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Готові списки джерел за темами / Soils Agricultural chemical content / Статті в журналах

Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Soils Agricultural chemical content.

Статті в журналах з теми "Soils Agricultural chemical content"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 31 січня 2023

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1

Orlov, P. M., V. G. Sychov, and N. I. Akanova. "RADIATSIONNYI REGIME OF SOILS OF AGRICULTURAL LANDS OF SIBERIA IN CONDITIONS OF VARIOUS INTENSITY OF CHEMICAL USE AND PROLONGED AFTEREFFECT CHEMICAL RECLAMATION." Innovations and Food Safety, no. 2 (July 2, 2020): 112–18. http://dx.doi.org/10.31677/2311-0651-2019-24-2-112-118.

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Presents the results of radiation monitoring local soils agricultural land in Siberia. At the level of the constituent entities of the Russian Federation appreciated the power of gamma radiation exposure dose (MJeDG), technotronic and content of natural radionuclides in different types of soils in Siberia. Set MJeDG change within 8.0–12.2 mcr/h, 137Cs content in the range of 4.3–9.9 Bq/kg, 90Sr-1.0–5.4 Bq/kg, 226Ra-15–37 Bq/kg, 232Th-16–40 Bq/kg. Comparison with similar parameters obtained, characterizing the radiation situation in soils of agricultural land in Russia. MJeDG, the content of 90

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2

Ishak, Lily, and Philip Hugh Brown. "Soil Microbial Activity and Diversity in Response to Soil Chemical Factors in Agricultural Soils." JOURNAL OF TROPICAL SOILS 24, no. 1 (January 2, 2019): 43. http://dx.doi.org/10.5400/jts.2019.v24i1.43-51.

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The role of microbial communities in maintaining soil health is mostly influenced by chemical condition of soil. Microbial communities vary in response to soil chemical factors. The contradictive results from previous findings emphasise that it is difficult to define a pattern of the influence of soil chemical factors on soil microbial diversity and activity. The aim of the study was to assess soil microbial responses to soil chemical factors in agricultural soils. Composite soil (Dermosol order) samples taken from 16 commercial crop sites in Bundaberg, Queensland, Australia, were chemically a

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3

Akrivos, J., D. Mamais, K. Katsara, and A. Andreadakis. "Agricultural utilisation of lime treated sewage sludge." Water Science and Technology 42, no. 9 (November 1, 2000): 203–10. http://dx.doi.org/10.2166/wst.2000.0207.

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Over one growing season, lime treated dewatered sludge was applied to pot and field cotton cultivation at rates of 0, 10, 20 and 30 t/ha to determine the effects of sludge agricultural reuse on physical and chemical soil properties, on soil and plant heavy metal content and on plant production. In most cases total N and total and soluble P content of the soil increased with addition of sludge. Maximum pH increase caused by addition of lime treated sludge to alkaline soils did not exceed 0.2. Heavy metal content in all plant tissues and soil samples did not increase significantly as a result of

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4

Amouei, Abdoliman, Hourieh Fallah, Hosseinali Asgharnia, Abbas Mousapour, Hadi Parsian, Mahmoud Hajiahmadi, Asieh Khalilpour, and Hajar Tabarinia. "Comparison of heavy metals contamination and ecological risk between soils enriched with compost and chemical fertilizers in the North of Iran and ecological risk assessment." Environmental Health Engineering and Management 7, no. 1 (January 17, 2020): 7–14. http://dx.doi.org/10.34172/ehem.2020.02.

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Background: Nowadays, uncontrolled use of chemical fertilizers in agriculture is one of the reasons for the entry of heavy metals into the environment. In this study, the heavy metals contamination of the soils enriched with compost and chemical fertilizers in the North of Iran and its ecological risk assessment were evaluated. Methods: In this study, 108 soil samples were collected from agricultural soils of some places of Babol in Mazandaran province. An atomic absorption spectrophotometer (PG-990) was used to determine the concentrations of lead, cadmium, and zinc in the soil samples. The a

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5

Hossin, Md Shahin, Alok Kumar Paul, Md Fazlul Hoque, Morsheda Akter Mukta, and Md Delower Hossain. "Estimation of Fertility Status of Coastal Soils for Agricultural Planning in Bangladesh." Haya: The Saudi Journal of Life Sciences 7, no. 5 (May 15, 2022): 142–50. http://dx.doi.org/10.36348/sjls.2022.v07i05.001.

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A study was conducted to know the fertility status of coastal soils of Bangladesh for agricultural planning. Thirty composite soil samples were collected from different locations of Kalapara upazila under Patuakhali coastal district in Bangladesh with Geographic Positioning System (GPS) positions. The soil samples were analyzed for physical properties (moisture, texture, bulk density, particle density and porosity) and chemical properties (pH, electrical conductivity, total nitrogen, organic carbon, exchangeable sodium, exchangeable potassium, available sulphur and available phosphorus). The r

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6

KARA, Zekeriya, Oktay YELMEN, and Hatice ÇOKKIZGIN. "Determination of Some Physical Characteristics of Agricultural Soils of Ceyhan Plain." MAS Journal Of Applied Sciences 7, no. 11 (March 10, 2022): 139–45. http://dx.doi.org/10.52520/masjaps.212.

