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Journal articles on the topic 'Loam soil'

Author: Grafiati

Published: 13 June 2021

Last updated: 25 July 2025

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1

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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2

Hussein Razzaq Nayyef. "Effect of continuous cultivation and soil texture on some soil properties." GSC Advanced Research and Reviews 13, no. 1 (2022): 077–84. http://dx.doi.org/10.30574/gscarr.2022.13.1.0271.

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The effects of soil continuous cultivation and soil texture on some of its properties, electrical conductivity, total porosity, and calcium carbonate content and soil penetration resistance. Six samples of soil material for a layer of 0-30 cm were collected from three different texture sites are Clay, Loam and Loamy Sand in Basra Governorate for three sites Abi al-Khasib, Karma and Zubair. Three of these samples represented the treatment of soil continuous cultivation, soil planted with alfalfa crop (Medicago sativa) for 7 consecutive years, and the other three samples from the same sites for

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3

Hussein, Razzaq Nayyef. "Effect of continuous cultivation and soil texture on some soil properties." GSC Advanced Research and Reviews 13, no. 1 (2022): 077–84. https://doi.org/10.5281/zenodo.7664723.

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The effects of soil continuous cultivation and soil texture on some of its properties, electrical conductivity, total porosity, and calcium carbonate content and soil penetration resistance. Six samples of soil material for a layer of 0-30 cm were collected from three different texture sites are Clay, Loam and Loamy Sand in Basra Governorate for three sites Abi al-Khasib, Karma and Zubair. Three of these samples represented the treatment of soil continuous cultivation, soil planted with alfalfa crop (Medicago sativa) for 7 consecutive years, and the other three samples from the same sites for

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4

Jamali, Kanwal, Farman Sahito, Zia-ul-Hassan Shah, et al. "Spatial Variability Mapping of Selected Soil Properties of District Tando Allahyar, Sindh, Pakistan." Journal of Applied Research in Plant Sciences 4, no. 02 (2023): 625–36. http://dx.doi.org/10.38211/joarps.2023.04.02.188.

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Spatial variability mapping of soil properties is essential to understand the differences among soils found in a geographical region for their better management. This study aimed at spatial variability mapping of selected soil properties of district Tando Allahyar, Sindh which is one of the most important districts of Sindh province. The results revealed that majority of soils (35.6%) had loamy slightly medium-textured type, including 30.8% silt loam, 3.8% loam and 1.0% silt, followed by clayey, fine-textured heavy type (27.9%), including 18.3% clay, 6.7% silty clay and 2.9% sandy clay. Soils

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5

M.K. Hardaha. "Soil Aquifer Treatment of Municipal Sewage under Layered Soil Columns." Journal of Agricultural Engineering (India) 51, no. 2 (2024): 44–53. http://dx.doi.org/10.52151/jae2014512.1550.

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A laboratory study was carried out on 18 columns of different soil layers to evaluate the effect of soil layers on soil aquifer treatment system for treatment of municipal wastewater. Six columns with layers of clay loam and loamy sand soils (top layer - 30, 45 and 60 cm of clay loam, 30 cm of clay loam amended with 15% sand, 30 cm of clay loam amended 30% sand and one homogeneous loamy sand) were loaded with municipal sewage continuously for two weeks. Treated water collected from the bottom of the column and raw sewage was analyzed for its constituents in terms of pH, EC, BOD5 , COD, turbidi

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6

Ismai, Ali H., and Hussein Ga Al-kellabi. "Assessment of Water Use Efficiency in Fields: Impact of Water Depletion Levels and Soil Textures on Zea Mays." Natural and Engineering Sciences 10, no. 1 (2025): 31–40. https://doi.org/10.28978/nesciences.1606425.

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Global water shortage is a major problem that needs for efficient irrigation management to provide food security and sustainable agriculture. n experiment was carried out in the fall of 2023 in Al-Musayyib, Babylon Governorate, Iraq. The aim of this work was to investigate how soil texture and irrigation depletion levels (I1 = 75% and I2 = 50%) affected the performance of the maize crop. The soil textures at the experimental site are sandy, loamy, sandy loam, and clay loam. Sandy loam soils (T1) had the greatest total excess water depth (I1) at 75% water depletion (I1), followed by sandy soils

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7

Watanabe, Kunio, Tetsuya Kito, Tomomi Wake, and Masaru Sakai. "Freezing experiments on unsaturated sand, loam and silt loam." Annals of Glaciology 52, no. 58 (2011): 37–43. http://dx.doi.org/10.3189/172756411797252220.

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AbstarctEstimating soil-water flow during ground freezing is important for understanding factors affecting spring farming, soil microbial activity below the frozen soil, and permafrost thawing behavior. In this study, we performed a column freezing experiment using three different unsaturated soils (sand, loam and silt loam) to obtain a detailed dataset of temperature, water-content and pressure-head change under freezing conditions. The liquid water content and pressure head in the three soils decreased with decreasing temperature. Three soil temperature stages were found: unfrozen, stagnatin

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8

Meng, Fanchao, Kelin Hu, Puyu Feng, Guozhong Feng, and Qiang Gao. "Simulating the Effects of Different Textural Soils and N Management on Maize Yield, N Fates, and Water and N Use Efficiencies in Northeast China." Plants 11, no. 23 (2022): 3338. http://dx.doi.org/10.3390/plants11233338.

