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Journal articles on the topic 'Andosoil'

Author: Grafiati

Published: 10 March 2023

Last updated: 31 July 2025

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1

Bao, Zhihua, Yuko Matsushita, Sho Morimoto, et al. "Decrease in fungal biodiversity along an available phosphorous gradient in arable Andosol soils in Japan." Canadian Journal of Microbiology 59, no. 6 (2013): 368–73. http://dx.doi.org/10.1139/cjm-2012-0612.

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Andosols comprise one of the most important soil groups for agricultural activities in Japan because they cover about 46.5% of arable upland fields. In this soil group, available phosphorus (P) is accumulated by application of excessive fertilizer, but little is known about the influence of increasing P availability on microbial community diversity at large scales. We collected soil samples from 9 agro-geographical sites with Andosol soils across an available P gradient (2048.1–59.1 mg P2O5·kg−1) to examine the influence of P availability on the fungal community diversity. We used polymerase c

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2

Novák, P., T. Khel, J. Vopravil, and J. Lagová. "Do Andosols occur in the Czech Republic?" Soil and Water Research 5, No. 4 (2010): 161–71. http://dx.doi.org/10.17221/24/2010-swr.

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The aim of this contribution was either to confirm or refuse the supposition that there are soils on the volcanic effusive rocks in the Brunt&aacute;l district which can be assigned to the referential group of Andosols. The conditions for the genesis of Andosols are described and the diagnostic criteria of the andic process are defined both according to the principles of the WBR/FAO 2006 classification and according to the Slovak MKSPS 2000 classification system. In the Czech classification system, the diagnostics of Andosols has not yet been described or defined because their occurrence o

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3

Sumarsono, D. W. Widjajanto, and W. Sumekar. "Growth And Production of Lowland Rice Due to Soil Ameliorant Application on Andosol, Mediterranean And Alluvial Soil." IOP Conference Series: Earth and Environmental Science 1246, no. 1 (2023): 012016. http://dx.doi.org/10.1088/1755-1315/1246/1/012016.

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Abstract Lowland rice production and growth in Andosol, Mediterranean, and Alluvial soil types were observed in the study, both with and without amendments. The investigation was conducted using a plot experiment with a fully randomized design and three replications. L1: Andosol, L2: Mediterranean, and L3: Alluvial soil types made up the primary plots. Land amendments were divided into two subplots: R1 with no amendment and R2 with an amendment. Plant height, shoot and root dry weight, shoot:root ratio, and grain dry weight were the parameters measured. The findings demonstrated a significant

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4

Gonzalez-Rodriguez, Sara, and Maria Luisa Fernandez-Marcos. "Sorption and Desorption of Vanadate, Arsenate and Chromate by Two Volcanic Soils of Equatorial Africa." Soil Systems 5, no. 2 (2021): 22. http://dx.doi.org/10.3390/soilsystems5020022.

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Sorption of oxyanions by soils and mineral surfaces is of interest due to their role as nutrients or pollutants. Volcanic soils are variable charge soils, rich in active forms of aluminum and iron, and capable of sorbing anions. Sorption and desorption of vanadate, arsenate, and chromate by two African andosols was studied in laboratory experiments. Sorption isotherms were determined by equilibrating at 293 K soil samples with oxyanion solutions of concentrations between 0 and 100 mg L−1 V, As, or Cr, equivalent to 0−2.0 mmol V L−1, 0−1.3 mmol As L−1, and 0−1.9 mmol Cr L−1, in NaNO3; V, As, or

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5

Matsumoto, Shingo, Haruno Doi, and Junko Kasuga. "Changes over the Years in Soil Chemical Properties Associated with the Cultivation of Ginseng (Panax ginseng Meyer) on Andosol Soil." Agriculture 12, no. 8 (2022): 1223. http://dx.doi.org/10.3390/agriculture12081223.

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The sowing-to-harvest period for the medicinal plant Ginseng (Panax ginseng Meyer) is 4–6 years. Although one of the primary soils used to cultivate ginseng in Japan is Andosol, there have been few studies of the changes in the soil’s chemical properties during the cultivation of ginseng in Andosol soil. Here, we investigated the chemical properties of Andosol soil by collecting soil samples from cultivation sites with various numbers of years of ginseng cultivation. A significant negative correlation was observed between the years of cultivation and the soil’s pH, indicating that soil acidifi

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6

Tang, Erasmus Nchuaji, and Francis Ajebesone Ngome. "The Integrated Effects of Fertilizer on Sweet Potato (Ipomea Batatas, Lam.) in Andosol and Nitisol Soils." International Journal of Sustainable Agricultural Research 9, no. 1 (2022): 28–45. http://dx.doi.org/10.18488/ijsar.v9i1.2962.

