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Journal articles on the topic 'Soil physical chemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 January 2023

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1

Sparks, Donald L. "Soil Physical Chemistry." Soil Science 145, no. 3 (1988): 231–32. http://dx.doi.org/10.1097/00010694-198803000-00012.

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2

Vodianitsky, Yu. "SOIL CHEMISTRY TRENDS." Dokuchaev Soil Bulletin, no. 66 (December 11, 2010): 64–82. http://dx.doi.org/10.19047/0136-1694-2010-66-64-82.

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In modern soil chemistry, four main directions are being actively developed: 1) chemistry of organic matter, 2) biochemical processes in soils, 3) chemical basis of soil protection, 4) soil study aschemical membrane and a pool of chemical elements. Interest to the study of organic matter, soil contamination and the role of soil as a chemical component of the environment reflects pragmatic trends in modern soil chemistry. Many advances in soil chemistry are now associated with the use of new nonspecific methods of analysis, primarily physical ones. The greatest progress has been made inidentifi

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3

Conte, Pellegrino, Roberta Bertani, Paolo Sgarbossa, et al. "Recent Developments in Understanding Biochar’s Physical–Chemistry." Agronomy 11, no. 4 (2021): 615. http://dx.doi.org/10.3390/agronomy11040615.

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Biochar is a porous material obtained by biomass thermal degradation in oxygen-starved conditions. It is nowadays applied in many fields. For instance, it is used to synthesize new materials for environmental remediation, catalysis, animal feeding, adsorbent for smells, etc. In the last decades, biochar has been applied also to soils due to its beneficial effects on soil structure, pH, soil organic carbon content, and stability, and, therefore, soil fertility. In addition, this carbonaceous material shows high chemical stability. Once applied to soil it maintains its nature for centuries. Cons

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&NA;. "Physical Chemistry of Paddy Soils." Soil Science 146, no. 3 (1988): 211. http://dx.doi.org/10.1097/00010694-198809000-00017.

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5

Bogaci, Ruxandra. "Physical chemistry of paddy soils." Soil and Tillage Research 9, no. 1 (1987): 93–94. http://dx.doi.org/10.1016/0167-1987(87)90054-7.

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6

Kula, Emmanuel, and Martin Lazorík. "Centipedes, millipedes, terrestrial isopods and their relationships to physical and chemical properties of forest soils." Entomologica Fennica 27, no. 1 (2019): 33–51. http://dx.doi.org/10.33338/ef.84657.

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The quality of soil environment in forest ecosystems of mountain zones was characterised by skeleton content and particle size as well as soil moisture and chemistry and used for deepening the knowledge of ecological requirements of centipedes, millipedes and terrestrial isopods. Soil skeleton and size of the particles were significant environmental factors, with Lithobius austriacus, Lithobius erythrocephalus and Lithobius nodulipes preferring stony soils. The isopods Ligidium hypnorum and Hyloniscus riparius were closely bound to heavy soils with a high clay content, which was related to inc

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7

Gamble, Donald. "The Physical Chemistry of Pesticides in Soil and Water." Agriculture 7, no. 11 (2017): 91. http://dx.doi.org/10.3390/agriculture7110091.

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8

Fouad, Mohamed Riad. "Physical characteristics and Freundlich model of adsorption and desorption isotherm for fipronil in six types of Egyptian soil." Current Chemistry Letters 12, no. 1 (2023): 207–16. http://dx.doi.org/10.5267/j.ccl.2022.8.003.

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The soil type and temperature are considered important parameters that can influence the rates and equilibria of different environmental processes. Therefore, the adsorption and desorption isotherms of fipronil in clay loam, clay, sandy loam, sandy clay loam, sand and loamy sand soils at 25 and 50˚C was studied. The amount of fipronil adsorbed and desorbed by different soils was significantly influenced by the temperature. Adsorption was higher in clay loam, clay, sandy clay loam and sandy soil at 25°C, while sand soil and loamy sand soil at 50°C. The non-desorbed amount was greater at 25°C in

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9

Carter, M. R., J. O. Skjemstad, and R. J. MacEwan. "Comparison of structural stability, carbon fractions and chemistry of krasnozem soils from adjacent forest and pasture areas in south-western Victoria." Soil Research 40, no. 2 (2002): 283. http://dx.doi.org/10.1071/sr00106.