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Determining the best management practices (BMPs) for farmland under different soil textures can provide technical support for improving maize yield, water- and nitrogen-use efficiencies (WUE and NUE), and reducing environmental N losses. In this study, a two-year (2013–2014) maize cultivation experiment was conducted on two pieces of farmland with different textural soils (loamy clay and sandy loam) in the Phaeozems zone of Northeast China. Three N fertilizer treatments were designed for each farmland: N168, N240, and N312, with N rates of 168, 240, and 312 kg ha−1, respectively. The WHCNS (so

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9

Jalota, SK, and SS Prihar. "Effects of atmospheric evaporativity, soil type and redistribution time on evaporation from bare soil." Soil Research 24, no. 3 (1986): 357. http://dx.doi.org/10.1071/sr9860357.

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Several reports in the literature show that atmospheric evaporativity (Eo), water transmission characteristics of soil and distribution of water in the profile influence the pattern of evaporation losses from soil, but few relate to their interactive effects. Experiments were conducted with silt loam, sandy loam and loamy sand soils with zero and 2 days' redistribution time before commencement of evaporation under high (15.1 � 0.50 mm day-1), medium (10.1 � 0.50 mm day-1) and low (6.3 � 0.52 mm day-1) Eo to ascertain if cumulative evaporation (CE) was always greater under higher Eo irrespectiv

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10

Mueller, Thomas C., and Philip A. Banks. "Flurtamone Adsorption and Mobility in Three Georgia Soils." Weed Science 39, no. 2 (1991): 275–79. http://dx.doi.org/10.1017/s0043174500071605.

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Flurtamone and atrazine adsorption to soil was examined using a batch equilibrium method. Flurtamone mobility in packed soil columns under saturated flow conditions was also evaluated. Adsorption was greater for flurtamone than atrazine in the three soils, and the order of adsorption to soil for both herbicides was Greenville sandy clay loam > Cecil loam > Dothan loamy sand. Greater adsorption of each herbicide corresponded to soils with greater organic matter and clay content. The14C–flurtamone movement under saturated flow conditions in 28–cm soil–packed columns was limited to 16 cm, w

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11

Barnes, Clyde J., Andrew J. Goetz, and Terry L. Lavy. "Effects of Imazaquin Residues on Cotton (Gossypium hirsutum)." Weed Science 37, no. 6 (1989): 820–24. http://dx.doi.org/10.1017/s0043174500072908.

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Field and laboratory studies were conducted in 1987 and 1988 on several Arkansas soils to determine the effects of residual levels of imazaquin on cotton. Imazaquin concentrations ranging from 0.007 to 0.024 μg/g and 0.00 to 0.015 μg/g were found in soil samples taken 12 and 24 months, respectively, following preplant-incorporated applications at rates of 140 g/ha. Cotton yields were reduced from 7 to 42% in 1987 as the soil concentration of imazaquin increased from 0.007 to 0.024 μg/g. Imazaquin persistence was greater in clay soils than loams or sandy loams. Imazaquin was weakly adsorbed to

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12

Li, Danfeng, and Ming'an Shao. "Simulating the vertical transition of soil textural layers in north-western China with a Markov chain model." Soil Research 51, no. 3 (2013): 182. http://dx.doi.org/10.1071/sr12332.

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The heterogeneity of textures in soil profiles is important for quantifying the movement of water and solutes through soil. Soil-profile textures to a depth of 300 cm were investigated at 100 sites in a 100-km2 area in the central region of the Heihe River system, where oases coexist with widespread deserts and wetland. The probability distribution of textural-layer thickness was quantified. The vertical transition of the soil textural layers was characterised by a Markov chain–log-normal distribution (MC-LN) model based on the probability of one textural type transitioning to another. Nine ty

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13

Yazdanpanah, N. "CO<sub>2</sub> emission and structural characteristics of two calcareous soils amended with municipal solid waste and plant residue." Solid Earth Discussions 7, no. 4 (2015): 3151–77. http://dx.doi.org/10.5194/sed-7-3151-2015.

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Abstract. This investigation examines the effect of different amendments on selected soil physical and biological properties over a twenty four month period in two cropland fields. Urban municipal solid waste (MSW) compost and alfalfa residue (AR) were used as different organic amendments at the rates of 0 (control), 10 and 30 Mg ha−1 to a clay loam soil and a loamy sand soil in a semiarid region. Result showed that the soil improvement was controlled by the application rate and decomposability of amendments and soil type. The addition of organic amendments to the soils improved aggregate stab

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14

Yazdanpanah, N. "CO<sub>2</sub> emission and structural characteristics of two calcareous soils amended with municipal solid waste and plant residue." Solid Earth 7, no. 1 (2016): 105–14. http://dx.doi.org/10.5194/se-7-105-2016.