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In this study, some physico-chemical properties of the agriculturally produced soils in Adana's Ceyhan plain were determined and their relations with each other were tried to be explained. For this purpose, a total of 46 soil samples were taken from the agricultural production areas in the Ceyhan plain. Field capacity, wilting point, available water, hydraulic conductivity and other routine analyzes of the soil samples taken were done in the laboratory. According to the results; The average pH of the soils (7.73) was slightly alkaline, the total lime (19.06%) was very calcareous, and the salt

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7

Bhavsar, Monika S., Monika Naphade, Rajshri Shinde, and Mayuri Deshmukh. "Physico - chemical and micronutrients status of soils of Velhale village Bhusawal tehsil, Jalgaon district Maharashtra, India." INTERNATIONAL JOURNAL OF PLANT SCIENCES 17, no. 1 (January 15, 2022): 1–7. http://dx.doi.org/10.15740/has/ijps/17.1/1-7.

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Soil fertility is the quality of soil to supply nutrients in the proper amount for plant growth without causing toxicity and deficiency. Soil fertility management is highly complex given the myriad of interacting factors that dictate the extent to which farming state farms invest in the fertility of their soils. To achieve precision in farming and to maximize crop production, there should be proper maintenance of soil health and minimize fertilizer mis application One hundred farmers were randomly selected from the Velhale Village Bhusawal Tehsil, Jalgaon district Maharashtra through the Soil

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8

Zawierucha, Elżbieta, Monika Skowrońska, and Marcin Zawierucha. "Chemical and Biological Properties of Agricultural Soils Located along Communication Routes." Agriculture 12, no. 12 (November 24, 2022): 1990. http://dx.doi.org/10.3390/agriculture12121990.

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The aim of the study was to assess the quality of agricultural soils, which accumulate additional amounts of heavy metals from fertilization and modify their bioavailability, with the use of interdependencies between their biological and chemical properties conditioned by the distance from communication routes. Our results indicated that heavy metals had an impact on enzyme activity in soils and their accumulation was significantly related to the distance from the edge of the road, location of sampling sites, date of soil sampling, and years of research. It was found that the greatest amounts

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9

Nadi, M., E. Sedaghati, and G. Füleky. "Characterization of organic matter content of Hungarian agricultural soils." Acta Agronomica Hungarica 60, no. 4 (December 1, 2012): 357–66. http://dx.doi.org/10.1556/aagr.60.2012.4.6.

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Humic substances have proved to be very important fractions in soils, playing a key role especially in agricultural soil and influencing chemical and physical soil properties. Spectroscopic methods are widely used to identify the quality of soil humic substances. In this study, 16 soil samples were selected from the Soil Bank of the Soil Science Laboratory at Szent István University, Gödöllő. The samples were extracted using the Hot Water Percolation (HWP) method and the amount of dissolved organic carbon (DOC) in each fraction was measured. The kinetics of the DOC extraction process with the

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10

Kombienou Pocoun Damè. "Physico-chemical characterization of the soils of the watersheds of Boukombe in North-West Benin." International Journal of Science and Research Archive 1, no. 1 (November 30, 2020): 035–54. http://dx.doi.org/10.30574/ijsra.2020.1.1.0015.

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This study addresses the specificities of soils in low-income countries. These infertile soils are characterized by low levels of agricultural productivity and the disappearance of long-term fallow, which is gradually giving way to shorter-term fallow and sedentary agriculture. The overall objective was to assess the physico-chemical characteristics of the soils of the Boukombe watersheds in the north-west of Atacora in Benin. Soil studies of 15 farm sites from which soils were sampled at the [0-20] cm horizon with 30 composite samples and statistical analyzes were performed. The results of pa

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11

Silva, Jefferson Ferreira da, Stephany Diolino Cunha, Henyo Alves Rodrigues Dias, Matheus Da Silva Araújo, Ednaldo Cândido Rocha, Márcio Da Silva Araújo, and Adilson Pelá. "Boron Dynamics in Agricultural Soils of the Cerrado: Study on Sources, Doses and Leaching." Journal of Agricultural Studies 9, no. 2 (May 24, 2021): 488. http://dx.doi.org/10.5296/jas.v9i2.18581.

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The objectives of this study were: to evaluate the leaching potential of B in a Latossolo Vermelho-Amarelo (Oxisol) as a function of sources and doses of this micronutrient; among the sources tested (boric acid, ulexite and the commercial source H2 Boro), to determine the one with the lowest leaching potential; to evaluate leaching losses at different doses in each soil layer evaluated; and to identify chemical and physical variables of soils that influence B leaching. For that, two experiments were conducted in a greenhouse. The first one tested B leaching in the soil, with the three sources

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12

Mustaqimah, Devianti, AA Munawar, Ferijal, and Sufardi. "Chemical Characteristics of Dryland Soils from Aceh Besar Regency As A Fertilizer Design Reference." IOP Conference Series: Earth and Environmental Science 1116, no. 1 (December 1, 2022): 012057. http://dx.doi.org/10.1088/1755-1315/1116/1/012057.

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Abstract Although the potential for dry agricultural land in Aceh Besar Regency is very wide, but the development of existing food crops is still low. There is a few information about the quality of soil chemical content in dry agricultural land effect to the development of crop productions. This study aims to provide information on the characteristics of soil chemical elements, Nitrogen, Phosphorus and Potassium on agricultural lands in Aceh Besar regency in the form of a map. This study was conducted using the analysis of variant tests method and spatial analysis. It covered some types of da

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13

Rodríguez-Berbel, Natalia, Rocío Soria, Ana B. Villafuerte, Raúl Ortega, and Isabel Miralles. "Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions." Agronomy 13, no. 1 (December 27, 2022): 86. http://dx.doi.org/10.3390/agronomy13010086.