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Basalt-derived krasnozems are generally well-structured soils; however, there is a concern that intensive agricultural practices may result in an adverse decline in soil organic carbon, organic matter chemistry, and structural quality over time. A study was conducted on loam to silty clay loam krasnozems (Ferrosols) near Ballarat in south-western Victoria to assess changes in soil C, soil structural stability, and C chemistry, at the 0–10 cm soil depth, under 3 paired sites consisting of adjacent long-term forest (Monterey pine or eucalyptus) v. 30 year cropping &lsqb;3 year pasture–2 year

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10

Feng, Zhen, Cong Jie Li, and Xue Li Gao. "Roadbed Treatment Research in Expansive Soil Area." Applied Mechanics and Materials 580-583 (July 2014): 469–73. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.469.

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This paper elaborate the bad geological characteristic and the huge disaster caused by expansive soil. When constructing the road or railway in expansive soil area, the roadbed disease such as slope stability failure,roadbed settlement,mud pumping,ballast bag and so on is elaborated. The expansion and shrinkage mechanism of expansive soil has been studied from such aspects as physical-chemistry-mechanics effect, material composition, external influencing factors and so on. In expansive soil area, such expansive soil treatment and reinforcement methods as physical improvement, chemistry improve

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11

Kumar, Arun, Robin Kumar, Chetan Kumar Jangir, and Lalit Kumar Rolaniya. "Water logged soil; impact on physical changes of soil, flooding chemistry of paddy soil and water table fluctuation." Progressive Agriculture 18, no. 1 (2018): 102. http://dx.doi.org/10.5958/0976-4615.2018.00017.0.

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12

Bastianelli, Carole, Adam A. Ali, Julien Beguin, et al. "Boreal coniferous forest density leads to significant variations in soil physical and geochemical properties." Biogeosciences 14, no. 14 (2017): 3445–59. http://dx.doi.org/10.5194/bg-14-3445-2017.

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Abstract. At the northernmost extent of the managed forest in Quebec, Canada, the boreal forest is currently undergoing an ecological transition between two forest ecosystems. Open lichen woodlands (LW) are spreading southward at the expense of more productive closed-canopy black spruce–moss forests (MF). The objective of this study was to investigate whether soil properties could distinguish MF from LW in the transition zone where both ecosystem types coexist. This study brings out clear evidence that differences in vegetation cover can lead to significant variations in soil physical and geoc

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13

Curtin, D., H. Steppuhn, F. Selles, and A. R. Mermut. "Sodicity in irrigated soils in Saskatchewan: Chemistry and structural stability." Canadian Journal of Soil Science 75, no. 2 (1995): 177–85. http://dx.doi.org/10.4141/cjss95-025.

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Irrigation with sodic waters may damage soil structure, but neither the processes involved nor the critical levels of exchangeable Na have been well defined for prairie soils. We examined two irrigated soils from southern Saskatchewan on which sodicity damage had occurred to determine the processes and the chemical conditions (exchangeable Na and electrolyte concentration) that cause structural damage. Dispersion of clays in the upper 20 cm of the profile seemed to be the primary cause of structural deterioration. Examination of irrigated soil by scanning electron microscopy (SEM) showed that

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14

Dodd, K., C. N. Guppy, P. V. Lockwood, and I. J. Rochester. "The effect of sodicity on cotton: Does soil chemistry or soil physical condition have the greater role?" Crop and Pasture Science 64, no. 8 (2013): 806. http://dx.doi.org/10.1071/cp13078.

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Soil sodicity is widespread in the cracking clays used for irrigated cotton (Gossypium hirsutum L.) production in Australia and worldwide and sometimes produces nutrient imbalances and poor plant growth. It is not known whether these problems are due primarily to soil physical or to soil chemical constraints. We investigated this question by growing cotton to maturity in a glasshouse in large samples of a Grey Vertosol in which the exchangeable sodium percentage (ESP) was adjusted to 2, 13, 19, or 24. A soil-stabilising agent, anionic polyacrylamide (PAM), was added to half the pots and stabil

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15

Skjemstad, J. O., L. J. Janik, and J. A. Taylor. "Non-living soil organic matter: what do we know about it?" Australian Journal of Experimental Agriculture 38, no. 7 (1998): 667. http://dx.doi.org/10.1071/ea97143.

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Summary. Non-living soil organic matter is a small but critical component of soils contributing to soil structure, fertility and a range of other chemical, physical and biological functions. Although considerable work has contributed to our knowledge of its distribution, chemical structure, mineral associations and turnover, there is still little information on which fractions or pools of non-living soil organic matter are implicated in various soil functions and to what extent. This review paper summarises some of what is known about the distribution, chemistry, mineral associations and soil

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16

Yarie, John, Keith Van Cleve, C. T. Dyrness, Lola Oliver, Jim Levison, and Roy Erickson. "Soil-solution chemistry in relation to forest succession on the Tanana River floodplain, interior Alaska." Canadian Journal of Forest Research 23, no. 5 (1993): 928–40. http://dx.doi.org/10.1139/x93-121.