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Abstract. This investigation examines the effect of different amendments on selected soil physical and biological properties over a 24-month period in two cropland fields. Urban municipal solid waste (MSW) compost and alfalfa residue (AR) were used as different organic amendments at the rates of 0 (control), 10 and 30 Mg ha−1 to a clay loam soil and a loamy sand soil in a semiarid region. Results showed that the soil improvement was controlled by the application rate and decomposability of amendments and soil type. The addition of organic amendments to the soils improved aggregate stability an

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15

Li, Jiangwen, Xihao Wei, Shouqin Zhong, En Ci, and Chaofu Wei. "A New Idea to Improve the Test Method of Soil Aggregate Stability for Soils with a Texture Gradient." Agronomy 13, no. 5 (2023): 1192. http://dx.doi.org/10.3390/agronomy13051192.

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It is of great significance to determine soil aggregate stability in predicting agricultural production conditions and soil erosion risk. However, the problem exposed in the process of evaluating soil aggregate stability cannot be ignored: Can the effects of different mechanisms on the degree of soil aggregate breakdown be distinguished by selecting ethanol and water as dispersion media? Based on this question, natural soils with a gradient in soil textures of silty loam to loamy clay were used as the test materials. Deionized water, ethanol and hexane were employed as soaking solutions to qua

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16

Wilson, John S., and Chester L. Foy. "Influence of Various Soil Properties on the Adsorption and Desorption of ICIA-0051 in Five Soils." Weed Technology 6, no. 3 (1992): 583–86. http://dx.doi.org/10.1017/s0890037x00035831.

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The soil organic matter and/or humic matter fraction was highly correlated with the adsorption of ICIA-0051 herbicide onto five soils; clay content and other soil factors were less correlated. The Freundlich equation was used to describe the adsorption of ICIA-0051 by the various soils. Based on the K constants, the general order for adsorption for each soil was Hyde silty clay loam > Frederick silt loam > Davidson clay = Bojac sandy loam > Appling loamy sand. Across all soils, 25 to 50% of the amount adsorbed was removed by two desorptions. Appling, Bojac, and Davidson soils retained

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17

Telesiński, Arkadiusz, Teresa Krzyśko-Łupicka, Krystyna Cybulska, et al. "Comparison of oxidoreductive enzyme activities in three coal tar creosote-contaminated soils." Soil Research 57, no. 8 (2019): 814. http://dx.doi.org/10.1071/sr19040.

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This study used laboratory experiments to compare the effects of coal tar creosote on the activity of oxidoreductive enzymes in sandy loam, loamy sand and sandy clay loam soils. Different amounts of coal tar creosote were added to soil samples as follows: 0 (control), 2, 10 or 50 g kg–1 dry matter. The activity of soil dehydrogenases (DHAs), o-diphenol oxidase (o-DPO), catalase (CAT), nitrate reductase (NR) and peroxidases (POX) was determined. Contamination of soil with coal tar creosote affected oxidoreductase activity. Oxidoreductive enzyme activity following soil contamination with coal ta

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18

Burbos, Rosecelle O., and Ruby Lyn V. Gutierrez. "PHYSICO-CHEMICAL ASSESSMENT OF RICE SOILS IN QUIRINO PROVINCE, PHILIPPINES." International Journal of Biomedicine & Life Sciences (IJBLS) 8, no. 1 (2023): 1–10. http://dx.doi.org/10.58885/ijbls.v08i1.001.rb.

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Optimum crop production is achievable with scientific soil analyses. Thus, the study was conducted in Quirino province covering rainfed and irrigated rice fields. The purpose of this study is to establish an updated database on the physical and chemical properties of these soils which intends to guide farmers in their rice farming activities, particularly on soil management. Results of the soil physicochemical analysis revealed that irrigated rice soils from Aglipay are Loam to Sandy Loam with a pH of 5.7-6.1 (medium acidic to slightly acidic) while rainfed soils are clayey with a pH of 5.3-7.

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19

Cruz, D. R., L. F. S. Leandro, D. A. Mayfield, Y. Meng, and G. P. Munkvold. "Effects of Soil Conditions on Root Rot of Soybean Caused by Fusarium graminearum." Phytopathology® 110, no. 10 (2020): 1693–703. http://dx.doi.org/10.1094/phyto-02-20-0052-r.

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Fusarium graminearum is an important soybean pathogen that causes seedling disease, root rot, and pre- and postemergence damping-off. However, effects of soil conditions on the disease are not well understood. The objective of this greenhouse study was to determine the impacts of soil texture, pH, and soil moisture on seedling root rot symptoms and detrimental effects on seedling development caused by F. graminearum. F. graminearum-infested millet was added (10%, vol/vol) to soil with four different textures (sand, loamy sand, sandy loam, and loam). Soil moisture was maintained at saturation,

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20

Atan Obeten Egor, Abong Augustine Agwul, and Bisong Samson Asu. "The use of ground penetrating radar (GPR) method in the evaluation of soil moisture content of parts of cross river central soil for precision agriculture in South-south Nigeria." International Journal of Science and Research Archive 9, no. 2 (2023): 392–403. http://dx.doi.org/10.30574/ijsra.2023.9.2.0564.