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The restoration of unproductive abandoned agricultural soils under a semi-arid climate in southeastern Spain was evaluated. Four organic amendments from different composted wastes (greenhouse crop residues; worm compost from sheep–cow manure and plant remains; chicken manure; and sheep–chicken manure and plant remain) were applied, untreated control plots were installed, and natural unexploited soils were selected as a reference ecosystem. Through three sampling campaigns (initial, 3 months, and 12 months), significant changes were observed in soil physico-chemical properties, nutrient content

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14

Elchininova, O. A., O. V. Kuznetsova, A. N. Soyonova, and G. V. Chichinova. "Physical-chemical and water-physical properties of agricultural soils on inter-mountain hollows of Mountain Altai." Plant Biology and Horticulture: theory, innovation, no. 150 (September 30, 2019): 137–46. http://dx.doi.org/10.36305/2019-1-150-137-146.

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The purpose of the research is the study the basic physical,chemical and water-physical properties of soils of high and medium mountain basins of the Altai mountains under different types of agricultural use (arable land, hayfields, pasture). The main features of chestnut and light chestnut soils of high-mountain basins, dark chestnut soils and common chernozem of mid-mountain basins are established. These are a light granulometric composition with a high content of coarse soil, a sharp decrease of humus content and cation exchange capacity down the profile, slightly alkaline reaction of mediu

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15

Dmitrievtseva, N., O. Veremchuk, S. Pilipaka, and O. Hryshchenko. "Characteristics of humus content on different soil types of Zdolbuniv district of Rivne Region." Agroecological journal, no. 2 (September 14, 2022): 139–46. http://dx.doi.org/10.33730/2077-4893.2.2022.263329.

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The dynamics of changes in the humus state of the soils of Zdolbuniv district during the V–XI rounds of agrochemical survey were analyzed. The state of biologization of agriculture, in particular the plowing of siderates, the introduction of straw and manure and the use of peat over the last 8 years in the studied area, is highlighted. Mandatory biologization of agriculture, taking into account the biological features of each crop, in particular, plant needs for nutrients, indicators of potential and effective soil fertility, its physical and chemical properties, assortment and chemistry of fe

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16

Dolgopolova, N. V., E. A. Batrachenko, and E. V. Malysheva. "Content of individual micro- and macroelements in different types of soils of the Central Black Soil region." IOP Conference Series: Earth and Environmental Science 954, no. 1 (January 1, 2022): 012023. http://dx.doi.org/10.1088/1755-1315/954/1/012023.

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Abstract The purpose of fundamental research in agricultural ecology is to solve complex problem of the establishment of patterns of mass transfer in agricultural systems and regulation of these processes in agricultural soil use. The chemical composition of soil is the result of soil-forming processes. The characteristics of the soil-forming material play decisive role. The investigation of the content of macro- and microelements in soils of different types has been quite relevant in recent decades due to their large physiological role in the life of plants and animals and the active transfor

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17

Gerzabek, M. H., F. Strebl, M. Tulipan, and S. Schwarz. "Quantification of organic carbon pools for Austria’s agricultural soils using a soil information system." Canadian Journal of Soil Science 85, Special Issue (September 1, 2005): 491–98. http://dx.doi.org/10.4141/s04-083.

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Within the framework of the project “Austrian Carbon Balance Model”, we estimated soil organic carbon (OC) content for the agricultural land of Austria. The basic chemical and physical data were obtained from the national electronic soil information system BORIS (Boden Rechnergestütztes Informtions System). The latter data were obtained through soil surveys performed over the past 10 yr. The BORIS data were corrected for soil gravel content, bulk densities and differences in chemical analytical methods used for soil OC. Our estimation also showed the following ranking for soil OC content (0–50

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18

Razanov, S., V. Melnyk, B. Nazaruk, and M. Kutsenko. "Assessment of agro-ecological composition of gray forest soils under the different agricultural use." Balanced nature using, no. 1 (July 30, 2021): 146–53. http://dx.doi.org/10.33730/2310-4678.1.2021.231901.

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The article presents the results of the agroecological composition of soils for different agricultural uses. Under modern conditions of increasing intensification of agricultural production, the agroecological condition of soils is deteriorating, which increases the risk of obtaining low–quality products. Along with this, there are various problems, such as loss of soil fertility, increased erosion, groundwater pollution and environmental pollution in general. Therefore, there is a need for constant monitoring of agroecological indicators of the soil in the conditions of intensive agriculture

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19

Gałązka, Anna, Jacek Niedźwiecki, Jarosław Grządziel, and Karolina Gawryjołek. "Evaluation of Changes in Glomalin-Related Soil Proteins (GRSP) Content, Microbial Diversity and Physical Properties Depending on the Type of Soil as the Important Biotic Determinants of Soil Quality." Agronomy 10, no. 9 (August 29, 2020): 1279. http://dx.doi.org/10.3390/agronomy10091279.