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The chemical composition of soil solution reflects the demand of soil biological processes and the solubility and ion-exchange equilibria between physical and biological components of the soil. The objectives of this study were to document soil-solution chemistry for representative phases of the primary successional sequence on the Tanana River floodplain near Fairbanks, Alaska, and to assess the effect of physical versus biological control on solution chemistry in these sites. Soil-solution samples were collected weekly using porous-cup soil-solution samplers located 20, 50, and 150 cm below

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17

Nichols, Kristine A., and Jonathan J. Halvorson. "Roles of Biology, Chemistry, and Physics in Soil Macroaggregate Formation and Stabilization." Open Agriculture Journal 7, no. 1 (2013): 107–17. http://dx.doi.org/10.2174/1874331520131011003.

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Many soil functions depend on the distribution of macro- (≥ 0.25 mm) and micro- (< 0.25 mm) aggregates and open space between aggregates (i.e. soil structure). Despite the importance of macroaggregates in soil, little is understood about how they form and become stable. We hypothesize that biological activities, chemical reactions, and physical forces which help to form macroaggregates differ from those involved in stabilization. Formation is a binding process where aggregate components are brought spatially closer together, ‘bagged’ or enmeshed by roots and fungal hyphae and ‘glued’ by lab

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18

Chorom, M., and P. Rengasamy. "Carbonate chemistry, pH, and physical properties of an alkaline sodic soil as affected by various amendments." Soil Research 35, no. 1 (1997): 149. http://dx.doi.org/10.1071/s96034.

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A greenhouse experiment evaluated the chemical and physical changes of a Natrixeralf (with alkaline pH 9·4 and 5% CaCO3), as influenced by the changes in carbonate chemistry, pH, and particle charge following the application of gypsum, green manure, and glucose. Gypsum reduced the pH from 9·38 to 7·89, increased Ca2+ in soil solution, and decreased the sodium adsorption ratio (SAR1:5) from 11·6 to 1·2. Green manure, due to increased CO2 production, reduced the pH to 8·68 and SAR1:5 to 7·52. Green manure plus gypsum reduced pH to 7·67 and SAR1:5 to 0·91. The interactive effect of gypsum and gre

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19

Stutter, M. I., M. S. Alam, S. J. Langan, S. J. Woodin, R. P. Smart, and M. S. Cresser. "The effects of H2SO4 and (NH4)2SO4 treatments on the chemistry of soil drainage water and pine seedlings in forest soil microcosms." Hydrology and Earth System Sciences 8, no. 3 (2004): 392–408. http://dx.doi.org/10.5194/hess-8-392-2004.

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Abstract. An experiment comparing effects of sulphuric acid and reduced N deposition on soil water quality and on chemical and physical growth indicators for forest ecosystems is described. Six H2SO4 and (NH4)2SO4 treatment loads, from 0 – 44 and 0 – 25 kmolc ha-1 yr-1, respectively, were applied to outdoor microcosms of Pinus sylvestris seedlings in 3 acid to intermediate upland soils (calc-silicate, quartzite and granite) for 2 years. Different soil types responded similarly to H2SO4 loads, resulting in decreased leachate pH, but differently to reduced N inputs. In microcosms of calc-silicat

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20

Ryan, PJ. "Boron retention within a catena of rhyolitic soils and Its effect on radiata pine growth and nutrition." Soil Research 27, no. 1 (1989): 135. http://dx.doi.org/10.1071/sr9890135.

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Boron deficiency in Pinus radiata (D. Don) plantations in N.S.W. has been particularly evident on soils derived from acid igneous parent materials. A slope sequence (catena) of soils on a rhyolitic parent material was selected to study the amount of boron retention and its relationship to soil development. The soils at three positions, a hillcrest, mid-slope and lower slope, were described and various soil chemical and physical properties were determined for each horizon. Tree height, deformity, survival and foliar chemistry of 6 year old P. radiata were measured in plots adjacent to the three

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21

P. Jeyaseeli, P. Jeyaseeli, F. Jeyamangalam F Jeyamangalam, D. Muthuraj D. Muthuraj, and S. C. Vella Durai. "Physical, Thermal and Electrochemical Descant of Soil of Tirunelveli, India." Oriental Journal Of Chemistry 38, no. 1 (2022): 177–85. http://dx.doi.org/10.13005/ojc/380122.