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Using a single offset of the GPR technique, the soil moisture content in the study areas has been satisfactorily characterized. The average water content of selected soils in the Central region of Cross-River State ranges from 0.24m3m-3 to 0.35m3m-3. The majority of the soil in the research area is loamy soil, which has little sand and silt particles, claims the study. The majority of loamy soil is made up of sand, silt, and a small amount of clay. When dry, loamy soil has the consistency of concrete and when wet, it turns into a sticky mess. The majority of plants and vegetables can be grown

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21

Ćwieląg-Piasecka, Irmina, Magdalena Debicka, and Agnieszka Medyńska-Juraszek. "Effectiveness of Carbaryl, Carbofuran and Metolachlor Retention in Soils under the Influence of Different Colloid." Minerals 11, no. 9 (2021): 924. http://dx.doi.org/10.3390/min11090924.

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The affinity of different soil colloids to retain carbaryl, carbofuran and metolachlor in sandy loam and loam soil from mineral, surface horizons was investigated. The undisturbed soil samples and soils amended with colloids—kaolinite (K), montmorillonite (Mt), illite (Il), goethite (G), humic acid (HA)—were mixed with the pesticides for sorption–desorption studies. Their sorption magnitude in pristine soils followed the sequence metolachlor > carbaryl > carbofuran, with loam soil being a better pesticides retarder than sandy soil. The biggest magnitude of carbaryl sorption in light soil

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22

Fernández, P. L., C. R. Alvarez, and M. A. Taboada. "Assessment of topsoil properties in integrated crop - livestock and continuous cropping systems under zero tillage." Soil Research 49, no. 2 (2011): 143. http://dx.doi.org/10.1071/sr10086.

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A regional study was conducted in the northern Pampas of Argentina in order to compare soil quality at proximal cropland sites that are managed under either continuous cropping (CC) (n = 11) or integrated crop–livestock (ICL) (n = 11) systems under zero tillage. In the ICL system, samples were taken in the middle of the agricultural period. Although soil total and resistant organic carbon (TOC, ROC) were significantly higher in silt loam soils than in loam/sandy loam soils, variations in carbon concentration were not associated with differences in soil management. Soil relative compaction was

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23

Yurkevich, Maria, Valeria Sidorova, and Inna Dubrovina. "Effects of application of extracts of brown seaweed Fucus vesiculosus L. on soil fertility and plant productivity." АгроЭкоИнфо 5, no. 47 (2021): 17. http://dx.doi.org/10.51419/20215517.

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In a model experiment, the effect of waste from deep processing of algae on the properties of mineral soil was investigated. In the experiment, sod-podzolic soil of different granulometric composition was used: sandy loam, clay and medium loam. The experiments were laid in vessels, in different versions. As a control, the studied soil was used without the introduction of algae (sandy loam, clay, loam). We used 500 g of mineral soil per 1 vessel and waste from deep processing of fucus vesiculata at a dose of 2% and 0.5% of the soil weight. As a result of the research, new data were obtained on

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Al-Ameri, Baydaa H. A., Suad A. Al-Saedi, and Ibrahim B. Razaq. "Effect of Boron Supplement on Yield of Wheat Grown in Calcareous Soils of Different Textural Classes under Arid Conditions." Journal of Agricultural Science 11, no. 1 (2018): 112. http://dx.doi.org/10.5539/jas.v11n1p112.

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Boron sufficiency supply to plant in calcareous soils of arid regions is severely reduced under arid climatic conditions. Therefore, this study was conducted to determine the effect of Boron (B) fertilization on yield of Wheat grown in calcareous soils of arid regions. Boron was added at two rates namely 0 and 0.5 mg B kg-1 soil to three most common textured class&rsquo;s soils. Straw and grain yield was determined on oven dried basis. B content of plants was determined as well. Straw and grain yield of wheat was significantly increased by (67.0 and 87.1%), (24.5 and 82%) and (64.5 and 48%

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25

Massey, Jeffrey D., W. James Steenburgh, Sebastian W. Hoch, and Jason C. Knievel. "Sensitivity of Near-Surface Temperature Forecasts to Soil Properties over a Sparsely Vegetated Dryland Region." Journal of Applied Meteorology and Climatology 53, no. 8 (2014): 1976–95. http://dx.doi.org/10.1175/jamc-d-13-0362.1.

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AbstractWeather Research and Forecasting Model forecasts over the Great Salt Lake Desert erroneously underpredict nocturnal cooling over the sparsely vegetated silt loam soil area of Dugway Proving Ground in northern Utah, with a mean positive bias error in temperature at 2 m AGL of 3.4°C in the early morning [1200 UTC (0500 LST)]. Positive early-morning bias errors also exist in nearby sandy loam soil areas. These biases are related to the improper initialization of soil moisture and parameterization of soil thermal conductivity in silt loam and sandy loam soils. Forecasts of 2-m temperature

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26

A S, Krishnamoorthy, and Priyadharshini B. "Physical, Chemical and Biological Properties of Casing Soil Used for Milky Mushroom (Calocybe indica P&C) Production." Madras Agricultural Journal 103, December (2016): 338–43. http://dx.doi.org/10.29321/maj.10.001045.