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Sweet potato is a food and nutrition security crop in sub-Saharan Africa with low yields resulting from soil infertility. We examined the effects of nine fertilizer regimes on the growth performance of orange-fleshed (OFSP) and white-fleshed (WFSP) sweet potato varieties in two agro-ecological zones characterized by Andosol and Nitisol soils. The treatments were: NPK20-10-10, NPK6-15-28, rice husk biochar (RHB), fast compost (FC), Tithonia diversifolia leaf powder, poultry litter (PL), RHB/NPK20-10-10, FC/NPK20-10-10 and PL/NPK20-10-10. These were compared to a control of no fertilizer. The An

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7

Lupașcu, Angela, and Daniela Chelariu. "The Physical and Biochemical Peculiarities of Representative Soils in Giurgeu Mountains." Present Environment and Sustainable Development 9, no. 1 (2015): 263–71. http://dx.doi.org/10.1515/pesd-2015-0020.

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Abstract The analyses for the description of physic-chemical and humus fractional characteristics have been determined for two soil subtypes, respectively four soil profiles, that are representative for the lower altitudes area of Giurgeu Mountains. The analysis has been based on: one Andi-Eutric Cambisols (EC an- 920 m alt.) and three Cambic Andosols (AN ca) situated at different altitudes: 1120-1140 m, 1197 m and 1310 m. The purpose of the research is to indentify some quantitative and qualitative differences in regards to some organic and inorganic components from the soil. Have come into p

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8

MURHULA, Innocent AMANI. "Use of leguminous cover crops (Mucuna pruriens and Desmodium intortum) to mobilize phosphorus from an Andosol in the volcanic highlands of North Kivu (Eastern DR Congo)." Global Advanced Research Journal of Agricultural Science 13, no. 01 (2025): 001–11. https://doi.org/10.5281/zenodo.15477105.

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<strong>Low availability of phosphorus (P) bound by amorphous minerals, losses of soluble P due to soil erosion and phosphorus exports in crops are among the main constraints to agricultural production in the volcanic highlands of North Kivuin the Democratic Republic of Congo. This study was carried out to determine the capacity of cover legumes (<em>Mucuna pruriens</em> and <em>Demodium intortum</em>) to influence soil P mobilization for the improvement of phosphate nutrition in maize cultivated on young andosol. To this end, an experiment was conducted using a randomized and subdivided compl

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9

Duwig, C., B. Prado, A. J. Tinet, et al. "Impacts of land use on hydrodynamic properties and pore architecture of volcanic soils from the Mexican Highlands." Soil Research 57, no. 6 (2019): 629. http://dx.doi.org/10.1071/sr18271.

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Volcanic soils are important resources because of their unique mineralogical and physical characteristics, and allophanic Andosols represent some of the world’s most fertile soils. However, their unique properties can be lost when cultivated. Most soils in the Central Valley, Mexico, are derived from volcanic materials. This valley encompasses one of the largest water supply systems in the world by volume, but is affected by soil degradation and deforestation. Sustainably managing volcanic soils requires understanding how land use affects their hydrodynamic properties. Gas adsorption and mercu

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10

Marsum, Marsum, Sunarto Sunarto, Widodo Widodo, Khayan Khayan, and Slamet Wardoyo. "Waste treatment innovation for infusion bottles using soil solution." PLOS ONE 17, no. 8 (2022): e0273394. http://dx.doi.org/10.1371/journal.pone.0273394.

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The amount of medical waste, especially infusion bottles, is a problem for environmental pollution. Improper management of infusion bottle waste can have an impact on disease transmission. The medical waste treatment used high technology and high costs will be a financial burden, so simple and effective treatment innovations is needed. This study uses an experimental method of removing bacteria from infusion bottles using a mixture of water and Andoso soil as a solution for washing infusion bottle waste. The soil solution concentration used in washing was 45% with a contact time of 2 minutes.

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11

Zemke, Julian J., Ulli Bange, John Dellen, et al. "Penetration Resistance of Laacher See-tephra Andosols—Evaluating Rooting Conditions of Undisturbed and Excavated Forest Soils in SW-Germany." Forests 11, no. 3 (2020): 360. http://dx.doi.org/10.3390/f11030360.

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This study discusses penetration resistance (PR) of forested Pumice-Andosol sites. PR, a key soil property influencing root growth and elongation, exerts a substantial influence on ecological site quality and tree growth. Andosols were expected to show low PR because of their unique characteristics (low bulk density, loose soil matrix). Five sites, two undisturbed and three backfilled, were sampled. The latter result from pumice excavation and were examined to quantify potential PR alterations in the aftermath of backfilling and pumice removal. Penetrologger sampling on undisturbed sites showe

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Aduhene-Chinbuah, Jeannette, Soh Sugihara, Masakazu Komatsuzaki, Tomoyasu Nishizawa, and Haruo Tanaka. "No Tillage Increases SOM in Labile Fraction but Not Stable Fraction of Andosols from a Long-Term Experiment in Japan." Agronomy 12, no. 2 (2022): 479. http://dx.doi.org/10.3390/agronomy12020479.

