fakhriza Akhmad Fakhrur Razie Fakhrur Razie Fitri, Rozani Fonny Rianawati Gusti Mutia Rusdiana Hairil Ifansyah Idiannor Mahyudin Ismed Fachruzi Juhrian Juhrian Jurkani Jurkani Lestari Fatria Wahyuni Maulida Maulida Meldia Septiana Mijani Rahman Misna Misna Muhammad Asnandi Muhammad Ruslan Muhammad Sulthoni A. D. N. Muhammad Syarbini Mukhlis Abdi Normaulidia Normaulidia Rada Febriani Raihani Wahdah Ramadhan, Said Ratna Ratna Ria Tahfazona Rina Mustika Said Ramadhan Said Ramadhan Salamiah Salamiah Suhaili Asmawi Syarifuddin Kadir Titian Okta Pitaloka Wahyu Aji Saputra Zuraida Titin Mariana