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The aim of the study was to evaluate the changes in glomalin-related soil proteins (GRSP) content, microbial diversity and soil physical quality depending on the type of soil measures of soil improvement and changes in soil health. The study was based on a 100-year stationary field microplot experiment where the soil profiles were collected with preserving the natural soil horizons. The microplot experiment was carried out on eight different soil types: Brunic Arenosol (Dystric I), Rendzic Leptosol, Fluvic Cambisol, Haplic Cambisol (Eutric), Gleyic Phaeozem, Brunic Arenosol (Dystric II), Hapli

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20

Watkar, Amita M. "Physico-Chemical Properties of Soil Collected from Chandrabhaga River in Kalmeshwar, Nagpur, Maharashtra." Journal of Advanced Research in Alternative Energy, Environment and Ecology 07, no. 02 (June 19, 2020): 1–3. http://dx.doi.org/10.24321/2455.3093.202006.

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Soil, itself means Soul of Infinite Life. Soil is the naturally occurring unconsolidated or loose covering on the earth’s surface. Physical properties depend upon the amount, size, shape, arrangement, and mineral composition of soil particles. It also depends on the organic matter content and pore spaces. Chemical properties depend on the Inorganic and organic matter present in the soil. Soils are the essential components of the environment and foundation resources for nearly all types of land use, besides being the most important component of sustainable agriculture. Therefore, assessment of

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21

Péterfalvi, Nóra, Boglárka Keller, and Marianna Magyar. "PM10 emission from crop production and agricultural soils." Agrokémia és Talajtan 67, no. 1 (June 2018): 143–59. http://dx.doi.org/10.1556/0088.2018.67.1.10.

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The emission of particulate matter from agricultural sources is a worldwide environmental issue due to health concerns. The main factors influencing PM10 emission from crop production are the origin of particles, the physical and chemical properties of soils, meteorological conditions, and the mechanical impacts of farm operations. Several studies have been made to determine PM10 emission factors for tillage operations, but these emission factors varied depending on soil properties, especially soil texture and water content, and environmental conditions (e.g. relative humidity, and variability

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22

Devianti, Devianti, Zulfahrizal Zulfahrizal, Sufardi Sufardi, and Agus Arip Munawar. "Fast And Simultaneous Prediction Of Agricultural Soil Nutrients Content Using Infrared Spectroscopy." Rona Teknik Pertanian 12, no. 1 (April 1, 2019): 61–66. http://dx.doi.org/10.17969/rtp.v12i1.11656.

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Abstract. The functions soil depends on the balances of its structure, nutrients composition as well as other chemical and physical properties. Conventional methods, used to determine nutrients content on agricultural soil were time consuming, complicated sample processing and destructive in nature. Near infrared reflectance spectroscopy (NIRS) has become one of the most promising and used non-destructive methods of analysis in many field areas including in soil science. The main aim of this present study is to apply NIRS in predicting nutrients content of soils in form of total nitrogen (N).

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23

Geraskin, Mikhail Mikhailovich, Zhanna Nikolaevna Bakanova, Vasily Ivanovich Kargin, Natalia Nikolaevna Ivanova, and Nikolay Nikolaevich Neyaskin. "Accounting of heavy metals in agricultural land use." BIO Web of Conferences 52 (2022): 00029. http://dx.doi.org/10.1051/bioconf/20225200029.

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People use many chemicals in their economic activities, which leads to the fact that they become involved in a cycle of anthropogenic transformations of the environment. It was proved that microelements and heavy metals are the most toxic among pollutants. Microelements in the arable layer of the soil depend on the type of soils, their location and content in soil-forming rocks. The studies revealed that the content of heavy metals in the soil in all cases is lower than the APC (MPC). The products obtained in the test areas are safe in relation to the content of heavy metals. Adaptive landscap

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24

Almeida, Waldiane Araújo de, Sebastião Elviro de Araújo Neto, Thays Lemos Uchôa, Luís Gustavo de Souza e. Souza, Nilciléia Mendes Da Silva, Regina Lúcia Felix Ferreira, and Denis Borges Tomio. "Chemical soil and leaf properties in yellow passion fruit cultivation with organic fertilization." Comunicata Scientiae 11 (June 3, 2020): e3342. http://dx.doi.org/10.14295/cs.v11i0.3342.

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The yellow passion fruit presents a high nutritional demand, and successive cultivations in the same area lead the soil to nutritional exhaustion, creating the need for restitution through fertilizers. In the context of organic managements, alternatives must be sought, which, besides improving soil fertility, can increase the contents of soil organic matter. Therefore, this work aimed to evaluate the effect of organic basal fertilization in passion fruit cultivation on the chemical properties of the soil and nutrient contents of the plant. Two experiments were performed in two rural properties

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25

Soldatova, Evgeniya, Yihui Dong, Jiale Li, and Zhanxue Sun. "Nitrogen behavior in the shallow groundwater–soil system within agricultural landscapes." E3S Web of Conferences 98 (2019): 01046. http://dx.doi.org/10.1051/e3sconf/20199801046.