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No tillage (NT) fosters carbon (C) sequestration, increases soil organic matter (SOM) stock, and improves soil health. However, its effect on SOM accumulation in Andosol, which has high OM stabilization characteristics due to its specific mineral properties, remains unclear. In this study, we evaluated the effect of NT on SOM content and its distribution by the physical fractionation method and assessed the quality of accumulated SOM in each fraction. We collected soil samples at 0–2.5, 2.5–7.5, and 7.5–15 cm depths from NT and conventional tillage (CT) plots in a long-term (19 years) field ex

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13

Prastowo, Erwin, Pieter M. Grootes, Marie-Josée Nadeau, and Sri R. Utami. "Subsoil 14C Dynamics in Different Types of Tropical and Subtropical Soils under Different Crop Management." Radiocarbon 59, no. 3 (2016): 1021–34. http://dx.doi.org/10.1017/rdc.2016.81.

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AbstractRadiocarbon has been applied as a tracer to study carbon dynamics in different types of tropical soils, under paddy and non-paddy management on Java, Indonesia. The 14C concentrations were measured in samples of total organic carbon as well as in alkali-soluble humic acids, insoluble humin, and plant remains (roots, seeds, leaves) obtained from three sites with Andosols, Alisols, and Vertisols at different altitudes. In addition, the abundance and distribution of plant macrofossils in the soil column and organic δ13C values were determined. The results obtained so far are compared with

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14

Feszterová, Melánia, and Michal Hudec. "The Distribution of Metallic Elements among Humus Substances in Soil from Volcanic Rocks." Sustainability 14, no. 24 (2022): 16427. http://dx.doi.org/10.3390/su142416427.

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The ability of humus substances to form stable complexes with inorganic and organic soil constituents plays a vital role in the generation of environmental pollution, migration, and pollutants transformation. This paper deals with the study of the sorption of metallic elements (Al, Ca, Cu, Fe, K, Mn, Mg, Zn) in Andosols, Cambisols, and Planosols on Slovak soil types based on the detection of the quality and quantity of humus substances and soil textural properties. Five soil profiles from two areas in the central part of the Western Carpathians on volcanic rocks in Slovakia were investigated.

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15

Gonzalez-Rodriguez, Sara, and Maria Luisa Fernandez-Marcos. "Phosphate sorption and desorption by two contrasting volcanic soils of equatorial Africa." PeerJ 6 (October 23, 2018): e5820. http://dx.doi.org/10.7717/peerj.5820.

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Volcanic soils cover 1% of the Earth’s surface but support 10% of the world’s population. They are among the most fertile soils in the world, due to their excellent physical properties and richness in available nutrients. The major limiting factor for plant growth in volcanic soils is phosphate fixation, which is mainly attributable to active species of aluminium and iron. The sorption and desorption of phosphate is studied on the surface horizons of two African agricultural soils, a silandic Andosol (Rwanda) and a vitric Andosol (São Tomé and Principe). Both soils are slightly acid. The silan

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16

Arum, Sekar, and Temmy Wikaningrum. "Study of Lerak (Sapindus Rarak) Biochar Application for Andosol Agricultural Soil Remediation." IOP Conference Series: Earth and Environmental Science 1065, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1755-1315/1065/1/012020.

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Abstract Andosol is a type of soil that has a high nutrient content and is suitable for agricultural land. However, the use of pesticides in farming to increase and protect production from physical defects can cause a decrease in andosol soil quality. This study aims to determine whether the application of lerak biochar can improve the quality of andosol soil on the parameters of pH, organic carbon and total nitrogen based on the Soil Quality Standard of the Indonesian Agricultural Environmental Research Institute in 2009. The experiment was carried out by applying 0.805 g of biochar to 2 kg o

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17

Rahmi, E., H. Satriawan, Ernawita, and Muliana. "Heavy metal remediation in copper (Cu) contaminated soil of Andosol and Latosol using spinach (Amaranthus sp.) as bioaccumulator." IOP Conference Series: Earth and Environmental Science 1352, no. 1 (2024): 012032. http://dx.doi.org/10.1088/1755-1315/1352/1/012032.

