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Journal articles on the topic 'Organic matter'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Zhang, Futao, Yunfa Qiao, Xiaozeng Han, and Bin Zhang. "Variation of soil organic matter depends on light-fraction organic matter under long-term monocropping of different crops." Plant, Soil and Environment 67, No. 10 (2021): 588–99. http://dx.doi.org/10.17221/350/2021-pse.

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Cultivating crops influences soil organic matter (SOM), but the effect of different crops remains unclear, particularly under long-term monocropping. The objective of this study was to identify how different crops influence the content and chemical structures of SOM under long-term monocropping. Here, soils were sampled (0–20 cm) under 27-year soybean and maize monocropping and separated into different physical fractions. The content and chemical structures of SOM in all fractions were determined. SOM contents were higher under soybean than maize in bulk soil and macroaggregates and their ligh

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2

Al Namazi, Mohammed, Sheng Li, Noreddine Ghaffour, TorOve Leiknes, and Gary Amy. "A Fouling Comparison Study of Algal, Bacterial and Humic Organic Matters in Seawater Desalination Pretreatment Using Ceramic UF Membranes." Membranes 13, no. 2 (2023): 234. http://dx.doi.org/10.3390/membranes13020234.

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This study investigates three types of organic matter, namely algal organic matter (AOM), bacterial organic matter (BOM), and humic organic matter (HOM). These organics are different in properties and chemical composition. AOM, BOM and HOM were compared in terms of organic content, fouling behavior, and removal efficiency in ceramic UF filtration. UF experiments were conducted at a constant flux mode using 5 kDa and 50 kDa ceramic membranes. Results showed that 5 kDa membrane removed more transparent exopolymer particles (TEP)/organics than 50 kDa membranes, but less fouling formation for all

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3

Balík, Jiří, Ondřej Sedlář, Martin Kulhánek, Jindřich Černý, Michaela Smatanová, and Pavel Suran. "Effect of organic fertilisers on glomalin content and soil organic matter quality." Plant, Soil and Environment 66, No. 11 (2020): 590–97. http://dx.doi.org/10.17221/385/2020-pse.

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Glomalin is one of the factors with an important role at forming and stabilising soil aggregates. Long-term stationary experiments were carried out to observe the influence of various fertilisation treatments on the content of glomalin in topsoil. The content of easily extractable glomalin (EEG) and total glomalin (TG) were determined. Moreover, glomalin was also determined by using the near-infrared reflectance spectroscopy (G<sub>NIRS</sub>). Both mineral and organic fertilisation significantly increased the content of glomalin compared to the unfertilised control. However, obser

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4

Yang, Xiaoyan, Chuandong Zhang, Haiping Gu, Xiangwei Chen, and Erhui Guo. "Organic acids promote phosphorus release from Mollisols with different organic matter contents." Soil and Water Research 16, No. 1 (2020): 59–66. http://dx.doi.org/10.17221/140/2019-swr.

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Organic acids could improve the phosphorus (P) availability through enhancing the release of inorganic phosphorus (P<sub>i</sub>) in the soil. However, the effects of organic acids on the P<sub>i</sub> release are still poorly understood, especially from soils with different organic matter contents. Here, a biochemically produced humic acid and P fertiliser were added to the soil to modify the content of the soil organic matter (SOM) and soil P, respectively. And then the soil samples were incubated at 25 °C for 30 days. The release of P<sub>i</sub> fraction

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5

Šimon, T. "The influence of long-term organic and mineral fertilization on soil organic matter." Soil and Water Research 3, No. 2 (2008): 41–51. http://dx.doi.org/10.17221/21/2008-swr.

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Parameters evaluating soil organic matter quantity (organic C and N content) and quality (hot water extractable C content, aliphatic compounds, microbial biomass C content, basal respiration activity) were determined in soils differently fertilized (NPK &ndash; mineral fertilization 64.6 kg N/ha/year, FYM &ndash; farmyard manure 38.6 kg N/ha/year, FYM + NPK &ndash; 103.3 kg N/ha/year) in long-term field experiment established in 1955 in Prague. Variant without any fertilization was used as a control. Nine years crop rotation (45% cereals, 33% root crops, 22% fodder crops) is practi

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6

Bretschko, G., and M. Leichtfried. "The determination of organic matter in river sediments." Veröffentlichungen der Arbeitsgemeinschaft Donauforschung 7, no. 3-4 (1987): 403–17. http://dx.doi.org/10.1127/lr/7/1987/403.