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The research is devoted to the analysis of the changes in the chemical composition of shallow groundwater within the agricultural landscapes of the Poyang Lake area taking into account the peculiarities of soil composition. The analysis is based on field data collected during 2011–2017 by the sampling of the shallow groundwater from the private and public wells and adjoining soils. Correlations between the content of the N-compounds and the Eh values in autumn as well as a relationship of the NH4+ concentration with the DOC content reflect the processes of the organic matter transformation in

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26

Matoso, Stella Cristiani Gonçalves, Paulo Guilherme Salvador Wadt, Valdomiro Severino de Souza Júnior, Xosé Lois Otero Pérez, and Fábio Plotegher. "Variation in the properties of biochars produced by mixing agricultural residues and mineral soils for agricultural application." Waste Management & Research: The Journal for a Sustainable Circular Economy 38, no. 9 (June 27, 2020): 978–86. http://dx.doi.org/10.1177/0734242x20935180.

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The research and application of biochars enriched with minerals have increased in recent years; however, the mineral fraction used consists of specific minerals, such as clay minerals and synthesized compounds. In this work, the effects of adding two specific soil types (sandy and clayey) to rice and coffee husks in order to generate biochars via pyrolysis was investigated. Chemical, physical–chemical, thermal, spectroscopic and crystallographic analyses were conducted on the produced biochars. The study confirmed that the presence of mineral soils during the pyrolysis process increases the yi

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27

Dudhaiya, Aashvi, Fatima Haque, Hugo Fantucci, and Rafael M. Santos. "Characterization of Physically Fractionated Wollastonite-Amended Agricultural Soils." Minerals 9, no. 10 (October 16, 2019): 635. http://dx.doi.org/10.3390/min9100635.

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Wollastonite is a natural silicate mineral that can be used as an agricultural soil amendment. Once in the soil, this mineral undergoes weathering and carbonation reactions, and, under certain soil and field crop conditions, our previous work has shown that this practice leads to accumulation of inorganic carbon (calcium carbonate). Mineral carbonation is the carbon sequestration approach with the greatest potential for sequestration capacity and permanency. Agricultural lands offer vast areas onto which such minerals can be applied, while benefiting crops. This work illustrates a technique to

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28

Tahmoures, Mohammad, Afshin Honarbakhsh, Sayed Fakhreddin Afzali, Mostafa Abotaleb, Ben Ingram, and Yaser Ostovari. "Fractal Features of Soil Particles as an Indicator of Land Degradation under Different Types of Land Use at the Watershed Scale in Southern Iran." Land 11, no. 11 (November 20, 2022): 2093. http://dx.doi.org/10.3390/land11112093.

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Soil particle-size distribution (PSD) is an important soil feature that is associated with soil erosion, soil fertility, and soil physical and chemical properties. However, very few studies have been carried out to investigate soil degradation using the fractal dimension (D) of the PSD of soils from different land-use types in the calcareous soil of Iran. For this study, 120 soil samples (0–20 cm) were collected from different land-use types in the Fars Province, and various basic soil properties such as soil organic matter (SOM), soil texture fractions, calcium carbonate (CaCO3), pH, and cati

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29

Tonkha, O., O. Bukova, O. Pikovska, I. Fedosiy, O. Menshov, and A. Shepel. "SILICON CONTENT, PHYSICAL AND CHEMICAL PROPERTIES OF SOILS OF THE KHMELNYTSKY REGION OF UKRAINE." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 3 (90) (2020): 85–90. http://dx.doi.org/10.17721/1728-2713.90.12.

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Silicon plays the significant role in the growth and development of plants, their resistance to stress conditions. However, there is limited research on the content of various forms of silicon in soils, the relationship with soil cations, which is particularly relevant in the context of intensive agriculture and climate aridization in Ukraine. The purpose of the present study was to determine the content of silicon compounds of different mobility in the arable soils of the Khmelnytsky region, the spatial variation of these parameters, and to detect the dependence between the content of silicon

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Clough, A., and J. O. Skjemstad. "Physical and chemical protection of soil organic carbon in three agricultural soils with different contents of calcium carbonate." Soil Research 38, no. 5 (2000): 1005. http://dx.doi.org/10.1071/sr99102.

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The amount of organic carbon physically protected by entrapment within aggregates and through polyvalent cation–organic matter bridging was determined on non-calcareous and calcareous soils. The composition of organic carbon in whole soils and <53 m soil fractions was determined by 13C NMR analysis. High energy photo-oxidation was carried out on <53 m fractions and results from the NMR spectra showed 17–40% of organic carbon was in a condensed aromatic form, most likely charcoal (char). The concept that organic material remaining after photo-oxidation may be physically protected within a

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31

Neagu, Anisoara-Arleziana, Alina Soceanu, and Semaghiul Birghila. "Analysis of Soils Parameters in Correlation with Vegetation Period." Revista de Chimie 71, no. 9 (September 5, 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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Vittori Antisari, Livia, Maria Speranza, Chiara Ferronato, Mauro De Feudis, Gilmo Vianello, and Gloria Falsone. "Assessment of Water Quality and Soil Salinity in the Agricultural Coastal Plain (Ravenna, North Italy)." Minerals 10, no. 4 (April 20, 2020): 369. http://dx.doi.org/10.3390/min10040369.

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To improve knowledge on salt leaching suitability on different soils, in Arenosols and Cambisols croplands in the coastal area of Ravenna (Italy), soil samples were collected in the non-irrigation winter period and irrigation summer period. Concurrently, waters of the canal network were also investigated. Soil samples were analyzed for pH, carbonate, total organic carbon (TOC), particle size distribution, electrical conductivity (EC), bulk density (BD) and water content at field capacity (FC). Water samples were investigated for pH, EC, biological and chemical oxygen demand, sodium adsorption

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Ende, J. van den. "Estimating the chemical composition of the soil solution of glasshouse soil. 2. Relationships between the compositions of soil solution and aqueous extracts." Netherlands Journal of Agricultural Science 37, no. 4 (December 1, 1989): 323–34. http://dx.doi.org/10.18174/njas.v37i4.16617.