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To accomplish organic nourishment for the fleetly growing population in India can hold creating purposeful events at fostering the wise use of organic manures in crop productivity. Soil is one in all the foremost necessary physical factors dominant the flow and preservation of water, solutes, gases and biota in agriculture and natural environment. An understanding of physical condition of any soil is crucial for implementation of variable fields across the landscape. The field work is designed in South India of Tamil Nadu by planting the sweet corn at Karisalpatti village, Tirunelveli in 2018.

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22

Jiang, Qianjing, Ming Cao, Yongwei Wang, Jun Wang, and Zhuoliang He. "Estimation of Soil Shear Strength Indicators Using Soil Physical Properties of Paddy Soils in the Plastic State." Applied Sciences 11, no. 12 (2021): 5609. http://dx.doi.org/10.3390/app11125609.

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Saturated soil shear strength is a primary factor that reflects the driving resistance of agricultural machinery in paddy soils. The determination of soil shear strength indicators, such as cohesion and internal frictional angle, is crucial to improve the walking efficiency of agricultural machinery in paddy soils. However, the measurement of these indicators is often costly and time-consuming. Soil moisture content, density, and clay content are crucial factors that affect the cohesion and internal friction angle, while very limited studies have been performed to assess the interactive effect

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23

Stanila, Anca Luiza, Catalin Cristian Simota, Iulian Ratoi, Aurelia Diaconu, and Mihail Dumitru. "Research on Improving Fertility Sandy Soils from Dabuleni Field by Administration of Loess." Revista de Chimie 70, no. 2 (2019): 543–48. http://dx.doi.org/10.37358/rc.19.2.6952.

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In order to solve and clarifying certain aspects of the clay content (particles [0.002 mm) sands and sandy soils, humus, respectively, the process of bioaccumulation and mineralization the organic matter of the land, in the Research and Development Centre for Plant Growing on Sand Dabuleni, have initiated research aimed at finding methods and means for accumulating and thus the increase in the content of clay in the soil, respectively humus.Therefore, to improve radical of sandy soils, we found it necessary to resort to what is called loess process. It consists in enriching the horizon the sur

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Stanila, Anca-Luiza, Catalin Cristian Simota, and Mihail Dumitru. "Contributions to the Knowledge of Sandy Soils from Oltenia Plain." Revista de Chimie 71, no. 1 (2020): 192–200. http://dx.doi.org/10.37358/rc.20.1.7831.

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Highlighting the sandy soil of Oltenia Plain calls for a better knowledge of their variability their correlation with major natural factors from each physical geography. Pedogenetic processes specific sandy soils are strongly influenced by nature parent material. This leads, on the one hand, climate aridity of the soil due to strong heating and accumulation of small water reserves, consequences emphasizing the moisture deficit in the development of the vegetation and favoring weak deflation, and on the other hand, an increase in mineralization organic matter. Relief under wind characteristic s

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25

Dodd, K., C. N. Guppy, P. V. Lockwood, and I. J. Rochester. "Impact of waterlogging on the nutrition of cotton (Gossypium hirsutum L.) produced in sodic soils." Crop and Pasture Science 64, no. 8 (2013): 816. http://dx.doi.org/10.1071/cp13093.

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Sodicity in Vertosols used for agricultural production can adversely affect the growth and nutrition of cotton (Gossypium hirsutum L.) plants. Cotton produced in sodic soils has reduced dry matter and lint yield and can develop toxic plant tissue concentrations of sodium (Na) but limited tissue concentrations of phosphorus (P,) potassium (K), and micronutrients. Crops produced on sodic soils frequently suffer from aeration stress after an irrigation or rainfall event, and it was hypothesised that the adverse physical and/or chemical conditions of sodic soils may exacerbate the effects of water

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26

Seibert, J., T. Grabs, S. Köhler, H. Laudon, M. Winterdahl, and K. Bishop. "Technical Note: Linking soil – and stream-water chemistry based on a riparian flow-concentration integration model." Hydrology and Earth System Sciences Discussions 6, no. 4 (2009): 5603–29. http://dx.doi.org/10.5194/hessd-6-5603-2009.

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Abstract. The riparian zone, the last few meters of soil through which water flows before entering the stream, has been identified as a first order control on key aspects of stream water chemistry dynamics. We propose that the vertical distribution of lateral water flow across the profile of soil water chemistry in the riparian zone provides a conceptual explanation of how this control functions in catchments where matrix flow predominates. This paper presents a mathematical implementation of this concept as well as the model assumptions. We also present an analytical solution, which provides

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27

Duniec, Grzegorz, and Andrzej Mazur. "Modified Description of Soil Processes vs. Quality of Numerical Weather Forecasts - “Bare Soil” Case." Ecological Chemistry and Engineering S 22, no. 4 (2015): 659–73. http://dx.doi.org/10.1515/eces-2015-0040.