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7

Irham, Muhammad, Saidatul Adhla, and Chitra Octavina. "Analisis kimia sedimen di sekitar ekosistem mangrove desa Lambadeuk, Peukan Bada, Aceh Besar." Depik 9, no. 1 (2020): 1–7. http://dx.doi.org/10.13170/depik.9.1.15163.

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Abstract. Research on analysis of sediments chemistry around the mangrove ecosystem of Lambadeuk village, Peukan Bada Subdistrict aimed to the analyze nutrient content of sediments around mangrove ecosystem which grows in Lambadeuk, Aceh Besar. The study was conducted in April 2018 - May 2019. Research stations were determined by using purposive random sampling method then sediment samples were taken by coring technic. The results of the analysis showed that there are two types of sediments; muddy sand and sandy mud type of sediment. Sandy mud sediment has higher organic matter than muddy sand

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8

Maslukah, Lilik, Elis Indrayanti, and Azis Rifai. "Sebaran Material Organik dan Zat Hara Oleh Arus Pasang Surut di Muara Sungai Demaan, Jepara (The Distribution of Organic Matter and Nutrients by Tidal Current at Demaan Estuary, Jepara)." ILMU KELAUTAN: Indonesian Journal of Marine Sciences 19, no. 4 (2015): 189. http://dx.doi.org/10.14710/ik.ijms.19.4.189-194.

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Arus pasang surut di muara sungai dapat mempengaruhi penyebaran material organik dan zat hara. Keberadaan material organik dan zat hara di perairan dapat menentukan kualitas suatu perairan. Kandungan material organik dan zat hara dalam jumlah berlebihan dapat menyebabkan terjadinya eutrofikasi pada badan air dan menyebabkan kandungan oksigen di perairan menjadi rendah. Penelitian ini bertujuan untuk melihat sebaran material organik, nitrat dan fosfat oleh pengaruh arus pasang surut. Penelitian dilakukan di muara Sungai Demaan, Jepara. Penentuan konsentrasi material organik dalam contoh air lau

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9

Laskri, Nabila, Oualid Hamdaoui, and Nawel Nedjah. "Anaerobic Digestion of Waste Organic Matter and Biogas Production." Journal of Clean Energy Technologies 3, no. 3 (2015): 181–84. http://dx.doi.org/10.7763/jocet.2015.v3.192.

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10

Feichtinger, F., E. Erhart, and W. Hartl. "Net N-mineralisation related to soil organic matter pools." Plant, Soil and Environment 50, No. 6 (2011): 273–76. http://dx.doi.org/10.17221/4032-pse.

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Soil organic matter and its turnover rate are key parameters for agricultural management practice as well as for environmental issues. In a field experiment comparing organic (compost) and mineral fertilisation and combinations of both the amount of inorganic nitrogen in the soil and the nitrogen uptake by the plants were measured. Considering these data and the fertilisation practice the net N-mineralisation during the vegetation periods 1996&ndash;2001 was estimated for six fertilisation treatments. Simultaneously the nitrogen dynamics in the soil were calculated using the STOTRASIM mode

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11

Son, H. J., Y. D. Hwang, J. S. Roh, et al. "Application of MIEX® pre-treatment for ultrafiltration membrane process for NOM removal and fouling reduction." Water Supply 5, no. 5 (2005): 15–24. http://dx.doi.org/10.2166/ws.2005.0034.

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In this study, pretreatment of organic matters with MIEX® was evaluated using bench-scale experimental procedures on three organic matters to determine its effect on subsequent UF or MF membrane filtration. For comparison, a coagulation process was also used as a pretreatment of UF or MF membrane filtration. Moreover, the membrane fouling potential was identified using different fractions and molecular weights (MW) of organic matter. From the removal property of MW organic matter by the coagulation process for the sample water NOM and AOM, the removal efficiencies of high MW organic matter wer

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12

Lee, J. Y., S. R. Ha, I. H. Park, S. C. Lee, and J. H. Cho. "Characteristics of DOC concentration with storm density flows in a stratified dam reservoir." Water Science and Technology 62, no. 11 (2010): 2467–76. http://dx.doi.org/10.2166/wst.2010.537.