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Abstract Concentration of heavy metal copper (Cu) which often present as pollutant in the environment can be minimized by one of remediation techniques called phytoremediation. It is a relatively inexpensive, simple, effective technique and showed minimal effect to the environment. This study aims to investigate the effectiveness of spinach (Amaranthus sp.) in reducing Cu concentration in Andosol and Latosol soils. Three (3) different types of planting media namely Andosol, Latosol, and sandy soils with control treatment (without Cu) and Cu treatment (as CuSO4.5H2O) at a dose of 100 mg/kg or (

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18

Rahayu, Aster, Maryudi Maryudi, Nuraini Nuraini, Nafira Alfi Zaini Amrillah, Irwan Mulyadi, and Farah Fadillah Hanum. "Reduction of COD, pH and Phosphate Levels in Laundry Wastewater Using Multi Soil Layering (MSL) Method." JURNAL SAINS NATURAL 13, no. 1 (2023): 31. http://dx.doi.org/10.31938/jsn.v13i1.450.

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The growth of laundry services is directly proportional to the use of detergent. Detergent is a cleaning product that contains high levels of COD and phosphate. One method that can be used to overcome this problem is Multi Soil Layering (MSL). This research focussed on the flow rate's effect on decreasing pH, COD, and phosphate levels in industrial laundry waste. MSL was installed using a mixture of andosol soil and activated charcoal from coconut shells. Laundry wastewater was let into MSL with flowrate: 10, 50, and 100 ml/minute. The waste degradation system is placed anaerobically by optimi

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19

Wu, En, Guo Rong Xin, and Kazuo Sugawara. "Effects of Arbuscular Mycorrhizal Fungi on Grass and Weed in Acidic Andosol." Applied Mechanics and Materials 281 (January 2013): 664–69. http://dx.doi.org/10.4028/www.scientific.net/amm.281.664.

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With the aggravation of volcanic ash Andosol acidification, artificial forage grass Dactylis glomerata L. gradual degradation, replaced by weed plant Anthoxanthum odoratum L., but the mechanism is unclear. In order to reveal the mechanism, this study used Andosol soil as matrix, explored the effects of arbuscular mycorrhizal fungi on D. glomerata and A. odoratum at different pH gradients in acidic Andosol by glasshouse experiment. The results show that the mycorrhizal colonization of D. glomerata strongly affected by soil pH, but the A. odoratum was not yet. The mycorrhizal symbiosis led to a

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Bejar Pulido, Silvia Janeth, Israel Cantú Silva, and Erik Orlando Luna Robles. "Respiración de un Andosol bajo diferentes usos de suelo." e-CUCBA 22, no. 11 (2024): 46–53. http://dx.doi.org/10.32870/e-cucba.vi22.346.

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Soil respiration is one of the main sources of CO₂ emissions in the soil, making itvulnerable to any change. The objective of this research was to evaluate the effect ofthe change in land use from forestry to agriculture on soil respiration, moisture andtemperature. Soil respiration was determined using the closed dynamic chambermethod, soil temperature was determined with a sensor (STP-1) and soil moisturecontent was determined by the gravimetric method. The Kruskal-Wallis test showedsignificant differences for the variables soil respiration and temperature betweenland uses, while soil moistu

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Primandari, Sri Rizki Putri, Mulianti Mulianti, Gusni Sushanti, Mohamed Gabbasa, and Muneer M. Ba-Abbad. "The effectiveness of the multi-soil-layering system in reducing pollutant parameters of crumb rubber industrial wastewater." Teknomekanik 6, no. 2 (2023): 122–35. http://dx.doi.org/10.24036/teknomekanik.v6i2.27672.

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Multi-soil-layering (MSL) is well-known as an emerging technology for wastewater treatment. However, limited studies have been conducted on the crumb rubber industry. Thus, this study aims to reduce the crumb rubber industrial wastewater using MSL system. Four models of MSL conducted it. They are (1) constructed by body size of gravel with a mixture of andosol soil and fine charcoal; (2) body size of gravel with a mixture of andosol soil, fine charcoal, sawdust, and iron particles; (3) tube size of gravel with a mixture of andosol soil and fine charcoal; and (4) tube size of gravel with a mixt

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UGOLINI, FIORENZO C. "Andosols. 1984." Soil Science 142, no. 6 (1986): 369–72. http://dx.doi.org/10.1097/00010694-198612000-00009.

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23

Krause, A., T. Nehls, E. George, and M. Kaupenjohann. "Organic wastes from bioenergy and ecological sanitation as soil fertility improver: a field experiment in a tropical Andosol." SOIL Discussions 2, no. 2 (2015): 1221–61. http://dx.doi.org/10.5194/soild-2-1221-2015.