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The possibilities of estimating ECs and K, Na, Ca, Mg, NO3, Cl and SO4 contents of press extracts of glasshouse soils from corresponding analytical data of saturation extracts or 1:5 by-weight extracts were examined through construction of regression equations. The analytical data of saturation and 1:5 by-weight extracts were and were not corrected by multiplication with dilution factors, these being the ratios between the water contents of the soils employed to obtain the extracts and the water contents of the soils at field capacity. The dilution factors used were not derived from actual wat

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Lapa, V. V., A. V. Pilipuk, G. V. Gusakov та Ja N. Brechko. "National system of soil fertility management of the Republic of Belarus: current state and development prospects. Vestsі Natsyyanal’nay akademіі navuk Belarusі". Proceedings of the National Academy of Sciences of Belarus. Agrarian Series 59, № 3 (5 серпня 2021): 292–303. http://dx.doi.org/10.29235/1817-7204-2021-59-3-292-303.

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Анотація:

The paper presents a comprehensive study on development of soil fertility management system in the Republic of Belarus. The history of development, as well as the modern scheme of functioning of services for agro-chemical and radiological examination of soils of agricultural lands has been studied in detail, including the sources of their financing, services provided, the list of provided consolidated analytical materials as a result, etc. Special attention is paid to the republican databank of agro-chemical and radiation indicators of agricultural soil, which, through automated information sy

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Hilman, Yusdar, Anuar Abdul Rahim, Mohamed Hanafi Musa, and Azizah Hashim. "PRINCIPAL COMPONENT ANALYSIS OF FACTORS DETERMINING PHOSPHATE ROCK DISSOLUTION ON ACID SOILS." Indonesian Journal of Agricultural Science 8, no. 1 (October 25, 2016): 10. http://dx.doi.org/10.21082/ijas.v8n1.2007.10-16.

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Many of the agricultural soils in Indonesia are acidic and low in both total and available phosphorus which severely limits their potential for crops production. These problems can be corrected by application of chemical fertilizers. However, these fertilizers are expensive, and cheaper alternatives such as phosphate rock (PR) have been considered. Several soil factors may influence the dissolution of PR in soils, including both chemical and physical properties. The study aimed to identify PR dissolution factors and evaluate their relative magnitude. The experiment was conducted in Soil Chemic

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Hilman, Yusdar, Anuar Abdul Rahim, Mohamed Hanafi Musa, and Azizah Hashim. "PRINCIPAL COMPONENT ANALYSIS OF FACTORS DETERMINING PHOSPHATE ROCK DISSOLUTION ON ACID SOILS." Indonesian Journal of Agricultural Science 8, no. 1 (October 25, 2016): 10. http://dx.doi.org/10.21082/ijas.v8n1.2007.p10-16.

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Анотація:

Many of the agricultural soils in Indonesia are acidic and low in both total and available phosphorus which severely limits their potential for crops production. These problems can be corrected by application of chemical fertilizers. However, these fertilizers are expensive, and cheaper alternatives such as phosphate rock (PR) have been considered. Several soil factors may influence the dissolution of PR in soils, including both chemical and physical properties. The study aimed to identify PR dissolution factors and evaluate their relative magnitude. The experiment was conducted in Soil Chemic

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Jacomino, Vanusa Maria Feliciano, Kerley Alberto Pereira de Oliveira, Maria Helena Tirollo Taddei, Maria Célia Siqueira, Maria Eleonora Deschamps Pires Carneiro, Marcos Roberto Lopes Nascimento, David Faria da Silva, and Jaime Wilson Vargas de Mello. "Radionuclides and heavy metal contents in phosphogypsum samples in comparison to cerrado soils." Revista Brasileira de Ciência do Solo 33, no. 5 (October 2009): 1481–88. http://dx.doi.org/10.1590/s0100-06832009000500038.

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Phosphogysum (PG) or agricultural gypsum, a solid waste from the phosphate fertilizer industry, is used as soil amendment, especially on soils in the Cerrado region, in Brazil. This material may however contain natural radionuclides and metals which can be transferred to soils, plants and water sources. This paper presents and discusses the results of physical and chemical analyses that characterized samples of PG and compares them to the results found in two typical soils of the Cerrado, a clayey and sandy one. These analyses included: solid waste classification, evaluation of organic matter

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Leah, Tamara. "Current humus state of soils in conditions of intensive degradation processes in Moldova." Visnyk of the Lviv University. Series Geography, no. 44 (November 28, 2013): 196–204. http://dx.doi.org/10.30970/vgg.2013.44.1224.