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Experiments were conducted to find out the effect of different casing soils viz., peat, clay loam soil, sandy soil, biogas slurry, FYM, cocopeat on the yield and yield attributing parameters of milky mushroom (Calocybe indica var.APK2). Among the different casing media, clay loam soil has given the maximum yield (390 g / bed containing 250 g of paddy straw substrate on dry weight basis recording 156% bio-efficiency) and more number of buttons (8.1 /bed) than other casing media. Analysis of physical, chemical and biological properties of clay loam soil revealed that it contained high pH 8.40. C

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27

Arablousabet, Yeganeh, and Arvydas Povilaitis. "Assessing the Role of Air Nanobubble-Saturated Water in Enhancing Soil Moisture, Nutrient Retention, and Plant Growth." Sustainability 16, no. 13 (2024): 5727. http://dx.doi.org/10.3390/su16135727.

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Nanobubble-saturated water (NBSW) has received significant attention in water management in recent years. Therefore, three parallel experiments (E1, E2, and E3) were conducted on two silty loam soils (one with 12.11% higher clay) and sandy loam soil, with additional biochar amendments in each soil type, to assess air NBSW’s impact on soil moisture, nutrient retention, and plant growth. The results revealed increased soil moisture retention in the sandy loam and silty loam soils with a lower clay content. It reduced the K+ input compared to conventional watering without highly affecting the amo

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Adegbite, Ayodele A. "Soil Texture effect on Growth of Cowpea Plants under Root-knot Nematode, Meloidogyne incognita Infested Conditions." Greener Journal of Agricultural Sciences 7, no. 10 (2017): 271–74. https://doi.org/10.15580/GJAS.2017.10.120517175.

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Root-knot nematode (<em>M. incognita</em>) constitutes one of the important nematode pests on cowpea (<em>Vigna unguiculata</em>). The edaphic factors of soil such as soil texture play vital role in determining the severity of diseases caused by plant-parasitic nematodes. Screen house studies were conducted in 2013 and 2014 using 15cm size plastic pots (one kg capacity) having soils of five different textures (clay, clay loam, sandy loam, loamy sand and sand) on root-knot nematode (<em>M. incognita</em>) at          one J<sub>2</sub>/g soil in cowpea (c.v. Ife bro

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Rosen, Carl J., and David E. Birong. "Soil Quality Factors Affecting Garlic Production." HortScience 32, no. 3 (1997): 445D—445. http://dx.doi.org/10.21273/hortsci.32.3.445d.

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Recent demand for high-quality garlic (Allium sativum L.) has prompted an interest in growing garlic as an alternative crop in the Upper Midwest. The overall objective of this study was to determine the effects of various amendments on garlic growth and selected soil quality indices in two contrasting soils. Garlic (Rocambole type) was planted in the fall of 1995 on a Kandota sandy loam (5% organic matter) and a Spartan loamy sand (1.5% organic matter). Three treatments replicated three times were tested: 1) a nonamended control, 2) manure compost, and 3) fertilizer application based on a soil

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30

Lu, Jian, Baoyang Sun, Feipeng Ren, Hao Li, and Xiyun Jiao. "Effect of Freeze-Thaw Cycles on Soil Detachment Capacities of Three Loamy Soils on the Loess Plateau of China." Water 13, no. 3 (2021): 342. http://dx.doi.org/10.3390/w13030342.

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Soil detachment is the initial phase of soil erosion and is of great significance to study in seasonal freeze-thaw regions. In order to elucidate the effects mechanism of freeze-thaw cycles on soil detachment capacity of different soils, a sandy loam, a silt loam, and a clay loam were subjected to 0, 1, 5, 10, 15, and 20 freeze-thaw cycles before they were scoured. The results revealed that with increased freeze-thaw cycles, soil bulk density and water-stable aggregates content decreased after the first few times and then kept nearly stable after about 10 cycles, especially for sandy loam. The

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31

Alahmad, Tarek, Miklós Neményi, and Anikó Nyéki. "Soil Moisture Content Prediction Using Gradient Boosting Regressor (GBR) Model: Soil-Specific Modeling with Five Depths." Applied Sciences 15, no. 11 (2025): 5889. https://doi.org/10.3390/app15115889.

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Monitoring soil moisture content (SMC) remains challenging due to its spatial and temporal variability. Accurate SMC prediction is essential for optimizing irrigation and enhancing water use efficiency. In this research, a Gradient Boosting Regressor (GBR) model was developed and validated to predict SMC in two soil textures, loam and silt loam, using meteorological data from Internet of Things (IoT) sensors and gravimetric SMC field measurements collected from five different depths. The statistical analysis revealed significant variation in SMC across depths in loam soil (p < 0.05), while

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32

Akhter, J., K. Mahmood, K. A. Malik, A. Mardan, M. Ahmad, and M. M. Iqbal. "Effects of hydrogel amendment on water storage of sandy loam and loam soils and seedling growth of barley, wheat and chickpea." Plant, Soil and Environment 50, No. 10 (2011): 463–69. http://dx.doi.org/10.17221/4059-pse.