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Among natural organic matter (NOM) defined as the complex matrix of organic materials abundant in natural waters, a gradual accumulation of recalcitrant organic matter (ROM) has been observed in impounded water bodies such as a lake or dam reservoir in spite of extensive efforts made to curtail organic pollutant loadings generated in their catchment areas. This paper aims to identify the effect of diffuse pollution resulting from allochthonous organic matters on the temporal and spatial characteristics of organic matters in a stratified dam reservoir, Daecheong Dam, using both intensive observ

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13

Khoirunnisak, Afifatul, Hasanathul Jannah, Mochtar Lutfi Rayes, and Sugeng Prijono. "Organic matter application on subsoil improves soil organic matter, soil aggregate stability and porosity in coffee plantations." IOP Conference Series: Earth and Environmental Science 1466, no. 1 (2025): 012004. https://doi.org/10.1088/1755-1315/1466/1/012004.

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Abstract The cultivation of coffee in dry land, especially in Sumbermanjing Wetan, faces the challenge of low soil organic matter, which affects water availability. Water stress is observed during dry season, marked by yellowing and shedding leaves, as roots are only active in the topsoil. Therefore, optimizing root function to reach the subsoil is essential, one approach being the implementation of biopore infiltration technology. The objectives of this research were to study the impact of apllying organic matters in subsoil on i) soil organic matter content, ii) soil aggregate quality, and i

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14

Lu, Yan Jun. "Characteristics of Municipal Solid Waste Composting and Determination of Composting Maturation." Advanced Materials Research 671-674 (March 2013): 2644–47. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.2644.

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The characteristics of thermophilic aerobic composting process for municipal solid waste were studied. The changes of pH and organic matter content, the infrared spectra of organic matter before and after composting, the development of humification, and the toxicity for the seed were investigated. The results indicated that: the pH quickly increased and then decreased, stabilized in the neutral range; organic matter degradation occurred mainly in the first 30 days of high temperature rapid composting stage, indicating the high temperature phase played the main role in the organic matter degrad

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15

Kolář, L., M. Maršálek, J. Frelich, et al. "Changes in methane release from organic matter passing through the digestive tract of horses." Czech Journal of Animal Science 54, No. 3 (2009): 112–20. http://dx.doi.org/10.17221/1677-cjas.

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Using the tests of methanogenic activity (TMA) changes in methane yield (Y<sub>CH4</sub>) and anaerobic degradability (D<sub>c</sub>) of organic matter of feeds and excrements were studied in an experimental group of six horses while complete analytical methods were applied (N-compound matters, proteins, non-protein N-compound matters, fat, nitrogen-free extract, ash, crude fibre, organic matter, NDF, ADF, hemicelluloses, cellulose, lignin and chemical oxygen demand COD) and the material balance was determined. The horses utilised 48.8% of organic matter of feeds in dry

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16

Kholodov, V. A., V. A. Ivanov, Ju R. Farkhodov, N. A. Safronova, Z. S. Artemyeva, and N. V. Jaroslavceva. "The Optical Characteristics of Aggregates Organic Matter Fractions in Typical Chernozems." Dokuchaev Soil Bulletin, no. 90 (September 1, 2017): 56–72. http://dx.doi.org/10.19047/0136-1694-2017-90-56-72.

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The consumption specters of organic matter fractions in ultraviolet and visible parts of specter (UV-visible specters) were investigated. The specters of soluted organic matter, as well as labile humic matters and humic matters itselves, which were extracted from small, medium and large aggregates from typical chernozems of long-term experiments were investigated. The samples of undisturbed chernozems, which are annually collected in the annually hayed steppe and from the chernozem with extreme organic matter degradation, were used (variant of long-termed experiment - irreplaceable black fallo

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17

Hill, Alan R., and Angela M. Brooks. "Coarse particulate organic matter inputs to a headwater swamp stream." Archiv für Hydrobiologie 137, no. 1 (1996): 25–38. http://dx.doi.org/10.1127/archiv-hydrobiol/137/1996/25.

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18

Vlček, Vítězslav, and Miroslav Pohanka. "Glomalin – an interesting protein part of the soil organic matter." Soil and Water Research 15, No. 2 (2020): 67–74. http://dx.doi.org/10.17221/29/2019-swr.