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The paper contains the research results on the evolution of humus content in the arable soils of the Republic of Moldova during 1961–2010. The current humus state of arable soils caused of the agricultural long period of utilization. Studies carried out in Moldova, more than 140 years ago, found that chernozem contained about 5–6 % of humus. In subsequent years, the natural fertility of the soil of Moldova has been declining. In the present the humus content reached the level of 3.1 % on average for the whole agricultural area. As a result of over 140 years from the original natural soil ferti

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Escudey, Mauricio, Pamela de la Fuente, Mónica Antilén, and Mauricio Molina. "Effect of ash from forest fires on phosphorus availability, transport, chemical forms, and content in volcanic soils." Environmental Chemistry 7, no. 1 (2010): 103. http://dx.doi.org/10.1071/en09067.

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Анотація:

Environmental context. Intensive fertilisation and the availability of phosphorus species (less than 10%) in cultivable soils of volcanic origin are causing the accumulation of P in these soils. Phosphorus is a macronutrient that severely limits good agricultural development, so knowledge of the distribution and the different forms of P present in soils is fundamental for sustainable agricultural practice. This novel study reports the existence of increased available P in all the soils that received a load of plant ash from different tree species. Abstract. The effect associated with the distr

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Tóth, T., J. Tomáš, P. Lazor, D. Bajčan, and K. Jomová. "The Transfer of Heavy Metals from Contaminated Soils into Agricultural Plants in High Tatras Region." Czech Journal of Food Sciences 27, Special Issue 1 (June 24, 2009): S390—S393. http://dx.doi.org/10.17221/600-cjfs.

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The problems of soil hygiene and contents of the following heavy metals: cadmium, cobalt and nickel in the productive parts of plants in the location of Agricultural Cooperative Štrba in Poprad County were discussed in the presented work. Above-mentioned location is found in the neighbourhood with a chemical factory Chemosvit Svit. The achieved results show that the soil hygiene in this region is mainly affected by the activity of this chemical factory. This factory is producing many risky substances and their results can be seen in the condition of soil hygiene and in the quality of farmed pl

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Yang, Jiayue, Hui Wei, Jiaen Zhang, Zhaoji Shi, Hongru Li, Yanqiong Ye, and Ahmed Ibrahim Abdo. "Land Use and Soil Type Exert Strongly Interactive Impacts on the pH Buffering Capacity of Acidic Soils in South China." Sustainability 14, no. 19 (October 9, 2022): 12891. http://dx.doi.org/10.3390/su141912891.

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Soil acidification is a severe environmental problem around the world. Soil pH buffering capacity (pHBC) is the intrinsic factor affecting the soil acidification rate and is intensively impacted by anthropogenic and natural conditions. However, composite assessments of the effects of land use and soil type on soil pHBC are still limited. Therefore, we collected samples of five soil types (red soil, lateritic red soil, latosol, paddy soil and acid sulphate soil) from two land use patterns of agricultural and adjacent forest fields at different depths (0–10 cm, 10–20 cm and 20–30 cm) in South Ch

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42

Leite, Olavo da Costa, Saulo de Oliveira lima, João Henrique Silva da Luz, Rubens Ribeiro da Silva, Rodrigo Ribeiro Fidelis, Rodrigo de Castro Tavares, Juliana Barilli, and Ângela Franciely Machado. "Liming in soils with plinthic materials of the Brazilian Savanna: potentials and limitations." April 2022, no. 16(04):2022 (April 1, 2022): 488–94. http://dx.doi.org/10.21475/ajcs.22.16.04.p3438.

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The expansion of agriculture has been taking place in marginal soils with low productive potential, such as Plinthosols. The liming can increase the economic and environmental sustainability of agriculture. However, there are no studies on the dissolution or recommendation of limestone for Plinthosols. The objective was to evaluate the effect of limestone doses on the chemical attributes of three soils with different gravel contents (ironstone concretions). The soils were collected (0-20 cm layer) in native areas of the central region of the Brazilian Savanna. They were classified as Red-Yello

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Egbuche, Christian Toochi, Su Zhiyao, Azubuike N. O, I. E. Duruanyim, Marcellin Robertson, Duru I. C., and Okoi U. Ina Jnr. "Integrated Forest Management Systems: Evaluation of forest soil properties for Environmental Quality and Agricultural Productivity." EARTH SCIENCES AND HUMAN CONSTRUCTIONS 2 (April 26, 2022): 89–110. http://dx.doi.org/10.37394/232024.2022.2.13.

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Soil physical and chemical properties do affect forests (plant) growth and soil management systems. Some key and important physical and chemical properties of soil are mineral content, texture, cation exchange capacity, bulk density, structure, porosity, organic matter content, carbon-to-ni- trogen ratio, color, depth, fertility, and pH. Sustainable forest management and soil quality parameters may include such terrestrial functions as carbon sequestration, land use management, erosion control, plant productivity and a soil’s capacity to produce biomass. Sustainable forest management consisten

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Egbuche, Christian Toochi, Su Zhiyao, Azubuike N. O, I. E. Duruanyim, Marcellin Robertson, Duru I. C., and Okoi U. Ina Jnr. "Integrated Forest Management Systems: Evaluation of forest soil properties for Environmental Quality and Agricultural Productivity." EARTH SCIENCES AND HUMAN CONSTRUCTIONS 2 (April 26, 2022): 89–110. http://dx.doi.org/10.37394/232024.2022.2.13.