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The hydrogel amendments may improve seedling growth and establishment by increasing water retention capacity of soils and regulating the plants available water supplies, particularly under arid environments. The effects of different levels of a locally prepared hydrogel were studied on the moisture properties of sandy loam and loam soils (fine-loamy, mixed, hyperthermic Typic Haplargids, USDA, Luvic Yermosol, FAO) and on growth response of three plant species, viz. barley (Hordeum vulgare L.), wheat (Triticum aestivum L.) and chickpea (Cicer arietinum L.). Water absorption by gel was rapid and

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Nikooee, Ehsan, Rasoul Mirghafari, Ghassem Habibagahi, Alireza Ghadamgahi Khorassani, and Amir Mohammad Nouri. "Determination of soil-water retention curve: an artificial intelligence-based approach." E3S Web of Conferences 195 (2020): 02010. http://dx.doi.org/10.1051/e3sconf/202019502010.

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Soil Water Retention Curve (SWRC) is a fundamental relationship in unsaturated soil mechanics, knowledge of which is essential for determining major mechanical and hydraulic properties of unsaturated soils. There are several empirical, semi-empirical and physically-based models which have been proposed to date for estimating SWRC. While the physically-based models which employ the basic soil characteristics such as grain-size and pore-size distributions are regarded superior to purely empirical models, their Achilles’ heel is the several simplifying assumptions based on which these models are

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34

Ye, Chang, Guangjie Zheng, Yi Tao, et al. "Effect of Soil Texture on Soil Nutrient Status and Rice Nutrient Absorption in Paddy Soils." Agronomy 14, no. 6 (2024): 1339. http://dx.doi.org/10.3390/agronomy14061339.

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Soil texture affects rice nutrient uptake and yield formation by influencing soil structure, microbial activity, and soil nutrient supply capacity. Analyzing the relationship between soil texture, nutrient content, and rice agronomic traits is of great significance for precise and efficient fertilizer application. The tillage layer (0–20 cm) of 31 paddy fields in China’s main rice-producing areas was collected to perform rice pot experiments, and soil texture characteristics, physicochemical properties, microbial-related indicators, and rice agronomic traits were measured and analyzed. The res

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35

Mueller, Thomas C., Philip A. Banks, and William C. Steen. "Microbial Degradation of Flurtamone in Three Georgia Soils." Weed Science 39, no. 2 (1991): 270–74. http://dx.doi.org/10.1017/s0043174500071599.

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Degradation of flurtamone in a Greenville sandy clay loam, a Cecil loam, and a Dothan loamy sand with 0, 1, or 2 yr of previous flurtamone field use was evaluated under controlled conditions. Soil sterilization by autoclaving significantly reduced flurtamone dissipation rate in all soils. Enhanced degradation of flurtamone was observed in a Greenville sandy clay loam after 1 yr of previous flurtamone field use and in a Cecil loam after 2 yr of previous flurtamone field use. No enhancement of flurtamone degradation was observed in a Dothan loamy sand. Flurtamone degradation kinetics in these st

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36

Toleikiene, Monika, Ausra Arlauskiene, Andreas Fliesbach, Rashid Iqbal, Lina Sarunaite, and Zydre Kadziuliene. "The decomposition of standardised organic materials in loam and clay loam arable soils during a non-vegetation period." Soil and Water Research 15, No. 3 (2020): 181–90. http://dx.doi.org/10.17221/31/2019-swr.

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The decomposition of plant organic materials in the soil during the non-vegetation period in a cool temperate climate is associated with nutrient loss and asynchrony in nutrient supply for subsequent crops. Therefore, it is important to select sustainable management tools to regulate the decomposition rate of organic material during the non-vegetation period. The aim of the present study was to assess the influence of soil type (loam vs. clay loam), green manuring (wheat straw vs. wheat straw + red clover), and incorporation depth of organic materials (4–7 vs. 14–17 cm) on mass loss, decomposi

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37

Elsas, J. D. Van, J. T. Trevors, L. S. Van Overbeek, and M. E. Starodub. "Survival of Pseudomonas fluorescens containing plasmids RP4 or pRK2501 and plasmid stability after introduction into two soils of different texture." Canadian Journal of Microbiology 35, no. 10 (1989): 951–59. http://dx.doi.org/10.1139/m89-157.

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Survival of Pseudomonas fluorescens R2f containing either the conjugative plasmid RP4 or the nonconjugative plasmid pRK2501, and stability of the plasmids were studied in two soils, Ede loamy sand and Guelph loam, and in extracts prepared from these soils. In sterile soils, the introduced bacterial populations initially increased and then remained stable over a 47-day period. The presence of wheat roots did not significantly influence bacterial numbers in Guelph loam, whereas a slight increase occurred in Ede loamy sand. In Guelph loam, both plasmids were stably maintained in the introduced po

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38

Schroeder, Jill, and Philip A. Banks. "Persistence and Activity of Norflurazon and Fluridone in Five Georgia Soils Under Controlled Conditions." Weed Science 34, no. 4 (1986): 599–606. http://dx.doi.org/10.1017/s0043174500067515.

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Response of grain sorghum [Sorghum bicolor(L.) Moench. ‘BR 64’] to norflurazon [4-chloro-5-(methylamino)-2-(3-(trifluoromethyl)phenyl)-3(2H)-pyridazinone] and fluridone {1-methyl-3-phenyl-5-[3-(trifluoromethyl) phenyl]-4(1H)pyridinone} and the effect of previous treatment on the persistence of herbicide activity in five soils were determined in the greenhouse. Relative phytotoxicity of fluridone in the soils was ordered as Greenville sandy clay loam > Appling coarse sandy loam > Dothan loamy sand = Rome gravelly clay loam > Bradson clay loam. Phytotoxicity of norflurazon was ordered a

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39

Wang, Haiyan, Ran Chen, Yuefan Sheng, et al. "Impact of Three Soil Textures on the Fungal Community Structure in Rhizosphere Soils of Malus hupehensis Rehd. Seedlings." HortScience 56, no. 5 (2021): 572–78. http://dx.doi.org/10.21273/hortsci15688-21.