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The negative effects of the current agricultural practices include erosion, acidification, loss of soil organic matter (dehumification), loss of soil structure, soil contamination by risky elements, reduction of biological diversity and land use for non-agricultural purposes. All these effects are a huge risk to the further development of soil quality from an agronomic point of view and its resilience to projected climate change. Organic matter has a crucial role in it. Relatively significant correlations with the quality or the health of soil parameters and the soil organic matter or some fra

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19

Kolář, L., S. Kužel, J. Horáček, V. Čechová, J. Borová-Batt, and J. Peterka. "Labile fractions of soil organic matter, their quantity and quality." Plant, Soil and Environment 55, No. 6 (2009): 245–51. http://dx.doi.org/10.17221/87/2009-pse.

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The objective of the present paper is to contribute to the evaluation of quantity and quality of non-humified part of soil organic matter (SOM). In samples of soil organic matter from the humus profile of Šumava forest soils and forest meadows, taxonomically designated as mor and moder forms, the fractions of labile soil carbon C<sub>cws</sub>, C<sub>hws</sub>, C<sub>PM</sub> and fraction of stable carbon represented by carbon of humus acids C<sub>HA</sub> and C<sub>FA</sub> were determined. Organic matter of samples was fractionated

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20

Wissel, Björn, and Brian Fry. "Sources of Particulate Organic Matter in the Mississippi River, USA." Large Rivers 15, no. 1-4 (2003): 105–18. http://dx.doi.org/10.1127/lr/15/2003/105.

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21

Maulana, Dick Dick, and Suli Suswana. "The Organic Fertilizers Residuals and Earthworm Introduction on Growth and Yield of Upland Rice." Agrotechnology Research Journal 2, no. 2 (2018): 63. http://dx.doi.org/10.20961/agrotechresj.v2i2.24726.

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<p>In modern agriculture, over use of inorganik fertilizers causes dangerous effects on environment, human health and loss of soil fertility. Soil organic matter is a main indicator of the quality and healthy soils. Organic matter mineralization is a key process that releasing the available nutrients to the plants. There are many organisms involved in the mineralization processes. Earthworm enable to digest soil organik matters, and the excretion’s have more available nutrients content, that potential to increase nutrients absorption. This research intended to study influences of organic

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22

Oades, JM. "Krasnozems - organic-matter." Soil Research 33, no. 1 (1995): 43. http://dx.doi.org/10.1071/sr9950043.

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Virgin krasnozems contain about 6% C from 0-15 cm and, while the C content is less at depth, the total C reserves may exceed 200 t ha(-1) to about Im depth. Highest organic matter contents occur where the annual rainfall is 1500 � 200 mm. At higher rainfalls, the C contents are less. There is a negative correlation between organic C and N content and mean annual temperature. Krasnozems contain more C than other soils in the same climate and are comparatively more fertile. Correlations of C contents with clay contents are confounded by the contents of free iron oxides. While data are fragmented

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23

CHESHIRE, M. V. "Soil Organic Matter." Soil Science 144, no. 4 (1987): 304–5. http://dx.doi.org/10.1097/00010694-198710000-00011.

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24

EGEBERG, P. "Natural organic matter." Environment International 25, no. 2-3 (1999): 143–44. http://dx.doi.org/10.1016/s0160-4120(98)00120-2.

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25

Li, Chao, Ping’an Peng, Guoying Sheng, and Jiamo Fu. "Precambrian organic matter." Chinese Science Bulletin 45, no. 4 (2000): 295–304. http://dx.doi.org/10.1007/bf02909757.

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26

Warsa, Andri, and Lismining Pujiyani Astuti. "Estimasi Beban Cemar dan Laju Dekomposisi Bahan Organik di Waduk Ir. H. Djuanda, Jawa Barat." Jurnal Teknologi Lingkungan 21, no. 1 (2020): 86–94. http://dx.doi.org/10.29122/jtl.v21i1.3345.

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ABSTRACTIr. H. Djuanda or Jatiluhur reservoir as a multifunction water body with one of utilization as fish cultivation activity. Uneaten feed and fish excretion were organic matter sources. The number of floating net cages was increasing and it caused increasing in organic matter load. The objective of the research was to known organic matter load and decomposition rate (k) and BOD (Biochemical oxygen demand) ultimate (Lo) at Jatiluhur Reservoir. The research was done in February and August 2018 at three locations were Astap, Pasir Canar and Pulau Aki. The result of the research shown was org

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27

Wang, Yong, Jie Nian Jie, Zhi Yong Li, et al. "Study on Mechanism of Removing the Organic Matter in Heavy Oil Sewage by the Electric Flocculation Method." Advanced Materials Research 535-537 (June 2012): 2201–8. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.2201.