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Abstract Soil and atmosphere boundary layer (ABL) interact with each other and influence on physical processes in soil and atmosphere. Current parameterization of soil physical processes in TERRA_ML (multilayer soil module of COSMO meteorological model) was prepared more than 40 years ago and did not give satisfactory forecast results. New parameterizations should involve physical processes in the soil (microphysics processes in soil, fluid dynamics in porous media, soil dynamics, etc.), water cycle in soil and soil-plant-water relation. The aim of this project was to improve current soil para

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28

Looney, John Henry H., and John Proctor. "The vegetation of ultrabasic soils on the Isle of Rhum I. Physical environment, plant associations and soil chemistry." Transactions of the Botanical Society of Edinburgh 45, no. 4 (1989): 335–50. http://dx.doi.org/10.1080/03746608908684972.

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29

NAETH, M. A., A. W. BAILEY, and W. B. McGILL. "PERSISTENCE OF CHANGES IN SELECTED SOIL CHEMICAL AND PHYSICAL PROPERTIES AFTER PIPELINE INSTALLATION IN SOLONETZIC NATIVE RANGELAND." Canadian Journal of Soil Science 67, no. 4 (1987): 747–63. http://dx.doi.org/10.4141/cjss87-073.

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A study was conducted in Solonetzic mixed prairie of southern Alberta to evaluate and determine the longevity of selected ecosystem responses to pipeline installation. Five adjacent natural gas pipelines on a series of rights-of-way (ROW) were studied at three sites. The lines, which were installed in 1957, 1963, 1968, 1972 and 1981, had diameters of 86, 86, 91, 107 and 107 cm, respectively. Soils were analyzed for particle size distribution, bulk density, pH, electrical conductivity, ion composition, and organic matter content. It was concluded that pipeline construction in Solonetzic mixed p

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30

Neagu, Anisoara-Arleziana, Alina Soceanu, and Semaghiul Birghila. "Analysis of Soils Parameters in Correlation with Vegetation Period." Revista de Chimie 71, no. 9 (2020): 210–20. http://dx.doi.org/10.37358/rc.20.9.8331.

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Soil is a complex ecosystem whose functionality is related to the links that exist between chemical, physical, biological parameters and microbial communities. Our purpose was to carry out an analysis of variance of chemical properties of the soil in relation to the vegetation period. The analysis of the soil gives us knowledge about the fertility status of the soil, which is closely related to the nutritional status of plants. The analysis involved urban soil, agricultural soil and greenhouse soil from Dobrogea area. Soil samples come from the urban area: Constanta, agricultural area: Ciocarl

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31

Pinto Vilar, Rayla, and Kaoru Ikuma. "Effects of Soil Surface Chemistry on Adsorption and Activity of Urease from a Crude Protein Extract: Implications for Biocementation Applications." Catalysts 12, no. 2 (2022): 230. http://dx.doi.org/10.3390/catal12020230.

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In the bacterial enzyme-induced calcite precipitation (BEICP) technique for biocementation, the spatial distribution of adsorbed and catalytically active urease dictates the location where calcium carbonate precipitation and resulting cementation will occur. This study investigated the relationships between the amount of urease and total bacterial proteins adsorbed, the retained enzymatic activity of adsorbed urease, and the overall loss of activity upon adsorption, and how these relationships are influenced by changes in soil surface chemistry. In soils with hydrophobic contents higher than 2

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32

Seibert, J., T. Grabs, S. Köhler, H. Laudon, M. Winterdahl, and K. Bishop. "Linking soil- and stream-water chemistry based on a Riparian Flow-Concentration Integration Model." Hydrology and Earth System Sciences 13, no. 12 (2009): 2287–97. http://dx.doi.org/10.5194/hess-13-2287-2009.

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Abstract. The riparian zone, the last few metres of soil through which water flows before entering a gaining stream, has been identified as a first order control on key aspects of stream water chemistry dynamics. We propose that the distribution of lateral flow of water across the vertical profile of soil water chemistry in the riparian zone provides a conceptual explanation of how this control functions in catchments where matrix flow predominates. This paper presents a mathematical implementation of this concept as well as the model assumptions. We also present an analytical solution, which

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33

Bennett, J. McL, R. S. B. Greene, B. W. Murphy, P. Hocking, and D. Tongway. "Influence of lime and gypsum on long-term rehabilitation of a Red Sodosol, in a semi-arid environment of New South Wales." Soil Research 52, no. 2 (2014): 120. http://dx.doi.org/10.1071/sr13118.