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Abstract. Andosols require the regular application of phosphorus (P) to sustain crop productivity. In a practice oriented field experiment at an Andosol site in NW Tanzania, the effects of various soil amendments (standard compost, urine, biogas slurry and CaSa-compost [biochar and sanitized human excreta]) on (i) the productivity of locally grown crop species, on (ii) the plants' nutrient status and on (iii) the soil's physico-chemical properties were studied. None of the amendments had any significant effect on soil moisture, so the observed variation in crop yield and plant nutrition reflec

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Nofriandi, Irfan, Faiz Barchia, Fahrurrozi Fahrurrozi, Bilman W. Simanihuruk, and Entang Inoriah Sukarjo. "Stem Cutting Growth of Red Dragon Fruit (Hylocereus costaricensis) due to Aplication of Cow Manure and KCl in Andosol." TERRA : Journal of Land Restoration 4, no. 2 (2021): 48–52. http://dx.doi.org/10.31186/terra.4.2.48-52.

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This study aims to obtain the optimum dose of manure for red dragon fruit plant growth on Andosol, optimum K fertilizer dose for red dragon fruit plant growth on Andosol, and the interaction of manure and K fertilizer for red dragon fruit plant growth on Andosol. This research was conducted from August 2018 to November 2018 at the Horticulture Seed Center, Kepahiang Regency, Bengkulu Province. This study used a completely randomized design (CRD) consisting of two factors with three replications. The first factor is cow manure, which is 0 g/polybag, 20 g/polybag, 40 g/ polybag, and 60 g/polybag

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Yuge, Kozue, and Mitsumasa Anan. "Evaluation of the Effect of Wind Velocity and Soil Moisture Condition on Soil Erosion in Andosol Agricultural Fields (Model Experiment)." Water 11, no. 1 (2019): 98. http://dx.doi.org/10.3390/w11010098.

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Soil erosion by the wind is an important phenomenon in drastic soil degradation. In Japan, andosol agricultural field is eroded by the wind and agricultural productivity is significantly affected. The aim of this study was to evaluate the effect of wind velocity and soil moisture condition on the soil erosion in andosol agricultural fields. Also, we determined the timing and amount of irrigation water needed to prevent soil erosion by the wind with respect to the wind and soil moisture conditions. A numerical model to simulate airflow in bare andosol field was developed using a continuity equa

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Urushadze, T. F., W. E. H. Blum, E. V. Sanadze, and T. O. Kvrivishvili. "Andosols of Georgia." Eurasian Soil Science 44, no. 9 (2011): 969–75. http://dx.doi.org/10.1134/s106422931109016x.

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AMANO, Yoji. "Phosphorus Status and Age of Andosol." Quaternary Research (Daiyonki-Kenkyu) 30, no. 5 (1991): 443–45. http://dx.doi.org/10.4116/jaqua.30.443.

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Kleber, Markus, Sabine Zikeli, Michael Kastler, and Reinhold Jahn. "An Andosol from Eastern Saxony, Germany." Journal of Plant Nutrition and Soil Science 166, no. 4 (2003): 533–42. http://dx.doi.org/10.1002/jpln.200321102.

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Kawanishi, Takuya, Hiroyuki Kawashima, Kazuyuki Chihara, and Motoyuki Suzuki. "Effect of Biological Clogging on Infiltration Rate in Soil Treatment Systems." Water Science and Technology 22, no. 3-4 (1990): 101–8. http://dx.doi.org/10.2166/wst.1990.0189.

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Effect of biomass on the soil hydraulic conductivity was clarified on andosol soil. The approximate value of the maximum allowable density of biomass was determined, which corresponds to the minimum hydraulic conductivity of the clogged andosol soil. On the basis of these values and the mass balance of the substrate, the relation among substrate concentration, thickness of clogged zone and the percolation rate was discussed. In addition, a numerical model was constructed, and the biomass growth and the change of permeability were simulated. Calculated results were compared with the results of

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Oo, Aung, Shigeto Sudo, Shoji Matsuura, Khin Win, and Takeru Gonai. "Aerated Irrigation and Pruning Residue Biochar on N2O Emission, Yield and Ion Uptake of Komatsuna." Horticulturae 4, no. 4 (2018): 33. http://dx.doi.org/10.3390/horticulturae4040033.

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After irrigation in intensive vegetable cultivation, the soil is filled with water leading to reduced oxygen content of the soil air which will affect vegetable growth and soil N2O emission. In this study, the effect of aerated irrigation and residue biochar on soil N2O emission, yield, and ion uptake of komatsuna grown in Andosol was explored. The experiment included four treatments; control (tap water irrigation), aerated water irrigation, pruning residue biochar with tap water irrigation, and a combination of aerated irrigation and biochar. The results showed that aerated irrigation had no

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Eun, Heesoo, Eriko Yamazaki, Yu Pan, Sachi Taniyasu, Kosuke Noborio, and Nobuyoshi Yamashita. "Evaluating the Distribution of Perfluoroalkyl Substances in Rice Paddy Lysimeter with an Andosol." International Journal of Environmental Research and Public Health 19, no. 16 (2022): 10379. http://dx.doi.org/10.3390/ijerph191610379.