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Анотація:

Soil physical and chemical properties do affect forests (plant) growth and soil management systems. Some key and important physical and chemical properties of soil are mineral content, texture, cation exchange capacity, bulk density, structure, porosity, organic matter content, carbon-to-ni- trogen ratio, color, depth, fertility, and pH. Sustainable forest management and soil quality parameters may include such terrestrial functions as carbon sequestration, land use management, erosion control, plant productivity and a soil’s capacity to produce biomass. Sustainable forest management consisten

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45

Trigub, Valentіna I., Victoriia V. Yavorska, Ihor V. Hevko, and Andriy A. Kyrylchuk. "Agroecological assessment of fluorine in soils and agricultural plants of steppe landscapes of Odessa region." Journal of Geology, Geography and Geoecology 29, no. 4 (December 28, 2020): 805–16. http://dx.doi.org/10.15421/112073.

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The materials of long-term research of the features of the content and distribution of fluorine in southern chernozems are highlighted. The purpose of this work is to investigate the effects of irrigation and chemical meliorants on the fluorine accumulation in soils and crops. To achieve this goal, the following tasks were set: to determine the content of fluorine in soils and plants in conditions of irrigation and application of phosphorus fertilizers (phosphogypsum); to carry out ecological assessment of southern chernozems in terms of accumulation and migration of fluorine in soil, plant re

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Abakumov, Evgeny, Evgeniya Morgun, Alexandr Pechkin, and Vyacheslav Polyakov. "Abandoned agricultural soils from the central part of the Yamal region of Russia: morphology, diversity, and chemical properties." Open Agriculture 5, no. 1 (March 26, 2020): 94–106. http://dx.doi.org/10.1515/opag-2020-0010.

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AbstractThe post-anthropogenic and soil cover transformations of former agricultural soils on the abandoned lands in the Russian Arctic territory are poorly investigated due to the active growth of the city complexes and increasing area occupied by agricultural lands. That is lead to an increase in the area of the arable lands surrounding the polar urbanized territories. Today, most of that land allocated for agricultural needs has been abandoned or affected by other types of land use. This study aimed to investigate the abandoned lands surrounding some of the settlements in the central part o

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Tomakov, Vladimir, and Maxim Tomakov. "Features of Heavy Metal Contamination of Agricultural Soils in the Kursk Region of Russia and Economic Assessment of Restoration." SHS Web of Conferences 110 (2021): 01022. http://dx.doi.org/10.1051/shsconf/202111001022.

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Kursk region of Russia has unique fertile soils. Heavy metals are among the factors that pollute the soil. The article is devoted to the study of the spatial distribution of heavy metals in soils. The relevance of the study is that the value of the soil is determined by its value for obtaining environmentally friendly agricultural products. Data on the content of heavy metals in the soil can prevent intensive cultivation of crops. The task of the work is to identify heavy metals that predominate in the soils of various landscapes of the Kursk region. The assessment of soil contamination with c

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Zhang, Ting, Bo Wu, Na Sun, Yong Ye, and Huaixia Chen. "Sorption and degradation of wastewater-associated pharmaceuticals and personal care products in agricultural soils and sediment." Water Science and Technology 68, no. 5 (September 1, 2013): 991–98. http://dx.doi.org/10.2166/wst.2013.326.

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Pharmaceuticals and personal care products (PPCPs) have drawn popular concerns recently as an emerging class of aquatic contaminants. In this study, adsorption and degradation of four selected PPCPs, metronidazole, tinidazole, caffeine and chloramphenicol, have been investigated in the laboratory using two agricultural soils in China and sediment from Changjiang River. Adsorption tests using a batch equilibrium method demonstrated that adsorption of all tested chemicals in soils could be well described with Freundlich equation, and their adsorption affinity on soil followed the order of chlora

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Sheel, PR, MAH Chowdhury, M. Ali, and MA Mahamud. "Physico-chemical characterization of some selected soil series of Mymensingh and Jamalpur districts of Bangladesh." Journal of the Bangladesh Agricultural University 13, no. 2 (July 20, 2016): 197–206. http://dx.doi.org/10.3329/jbau.v13i2.28780.

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Анотація:

The soil physico-chemical properties have been disturbed due to long continued intensive agricultural practices. Under this situation we are approaching rapidly to a very strong future challenge in sustaining the quality of our soil. This study was conducted to evaluate the physico-chemical properties of the selected soil series. The area covered Mymensingh and Jamalpur districts of Bangladesh. Soil samples were collected randomly from different profiles of Lokdeo, Tarakanda, Silmondi and Melandah soil series during March-May, 2014 and analysed. All soils were acidic and textural classes were

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Lichner, Ľubomír, Massimo Iovino, Peter Šurda, Viliam Nagy, Anton Zvala, Jozef Kollár, Jozef Pecho, Vladimír Píš, Nasrollah Sepehrnia, and Renáta Sándor. "Impact of secondary succession in abandoned fields on some properties of acidic sandy soils." Journal of Hydrology and Hydromechanics 68, no. 1 (March 1, 2020): 12–18. http://dx.doi.org/10.2478/johh-2019-0028.

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AbstractAbandonment of agricultural lands in recent decades is occurring mainly in Europe, North America and Oceania, and changing the fate of landscapes as the ecosystem recovers during fallow stage. The objective of this study was to find the impact of secondary succession in abandoned fields on some parameters of acidic sandy soils in the Borská nížina lowland (southwestern Slovakia). We investigated soil chemical (pH and soil organic carbon content), hydrophysical (water sorptivity, and hydraulic conductivity), and water repellency (water drop penetration time, water repellency cessation t

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