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Oily sewage is one of the wastes produced in the oil industry production process and its quantity has been increasing year by year, which influences the environment and human health severely. Electric flocculation method is one of the wide application electrochemical treatment technologies for the oily wastewater treatment at home and abroad, which has higher efficiency than other technologies at the aspect of the organic pollutants degradation. A simulative experiment device dealing with heavy oil sewage by the electric flocculation method has been designed in this paper. The mechanism of the

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28

Cao, Qian, Ke Jiang, Zhentao Wen, Xingzhi Wang, Minghui Qi, and Zhongshan Yin. "Characteristics of Organic Matter Pores and the Relationship with Current Pressure System of Lower Silurian Longmaxi Shales in Dingshan Field, Southern Sichuan, China." Geofluids 2021 (October 8, 2021): 1–15. http://dx.doi.org/10.1155/2021/9967479.

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Organic matter pores (OMP) provide significant storage space for hydrocarbons in lower Silurian Longmaxi shales in the Dingshan field of southern Sichuan, China. The distributions of organic matter and the different OMP structure parameters were characterized through Ar-ion polishing, scanning electron microscopy (SEM), and image analysis software for shale samples of different wells. The research results indicated that organic matter has been divided into two categories based on its occurrence, location, and its relationship with authigenic minerals: organic matter in situ and migrated organi

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29

Roelofs, G. J. "A GCM study of organic matter in marine aerosol and its potential contribution to cloud drop activation." Atmospheric Chemistry and Physics Discussions 7, no. 2 (2007): 5675–700. http://dx.doi.org/10.5194/acpd-7-5675-2007.

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Abstract. With the global aerosol-climate model ECHAM5-HAM we investigate the potential influence of organic aerosol originating from the ocean on aerosol mass and chemical composition and the droplet concentration and size of marine clouds. We present sensitivity simulations in which the uptake of organic matter in the marine aerosol is prescribed for each aerosol mode with varying organic mass and mixing state, and with a geographical distribution and seasonality similar to the oceanic emission of dimethyl sulfide. Measurements of aerosol mass and chemical composition serve to evaluate the r

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30

Roelofs, G. J. "A GCM study of organic matter in marine aerosol and its potential contribution to cloud drop activation." Atmospheric Chemistry and Physics 8, no. 3 (2008): 709–19. http://dx.doi.org/10.5194/acp-8-709-2008.

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Abstract. With the global aerosol-climate model ECHAM5-HAM we investigate the potential influence of organic aerosol originating from the ocean on aerosol mass and chemical composition and the droplet concentration and size of marine clouds. We present sensitivity simulations in which the uptake of organic matter in the marine aerosol is prescribed for each aerosol mode with varying organic mass and mixing state, and with a geographical distribution and seasonality similar to the oceanic emission of dimethyl sulfide. Measurements of aerosol mass, aerosol chemical composition and cloud drop eff

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31

Li, Danyang, Jinpei Yan, Zhiqiang Lu, Tianshu Chu, Jun Li та Tajen Chu. "Use of δ13C and δ15N as Indicators to Evaluate the Influence of Sewage on Organic Matter in the Zhangjiang Mangrove–Estuary Ecosystem, Southeastern China". Water 15, № 20 (2023): 3660. http://dx.doi.org/10.3390/w15203660.

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Organic matter in the productive mangrove–estuary ecosystem plays an important role in global climate changes. In recent years, the eutrophication in such areas caused by anthropogenic inputs of sewage has been revealed, highlighting the need to understand its influence on organic matter. In this study, δ13C and δ15N were used to reveal the effects of sewage on organic matters in the Zhangjiang mangrove–estuary ecosystem. Our results indicate that sewage contributed the most of the total particulate organic matter (41%) in the Zhangjiang estuary, while mangrove plants contributed most of the s

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32

Hamawi, Mahmudah, and Enik Akhiriana. "Karakterisasi POC (Pupuk Organik Cair) Berbasis Limbah Dapur Dari Universitas Darussalam Gontor Kampus Putri." Jurnal Agrinika : Jurnal Agroteknologi dan Agribisnis 6, no. 1 (2022): 109. http://dx.doi.org/10.30737/agrinika.v6i1.1987.