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The properties of potential emerging persistent contaminants, perfluoroalkyl substances (PFAS), in an andosol rice paddy lysimeter were analyzed to determine their mobility and leaching behavior regarding carbon chain length and functional groups. For this purpose, simulated contaminated water (ΣPFAS = 1,185,719 ng/L) was used in the lysimeter. The results showed that PFAS distribution in the paddy soil lysimeter was influenced by the migration of these substances into irrigation water and their adsorption into the soil. PFHxS (C6) and PFOS (C8), which are the main components of the simulated

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Gusmaini, Gusmaini, and M. Syakir. "EFEK KALIUM TERHADAP PERTUMBUHAN, PRODUKSI DAN MUTU SERAIWANGI / Effect of Potassium on Growth, Yield and Quality of Citronella Grass." Jurnal Penelitian Tanaman Industri 26, no. 1 (2020): 32. http://dx.doi.org/10.21082/jlittri.v26n1.2020.32-39.

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<p>Citronella grass nowadays are developed in the highland that dominated by Andosol soil type. Thus, it is important to find out the proper fertilizer dosage, especially potassium, for citronella grass cultivation in Andosol soil. This study aimed to obtain the optimal of potassium dosage for growth, production and quality of Citronella grass oil. It was conducted at Manoko research station in Lembang, Bandung West Java from July 2014 to August 2015. This research was arranged in randomized block design, with 5 treatments and 5 replication. The treatments consisted of 5 potassium dosage

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Kin, Tadahiro, Naoto Araki, Md Kawchar Ahmed Patwary, et al. "Production method of environmental tracer 132Cs by accelerator-based neutron." EPJ Web of Conferences 239 (2020): 20002. http://dx.doi.org/10.1051/epjconf/202023920002.

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Cesium-132 has proposed as an alternative tracer of 137Cs for environment study on radioactive cesium dynamics released by a nuclear power plant accident. In the present study, we conducted a production experiment of the 132Cs by means of accelerator-based neutron method to investigate production amount and radioactive purity. A 12-g Cs2CO3 sample was irradiated by the accelerator-based neutron via the C(d,n) reactions by 1.2 µA of 30-MeV deuterons. As a result, 102 kBq/g of 132Cs was obtained with higher than 98.5% radioactive purity. Following that, a feasibility study of cesium dynamics mea

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Tonneijck, Femke H., Johannes van der Plicht, Boris Jansen, Jacobus M. Verstraten, and Henry Hooghiemstra. "Radiocarbon Dating of Soil Organic Matter Fractions in Andosols in Northern Ecuador." Radiocarbon 48, no. 3 (2006): 337–53. http://dx.doi.org/10.1017/s0033822200038790.

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Volcanic ash soils (Andosols) may offer great opportunities for paleoecological studies, as suggested by their characteristic accumulation of organic matter (OM). However, understanding of the chronostratigraphy of soil organic matter (SOM) is required. Therefore, radiocarbon dating of SOM is necessary, but unfortunately not straightforward. Dating of fractions of SOM obtained by alkali-acid extraction is promising, but which fraction (humic acid or humin) renders the most accurate 14C dates is still subject to debate. To determine which fraction should be used for 14C dating of Andosols and t

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Firdaus, Irvan Maulana, Diva N. M. D. Masyitoh, Tharra A. N. Azizah, and Febiyanto Febiyanto. "The Identification of Electrolyte Property of Humus-Contained Andosol Soil Using Cu-Zn Electrodes." Walisongo Journal of Chemistry 3, no. 2 (2020): 71. http://dx.doi.org/10.21580/wjc.v3i2.6202.

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<p><em>This study investigated the electrolyte property of humus-contained andosol soil using Volta cell. The electrodes that are used were Cu and Zn for cathode and anode, respectively. This research was done by varying electrode area and distance between Cu and Zn electrodes. The varied electrode area was 20, 30, and 40 cm<sup>2</sup>, whereas the electrode distance was 3, 4, and 5 cm. Then, the current and voltage profiles of Volta cell system were measured using a digital multimeter. The result showed that humus-contained andosol soil has an electrolyte property. El

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Endo, A., S. Mishima, and K. Kohyama. "Modeling nitrate leaching on a cropped Andosol." Nutrient Cycling in Agroecosystems 85, no. 1 (2009): 41–61. http://dx.doi.org/10.1007/s10705-009-9247-x.

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Velázquez López, Juan, José Pedro Juárez Sánchez, Benito Ramírez Valverde, Ignacio Ocampo Fletes, Juan Morales Jiménez, and Gustavo Ramírez Valverde. "El maíz cacahuacintle. Determinación y caracterización de zonas de cultivo en México." Revista de Geografía Agrícola, no. 67 (October 5, 2021): 000. http://dx.doi.org/10.5154/r.rga.2021.67.04.