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This paper determines the influence of lime and gypsum on the rehabilitation of a degraded sodic soil in a semi-arid environment 12 years after application. The aim was to assess rehabilitation strategies for sodic soils as alternatives to the application of gypsum alone. An experimental site was used where lime and gypsum combinations (L0G0, lime 0 t ha–1 and gypsum 0 t ha–1; L0G1, L0G2.5, L0G5, L1G0, L2.5G0, L5G0, L1G1, L2.5G1) had been applied 12 years prior, in 1994. An earlier study had reported on the effects after 3 years of the chemical ameliorants and tillage on a range of soil physic

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34

Dyrness, C. T., and K. Van Cleve. "Control of surface soil chemistry in early-successional floodplain soils along the Tanana River, interior Alaska." Canadian Journal of Forest Research 23, no. 5 (1993): 979–94. http://dx.doi.org/10.1139/x93-126.

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Surface soils on recently deposited alluvium along the Tanana River, Alaska, have an elevated pH and are high in salts such as calcium carbonate and calcium sulfate. With advancing plant succession surface soil chemistry changes, and when the alder–balsam poplar stage is reached these salt deposits are absent. To test the hypothesis that soil surface salt (salt crust) accumulates as a result of the combined action of capillary rise of groundwater and surface evaporation, a treated plot experiment was undertaken in the early open willow stage on the floodplain where the soil surface was devoid

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35

Gao, Lei, Yi Luo, Yingeng Kang, Mingjun Gao, and Omar Abdulhafidh. "Experimental Study on Physical Mechanical Properties and Microstructure of Diatomite Soil in Zhejiang Province, China." Applied Sciences 12, no. 1 (2021): 387. http://dx.doi.org/10.3390/app12010387.

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Diatomite soil is a kind of bio-siliceous soil with complex composition and special structure, the physical and mechanical properties of diatomite soil are very important for the engineering project. In this paper, the physical properties, mechanical properties, and microstructure of diatomite soil in Zhejiang Province are studied by geotechnical tests and microscopic tests from the macroscopic and microscopic perspective. The results show that: (1) The diatomite soil has special properties different from other soils, including small particle size, low specific gravity value, high liquid-plast

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36

Baiamonte, Giorgio, Giuseppina Crescimanno, Francesco Parrino, and Claudio De Pasquale. "Biochar Amended Soils and Water Systems: Investigation of Physical and Structural Properties." Applied Sciences 11, no. 24 (2021): 12108. http://dx.doi.org/10.3390/app112412108.

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There are significant regional differences in the perception of the problems posed by global warming, water/food availability and waste treatment recycling procedures. The study illustrates the effect of application of a biochar (BC) from forest biomass waste, at a selected application rate, on water retention, plant available water (PAW), and structural properties of differently standard textured soils, classified as loamy sand, loam and clay. The results showed that soil water retention, PAW, and aggregate stability were significantly improved by BC application in the loamy sand, confirming

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37

Whalen, Joann K., Shamim Gul, Vincent Poirier, et al. "Transforming plant carbon into soil carbon: Process-level controls on carbon sequestration." Canadian Journal of Plant Science 94, no. 6 (2014): 1065–73. http://dx.doi.org/10.4141/cjps2013-145.

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Whalen, J. K., Gul, S., Poirier, V., Yanni, S. F., Simpson, M. J., Clemente, J. S., Feng, X., Grayston, S. J., Barker, J., Gregorich, E. G., Angers, D. A., Rochette, P. and Janzen, H. H. 2014. Transforming plant carbon into soil carbon: Process-level controls on carbon sequestration. Can. J. Plant Sci. 94: 1065–1073. Plants figure prominently in efforts to promote C sequestration in agricultural soils, and to mitigate greenhouse gas (GHG) emissions. The objective of the project was to measure the transformations of plant carbon in soil through controlled laboratory experiments, to further unde

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38

Choi, Hyun-Sug, Curt Rom, and Jason McAfee. "(317) Effects of Different Organic Mulch on Soil Physical Characteristics and Leaf Nutrition in Apple Orchards." HortScience 40, no. 4 (2005): 1027D—1027. http://dx.doi.org/10.21273/hortsci.40.4.1027d.