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The relationship between soil texture and the degree of apple replant disease (ARD) was analyzed from the perspective of the microbial community structure and diversity within the rhizosphere soil of Malus hupehensis Rehd. seedlings. Three different textured soils were taken from different apple orchards in Laizhou, Yantai. The soils were divided into two parts, one was kept in replanted conditions, and the other was fumigated with methyl bromide to act as a high standard control. The strength of ARD occurrence was examined by measuring fresh and dry weight suppression (%) of the M. hupehensis

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40

Fouli, Ymène, Barbara J. Cade-Menun, and Herb W. Cutforth. "Freeze–thaw cycles and soil water content effects on infiltration rate of three Saskatchewan soils." Canadian Journal of Soil Science 93, no. 4 (2013): 485–96. http://dx.doi.org/10.4141/cjss2012-060.

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Fouli, Y., Cade-Menun, B. J. and Cutforth, H. W. 2013. Freeze–thaw cycles and soil water content effects on infiltration rate of three Saskatchewan soils. Can. J. Soil Sci. 93: 485–496. Many soils at high latitudes or elevations freeze and thaw seasonally. More frequent freeze–thaw cycles (FTCs) may affect ecosystem diversity and productivity because freeze–thaw cycles cause changes in soil physical properties and affect water movement in the landscape. This study examined the effects of FTCs (0, 1, 5, and 10) and antecedent soil water content [at soil water potentials (SWP) −1.5, −0.033 and −

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41

Hamza, M. A., and W. K. Anderson. "Responses of soil properties and grain yields to deep ripping and gypsum application in a compacted loamy sand soil contrasted with a sandy clay loam soil in Western Australia." Australian Journal of Agricultural Research 54, no. 3 (2003): 273. http://dx.doi.org/10.1071/ar02102.

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In the low rainfall, cropping area of Western Australia, massive soil structure due to machinery traffic is common on a range of soil types and is a major obstacle to crop yield improvement. Yield increases on compacted soils have been poor in the last decade compared with those on other soils. An experiment was conducted over 4 years (1997–2000) on a loamy sand soil with massive subsoil structure using a factorial combination of soil ripping to 0.4 m (DR), and application of commercial grade gypsum at 2.5 t/ha (G) to address the soil compaction problem. Complete nutrients, based on soil test

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42

Lemenkov, V., and Polina Lemenkova. "Testing Deformation and Compressive Strength of the Frozen Fine-Grained Soils with Changed Porosity and Density." Journal of Applied Engineering Sciences 11, no. 2 (2021): 113–20. http://dx.doi.org/10.2478/jaes-2021-0015.

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Abstract Current paper focuses on the laboratory experiments performed wit aim to test the deformation in the frozen loam soil specimens. Loam frozen soils are subject to the external effects, such as climate and environmental impacts including temperature changes. Soil heave is one of the key features restraining possible area development: construction of buildings, roads and railways. Necessarily, this requires the improvements of methods of the assessment of heave. This research evaluated the compressive strength and deformation in several specimens of the frozen soil. The approach included

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43

Lemenkov, Vasiliy, and Polina Lemenkova. "Testing Deformation and Compressive Strength of the Frozen Fine-Grained Soils With Changed Porosity and Density." Journal of Applied Engineering Sciences 11, no. 2 (2021): 113–20. https://doi.org/10.5281/zenodo.5764206.

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Current paper focuses on the laboratory experiments performed wit aim to test the deformation in the frozen loam soil specimens. Loam frozen soils are subject to the external effects, such as climate and environmental impacts including temperature changes. Soil heave is one of the key features restraining possible area development: construction of buildings, roads and railways. Necessarily, this requires the improvements of methods of the assessment of heave. This research evaluated the compressive strength and deformation in several specimens of the frozen soil. The approach included varying

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44

Hermawan, Bandi, Pajrina Pajrina, Sumardi Sumardi, and Indra Agustian. "Application of a Dielectric Measurement Technique for Calculating Water Loss from Two Texture-contrasting Soils Grown with Upland Rice." TERRA : Journal of Land Restoration 1, no. 1 (2018): 8–14. http://dx.doi.org/10.31186/terra.1.1.8-14.

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Most of the water loss from the soil profile occurred through the evapotranspiration process especially when the plant covers were under maximum growth periods. This study aimed to apply a technique of measuring a dielectric variable for calculating soil water content and crop water use in the coarse and medium textured soils grown with upland rice. A couple of wires were inserted into the soil repacked in a 10-kg polybag grown with upland rice, the electrical impedance representing the dielectric value was measured using an instrument called the impedance meter. The impedance values were conv

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45

Ilorkar, Vijay, and N. Totey. "Characterization of Soils of Navegaon National Park (Maharashtra)." Indian Journal of Forestry 25, no. 2 (2002): 127–35. http://dx.doi.org/10.54207/bsmps1000-2002-1sl2o2.