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El objetivo de la investigación fue evaluar mediante modelos basados en variables agroclimáticas el potencial de regiones agrícolas con aptitud para cultivar maíz cacahuacintle (Zea mays sp) en México. Mediante agrupación estadística y análisis de conglomerados por variables de producción y valor de esta, se establecieron regiones agrícolas con potencial: alto, mediano y bajo. La extensión potencial fue 1 634 137 624 ha, ubicadas en el centro de México que representan, el 17 % de la superficie agrícola nacional y el 28 % de la superficie sembrada de maíz grano en 2020. El cacahuacintle represe

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KIMPE, C. R. DE, and J. DEJOU. "CLASSIFICATION OF SOILS DEVELOPED ON BASIC PARENT MATERIALS IN THE CANADIAN AND FRENCH SYSTEMS OF SOIL CLASSIFICATION." Canadian Journal of Soil Science 66, no. 1 (1986): 177–81. http://dx.doi.org/10.4141/cjss86-018.

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Six profiles of soils developed on parent materials poor in SiO2 but rich in total Fe (> 10% Fe2O3), were sampled in Canada and France. In the French system of soil classification, the soils were classified as Andosols or Andic and Andic Brown soils because of their large amounts of < 50 μm particles and amorphous material, and their low bulk density related to large percentages of organic matter. All profiles contained one or more horizons that met the criteria of a Podzolic B horizon in the Canadian system of soil classification. The absence of a class for Andosols makes an appropriate

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Krause, Ariane, Thomas Nehls, Eckhard George, and Martin Kaupenjohann. "Organic wastes from bioenergy and ecological sanitation as a soil fertility improver: a field experiment in a tropical Andosol." SOIL 2, no. 2 (2016): 147–62. http://dx.doi.org/10.5194/soil-2-147-2016.

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Abstract. Andosols require the regular application of phosphorus (P) to sustain crop productivity. On an Andosol in NW Tanzania, we studied the short-term effects of amending standard compost, biogas slurry and CaSa compost (containing biochar and sanitized human excreta) on (i) the soil's physico-chemical properties, on (ii) biomass growth and crop productivity, and on (iii) the plants' nutrient status. The practice-oriented experiment design included the intercropping of seven locally grown crop species planted on 9 m2 plots with five repetitions arranged as a Latin rectangle. Differences in

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Agustin, F., C. I. Abdullah, D. Herlina, et al. "Aquifer Geometry Identification and Determination of Aquifer Storage and Recovery (ASR) in Bandung." IOP Conference Series: Earth and Environmental Science 1175, no. 1 (2023): 012005. http://dx.doi.org/10.1088/1755-1315/1175/1/012005.

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Abstract Groundwater basins in Bandung city are included in the category of vulnerable areas to damage. It is interpreted that the Bandung area has damaged groundwater conditions. Geological conditions and soil in Bandung and its surroundings consist of alluvial layers of the eruption of Mount Tangkuban Perahu. The type of material in the north is generally a type of andosol. In the south and east of Bandung consists of a distribution of alluvial species with clay deposits and andosol soil types scattered in the central and western parts. This research was conducted to determine the hydrogeolo

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Baskoro, Dwi Putro Tejo, and Suria Darma Tarigan. "Soil Moisture Characteristics on Several Soil Types." Jurnal Ilmu Tanah dan Lingkungan 9, no. 2 (2007): 77–81. http://dx.doi.org/10.29244/jitl.9.2.77-81.

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Soil water availability is one of the important factors injluencing plant growth. Soil that can store more water in alonger time can support a better plant growth. This study was aimed to evaluate the dynamics of soil water of four differentsoils with different characteristics. Four soils classes are clayey textured soils-Red Yellowish Podsolik Jasinga, Clayeytextured soils-Latosol Darmaga, . Sandy Textured soil-Regosol Sindang Barang, and highly organic mater content soi/sAndosolSukamantri. The result showed that at every-suction analyzed, Andosol Sukamantri had consistently highest watercont

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Oleschko, K., G. Korvin, A. Muñoz, et al. "Mapping soil fractal dimension in agricultural fields with GPR." Nonlinear Processes in Geophysics 15, no. 5 (2008): 711–25. http://dx.doi.org/10.5194/npg-15-711-2008.

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Abstract. We documented that the mapping of the fractal dimension of the backscattered Ground Penetrating Radar traces (Fractal Dimension Mapping, FDM) accomplished over heterogeneous agricultural fields gives statistically sound combined information about the spatial distribution of Andosol' dielectric permittivity, volumetric and gravimetric water content, bulk density, and mechanical resistance under seven different management systems. The roughness of the recorded traces was measured in terms of a single number H, the Hurst exponent, which integrates the competitive effects of volumetric w

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Menyah, M. K., and K. Sato. "Survival of inoculant Bradyrhizobium japonicum in an Andosol." Biology and Fertility of Soils 23, no. 2 (1996): 105–9. http://dx.doi.org/10.1007/bf00336048.