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Mulch may affect soil chemistry, soil microclimate, biological communities, and tree performance. The trial was conducted to evaluate the effects of different orchard mulches on leaf nutrition, soil moisture, bulk density, root density, and water infiltration for understanding potential use in organic orchards for weed control and as a nutrient resource. Black plastic, hardwood chips, and shredded white paper were applied to three apple cultivars, `Gala', `Jonagold', and `Braeburn' on M.9 rootstocks. A control was sprayed with contact herbicide. Trees grown in hardwood mulch had the highest fo

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Ren, Zibei, Ming Li, Yanzhe Hui, Zengwang Ma, and Jiancai Gu. "Remediation Effect of Biomass Amendment on the Physical-Chemical Performance and Sustainable Utilization of Sandy Soil." Annales de Chimie - Science des Matériaux 45, no. 1 (2021): 33–42. http://dx.doi.org/10.18280/acsm.450105.

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Soil desertification affects the service functions of the ecosystem. In severe cases, it even causes a decline in agricultural productivity and shrinkage of animal husbandry, posing a threat to regional eco-environment and economic sustainability. The previous research on soil remediation research mainly concentrates on heavy metal degradation, saline soil improvement, and eroded and degraded soil improvement. There is little report on the biomass improvement and restoration of sandy soil. Therefore, this paper explores the remediation effect of biomass amendment on the physical-chemical perfo

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Brook, Anna, and Lea Wittenberg. "Ash-soil interface: Mineralogical composition and physical structure." Science of The Total Environment 572 (December 2016): 1403–13. http://dx.doi.org/10.1016/j.scitotenv.2016.02.123.

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Evdina, Tatiana, Yulia Gorbunova, Anna Grigorievskaya, Nadezhda Gorbunova, and Tatiana Devyatova. "Influence of changes in the physicochemical properties of soils on the floristic composition of the pyrogenic territories of the forest-steppe of the Central Russian Plain." АгроЭкоИнфо 1, no. 49 (2022): 17. http://dx.doi.org/10.51419/202121117.

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For a ten-year period after the fire of 2010, three succession phases were established in the development of the pyrogenic formation of Betula pendula in the conditions of the forest-steppe zone in the Voronezh and Lipetsk regions. The first phase from 2011 to 2014 is a pioneer grouping, with a random set of plants and their disunity. The soils in this phase differed in fluctuations in acidity with its general decrease. In the 2nd phase of succession from 2015 to 2018, the complication of the structure of the phytocenosis was established with the approval of the forest phytocoenotype as an ind

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Jiang, Wenjia, Aqarab Husnain Gondal, Haroon Shahzad, et al. "Amelioration of Organic Carbon and Physical Health of Structurally Disturbed Soil through Microbe–Manure Amalgam." Processes 10, no. 8 (2022): 1506. http://dx.doi.org/10.3390/pr10081506.

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Less precipitation, high temperature, and minimal natural vegetation are characteristic of regions having an arid climate. The harsh environment massively destructs the soil structure of that area by burning soil organic carbon, leading to deteriorated soil nutritional quality, creating a significant threat to agricultural production and food security. Direct application of organic wastes not only substitutes lost organic carbon but also restores soil structure and fertility. This study was conducted to assess the impact of organic amendments, i.e., farm manure (FM), poultry manure (PM), molas

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Carpa, Rahela, Vasile-Daniel Gherman, Mihail Dr�gan-Bularda, Marilena Motoc, and Elena Ana Pauncu. "Physico-chemical and Bacteriological Characterization of the Soil Types from Various Altitudinal Vegetation Zones in Par�ng Mountains." Revista de Chimie 59, no. 9 (2008): 1057–61. http://dx.doi.org/10.37358/rc.08.9.1968.

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There were collected soil samples from various vegetation sites and altitudinal vegetation zones of the Par�ng Mountains, from the South-Eastern part of the Hunedoara county, and they were analysed from the physico-chemical and bacteriological point of view. The chemical analyses consisted in the appreciation of the reaction of the soil (pH), in establishing the humus and total nitrogen content. According to these analyses, the soil is generally acid and presents normal nitrogen content. In order to establish the soil type and classes existing in the Par�ng Mountain, the chemical analyses were

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Liana, Epy, Muhamad Husni Idris, and Irwan Mahakam Lesmono Aji. "Karakteristik Sifat Fisika dan Kimia Tanah Berdasarkan Tipe Pengelolaan Lahan pada Hutan Produksi Di Desa Banyu Urip Lombok Tengah." HUTAN TROPIKA 17, no. 1 (2022): 51–60. http://dx.doi.org/10.36873/jht.v17i1.4189.