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A soil vegetation study was carried out in the Navegaon National Park (Maharashtra). Six soil profiles were excavated under the three plant communities. Physico-chemical and morphological properties of soils were studied and they are classified accordingly. The soils under the plant community Tectona – Pterocarpus – Buchanania are very deep and dark brown to yellowish brown in colour with abundance of silica and iron concretion. These are moderately drained soils with silty loam to loamy in texture. They are classified as loamy, skeletal, mixed hyperthermic family of Typic Ustorthent and Udic

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46

Kinfe, Birhanu, and Thomas F. Peeper. "Persistence of Chlorsulfuron and BAY SMY 1500 in Air Dry Soil at Room Temperature." Weed Technology 7, no. 1 (1993): 29–32. http://dx.doi.org/10.1017/s0890037x00036812.

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Persistence of BAY SMY 1500 and chlorsulfuron during storage for 0 to 6 mo at room temperature in air-dry clay loam soil with pH 7.6 and sandy loam soil with pH 6.6 was determined with conventional wheat bioassay procedures. BAY SMY 1500 had predicted half-lives greater than 6 mo in both soils. Half-lives of chlorsulfuron were 6.0 and 3.2 mo in the clay loam soil and sandy loam soil, respectively.

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47

Kotoula-Syka, Eleni, Ilias G. Eleftherohorinos, Athanasios A. Gagianas, and Achilleas G. Sficas. "Persistence of Preemergence Applications of Chlorsulfuron, Metsulfuron, Triasulfuron, and Tribenuron in Three Soils in Greece." Weed Science 41, no. 2 (1993): 246–50. http://dx.doi.org/10.1017/s004317450007613x.

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A pot bioassay, based on root growth of pregerminated corn, was used to evaluate factors influencing field persistence of chlorsulfuron, metsulfuron, triasulfuron, and tribenuron, which were applied preemergence at 0, 10, 20, and 40 g ai ha−1to wheat grown in three soils that differed in texture (sandy loam, sandy clay loam, and silty clay loam) and pH (7.9, 4.7, and 7.6). Residual activity and leaching of all herbicides in all soils increased with increasing rate of application, with the exception of tribenuron which showed practically no residual activity and leaching in sandy clay loam soil

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48

Osintseva, M. A. "SOIL RESOURCES AND SOIL COVER STRUCTURE KEMEROVO REGION — KUZBASS." Vestnik of Immanuel Kant Baltic Federal University Series Natural and Medical Sciences, no. 3 (2023): 92–105. http://dx.doi.org/10.5922/gikbfu-2023-3-7.

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The Kemerovo Region is situated in the Central deciduous-forest, forest-steppe, and steppe soil-bioclimate regions of the Subboreal temperate soil-bioclimate zone. The researched territory of the Kazachensky motor dumping site, which is within the Taldinsky coal mine, according to the soil-geographic zoning data, is located at the intersection of two soil-geographic districts — Kemerovo-Prokopyevsky and Kuznetsko-Alatausky. On the studied technogenic landscape, identified areas are characterized by the presence of technogenic complexes with young soil formations. On the surface of the dumping

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Roy, Sajal, Rakib Hossain, Md Akhtaruzzaman, and Azizul Hakim. "Saturated hydraulic conductivity of soils in the presence of vermicast: Effects of soil texture and vermicast sizes." Asian Journal of Water, Environment and Pollution 22, no. 1 (2025): 115. https://doi.org/10.36922/ajwep.7526.

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The present experiment was conducted to observe the effects of different size fractions of vermicast on the saturated hydraulic conductivity (Ks) of loam and sandy loam soils. To set up the experiment, loam and sandy loam soils were incorporated with vermicast of different sizes as raw, 1.0 &ndash; 2.0 mm, 0.5 &ndash; 1.0 mm, and <0.5 mm, at 0, 5 t/ha, 10 t/ha, 15 t/ha, and 20 t/ha, which resulted in five different treatments for each soil type. The Ks was determined based on the principle of Darcy&rsquo;s Law by maintaining a constant water head on the top of the soil column. R

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Solodkyy, Serhiy, Volodymyr Hidei, Iurii Sidun, Oleksii Hunyak, and Yurii Turba. "USING WASTEPAPER SLUDGE ASH (WSA) AS A MATERIAL FOR SOIL STRENGTHENING FOR THE CONSTRUCTION OF LAYERS OF PAVEMENT." Theory and Building Practice 2021, no. 1 (2021): 85–91. http://dx.doi.org/10.23939/jtbp2021.01.085.

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The article considers the possibility of using wastepaper sludge ash (WSA) as a soil reinforcement material for the construction of layers of road wear. Loamy sand, sandy loam, silty clay loam, silty clay were chosen as soils for strengthening. The maximum density of the soil skeleton at optimum humidity was established by the method of Proctor. Wastepaper sludge ash and Portland cement grade 400 were used separately for soil strengthening. Six compositions of strengthened soil for each type of soil were investigated according to the strength criterion of water-saturated samples at the age of

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