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Hiradate, Syuntaro, Akihiro Furubayashi, Natsuyo Uchida, and Yoshiharu Fujii. "Adsorption of 2,4-Dichlorophenoxyacetic Acid by an Andosol." Journal of Environmental Quality 36, no. 1 (2007): 101–9. http://dx.doi.org/10.2134/jeq2005.0415.

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Menyah, M. K., and K. Sato. "Survival of inoculant Bradyrhizobium japonicum in an Andosol." Biology and Fertility of Soils 23, no. 2 (1996): 105–9. http://dx.doi.org/10.1007/s003740050145.

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Hue Van, Nguyen, and Ahmad Amjad. "Arsenic reactions and brake fern (Pteris vittata L.) uptake in tropical soils." Plant, Soil and Environment 63, No. 2 (2017): 55–61. http://dx.doi.org/10.17221/428/2016-pse.

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In Hawaii, past use of arsenical pesticides has left elevated levels of arsenic (As) in some soils. Sorption isotherms of an Andosol and an Acrisol showed that the former required 1100 mg/kg, and the latter 300 mg/kg of added As to maintain 0.20 mg As/L in solution, the maximum allowable As level in streams/rivers in Hawaii. Greenhouse experiments were conducted on an Andosol (315 mg/kg total As), which was amended with 0, 5 g/kg compost, 5 g Fe/kg as amorphous Fe(OH)<sub>3</sub>, or 250 mg P/kg as Ca(H<sub>2</sub>PO<sub>4</sub>)<sub>2</sub>, and

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Yamada, Kohei, Kiyoshi Ito, Tadashi Takahashi, Hitoshi Kanno, and Masami Nanzyo. "Inhibitory effect of acid Andosols on plants – is aluminum toxicity true for allophanic Andosols?" Soil Science and Plant Nutrition 57, no. 4 (2011): 491–99. http://dx.doi.org/10.1080/00380768.2011.595360.

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Suryani, Erma, and Herwita Idris. "KOMPOSISI MEDIA TANAMAN DALAM MENINGKATKAN VIABILITAS BENIH YLANG-YLANG (Canangium odoratum forma genuina)." JURNAL GALUNG TROPIKA 11, no. 2 (2022): 164–71. http://dx.doi.org/10.31850/jgt.v11i2.983.

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Tanaman Ylang-ylang (Canangium odoratum forma genuina) yang ada di Indonesia adalah forma Guinena familia Annonaceae yang mempunyai banyak manfaat salah satunya diproduksi sebagai penghasil minyak atsiri yang diproduksi dari hasil penyulingan bunga. Dalam pengembangannya tanaman Ylang-ylang dapat secara generatif dan vegetatif, tapi saat ini banyak dilakukan dengan cara generatif . Untuk itu telah dilakukan penelitian mengenai Komposisi Media Tanaman dalam Meningkatkan Viabilitas benih Ylang-ylang (Canangium odoratum forma genuina). Dengan menggunakan metoda faktorial dalam rancangan acak leng

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Widiasmadi, Nugroho. "Sistem Konservasi Pertanian pada Tanah Regosol dengan Teknologi IoT Smart Biosoildam." Prosiding Sains Nasional dan Teknologi 12, no. 1 (2022): 31. http://dx.doi.org/10.36499/psnst.v12i1.7343.

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Tujuan dari analisis peningkatan laju infiltrasi tanah pada agroland Andosol dengan melibatkan pupuk hayati MA-11 pada Biosoildam. Sebagai kontrol adalah tanah asli tanpa dipicu aktivitas mikroba. Penelitian dilaksanakan pada bulan Juli sampai Agustus 2020 di areal agroland bawang merah di Kecamatan Kepahiyang. Penelitian ini menggunakan double ring infiltrometer untuk mengukur infiltrasi tanah dengan tiga kali ulangan pada setiap jarak dari Biohole dan menggunakan electrolit conductor (EC) untuk mengukur kesuburan tanah dengan konsentrasi ion garam dan kemasaman tanah. Pengukuran dilakukan se

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Yumioka, Daisuke, Takehide Hama, Koichiro Kitamura, Satoshi Hatate, Hiroaki Ito, and Yasunori Kawagoshi. "Adsorption of Phosphorus Infiltrating Andosol in Aso Caldera, Kumamoto." Journal of Water and Environment Technology 18, no. 1 (2020): 37–44. http://dx.doi.org/10.2965/jwet.19-068.

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