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This study aimed to investigate the physical and chemical characteristics of the soil based on the type of land management in the production forest in Banyu Urip Village, Central Lombok. Determination of the sampling point is done by employing stratified random sampling. The sampling points were 22, divided into two types of land: forest land (dominated by MPTS plants and woody plants) and agricultural land (dominated by seasonal plants). Soil samples were taken with two depths, namely 0-10 cm and 10-20 cm. Soil samples taken were disturbed and undisturbed soil with variables of physical prope

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Sayyed, Mohammed I., Ferdi Akman, Veysel Turan, and Aslı Araz. "Evaluation of radiation absorption capacity of some soil samples." Radiochimica Acta 107, no. 1 (2018): 83–93. http://dx.doi.org/10.1515/ract-2018-2996.

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Abstract The aim of the present work is to investigate the radiation absorption capacity of different soil samples in Turkey. For this purpose, we used a γ ray transmission geometry to measure the mass attenuation coefficients of eight soil samples collected between Bingöl city and Solhan district, Turkey at different γ-ray energies in the range of 13.94–88.04 keV. The radioactive sources utilized in the experiment were 241Am, 109Cd and 133Ba. FFAST and WinXCOM programs were used to evaluate the theoretical mass attenuation coefficients values of the selected soil samples. There is a good agre

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Carvalho, G. S., J. R. Oliveira, N. Curi, D. G. Schulze, and J. J. Marques. "Selenium and mercury in Brazilian Cerrado soils and their relationships with physical and chemical soil characteristics." Chemosphere 218 (March 2019): 412–15. http://dx.doi.org/10.1016/j.chemosphere.2018.11.099.

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Bob, Joel, and Patrick S. Michael. "Nutrient dynamics under unmanaged rubber, cocoa, and oil palm plantations in a sandy soil under humid lowland tropical climatic conditions." International Journal of Environment 11, no. 1 (2022): 46–61. http://dx.doi.org/10.3126/ije.v11i1.45839.

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Changes in land use are an important issue in many farms that affect soil biological, chemical, and physical properties temporarily under cropping cycles or when the land is permanently allocated to perennial tree crops, e.g., in agroforestry. This study investigated the changes in sandy soil chemistry induced by three perennial tree crops (rubber, cocoa, and oil palm) growing in 30-year-old unmanaged and abandoned plantations and the surrounding grasslands dominated by cogon grass. A disruptive approach was used to collect soil samples from the top 60 cm under all the tree crops and in the gr

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Egli, M., R. Zanelli, G. Kahr, A. Mirabella, and P. Fitze. "Soil evolution and development of the clay mineral assemblages of a Podzol and a Cambisol in ‘Meggerwald’, Switzerland." Clay Minerals 37, no. 2 (2002): 351–66. http://dx.doi.org/10.1180/0009855023720039.

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AbstractTwo soils, a haplic Podzol and a dystric Cambisol, developed from post-glacial tills, were studied with respect to their soil chemistry and clay mineralogy. Although the state factors (age, geology, topography, climate) of soil formation were almost identical, two different types developed. The E horizon of the Podzol contained more smectite, characterized by a montmorillonite-beidellitemixed phase. The neoformation of smectite could be traced back to the weathering of mica and chlorite. The Podzol had less hydroxy-interlayered smectite (HIS) in the surface horizons than the Cambisol.

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Castanha, Cristina, Susan Trumbore, and Ronald Amundson. "Methods of Separating Soil Carbon Pools Affect the Chemistry and Turnover Time of Isolated Fractions." Radiocarbon 50, no. 1 (2008): 83–97. http://dx.doi.org/10.1017/s0033822200043381.

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A variety of physical and chemical techniques are used to fractionate soil organic matter, but detailed comparisons of the different approaches and tests of how separation methods influence the properties of isolated organic matter pools are lacking. In this case study based on A horizon samples of 2 California coniferous forests soils, we 1) evaluate the effects of root removal and ultrasonic dispersion on the properties of the <2 g cm-3 light fraction and 2) compare the properties of fractions obtained by sequential density separations of ultrasonically treated soil with those obtained by

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Raditya Putra Suhendra, Diah Arie W. K, and Nadhifah Al Indis. "Implementasi Alat Electric Fertilizer Untuk Mempengaruhi Pertumbuhan Tanaman Jagung Manis (Zea mays L.)." Jurnal Ilmiah Sistem Informasi 1, no. 2 (2022): 01–08. http://dx.doi.org/10.51903/juisi.v1i2.314.

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Electric current inserted to the soil media to stimulate plant growth is called electric fertilizer (EF). There are two types of plant fertilization methods, physical & chemical fertilization (synthetic chemistry and organic chemistry). EF is an alternative physical fertilizer that can be used for enhance plant growth beside chemical and biological fertilizer. Using EF can decrease inorganic or agrochemical input which often lead to soil degradation and high production cost in the implementation. This research aims to design EF apparatus to exerting DC electric current and voltage to

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