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Kitchen waste, either the organic or the inorganic ones, accumulated on landfills causes environmental and health problems. Composting is an alternative that reduces environmental problems while producing Liquid Organic Fertilizers (LOF). This research was aimed to examine the LOF character made of organic kitchen waste from Darussalam Gontor University, Girls Campus. The research was conducted by composting 10 kg of kitchen waste (comprised of banana peel, rotten watermelon, and vegetable waste), 20 liters of rice washing water, 10 kg of eggshell, 1 kg of sugar, 1 liter of EM4 (decomposing mi

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33

Hamawi, Mahmudah, and Enik Akhiriana. "Karakterisasi POC (Pupuk Organik Cair) Berbasis Limbah Dapur Dari Universitas Darussalam Gontor Kampus Putri." Jurnal Agrinika : Jurnal Agroteknologi dan Agribisnis 6, no. 1 (2022): 109. http://dx.doi.org/10.30737/agrinika.v6i1.1987.

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Kitchen waste, either the organic or the inorganic ones, accumulated on landfills causes environmental and health problems. Composting is an alternative that reduces environmental problems while producing Liquid Organic Fertilizers (LOF). This research was aimed to examine the LOF character made of organic kitchen waste from Darussalam Gontor University, Girls Campus. The research was conducted by composting 10 kg of kitchen waste (comprised of banana peel, rotten watermelon, and vegetable waste), 20 liters of rice washing water, 10 kg of eggshell, 1 kg of sugar, 1 liter of EM4 (decomposing mi

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34

Hanjaya, Rayen, Sri Yulina Wulandari, Muh Yusuf, and Muhammad Zainuri. "Sebaran Bahan Organik dan Total Padatan Suspensi di Muara Sungai Loji, Kota Pekalongan." Buletin Oseanografi Marina 13, no. 2 (2024): 230–38. http://dx.doi.org/10.14710/buloma.v13i2.60171.

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Kota Pekalongan merupakan salah satu kota yang identik dengan wilayah pesisirnya karena terletak di bagian utara Pulau Jawa. Penduduk dan aktivitas yang padat membuat saluran irigasi dan sungai menjadi tempat pembuangan limbah, seperti limbah domestik, industri, dan limbah berbahaya (B3). Salah satu tempat yang terdampak adalah Sungai Loji, Kota Pekalongan. Penelitian ini bertujuan untuk mengetahui sebaran konsentrasi bahan organik dan padatan tersuspensi total (TSS) serta mengkaji keterkaitan bahan organik dengan TSS pada saat pasang menuju surut. Pengambilan sampel dilapangan dilaksanakan pa

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35

Ladislav, Kolář, Ledvina Rostislav, Kužel Stanislav, and Štindl František Klimeš and Pavel. "Soil Organic Matter and its Stability in Aerobic and Anaerobic Conditions." Soil and Water Research 1, No. 2 (2013): 57–64. http://dx.doi.org/10.17221/6506-swr.

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In eight samples of organic and organomineral surface horizons we studied the stability of soil organic matter in aerobic and anaerobic conditions expressed by the rate constant of its biochemical oxidation, total biochemical oxygen demand, substrate production of methane and degradability in anaerobic conditions. In the eight very different samples no relationship was found between aerobic and anaerobic stability of their organic matter; nor was the expected relationship between total biochemical oxygen demand and &ldquo;active carbon&rdquo; Chws proved. Methods of determination are d

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36

Indrayani, Indrayani, Harapin Hafid, and Dian Agustina. "KECERNAAN IN VITRO SILASE SAMPAH SAYUR DAN DAUN GAMAL MENGGUNAKAN MIKROORGANISME RUMEN KAMBING." Jurnal Ilmu dan Teknologi Peternakan Tropis 2, no. 3 (2015): 17. http://dx.doi.org/10.33772/jitro.v2i3.3808.

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ABSTRACTThis study aims to determine the digestibility of dry matter and organic matter level waste silage mixed vegetables and Gliricidia leaves were tested in vitro. This study used a completely randomized design with 3 treatments and 3 replications. Each of these treatments is R0 (Gliricidia leaves 100%), R1 (Gliricidia leaves 70% + 30% silage vegetable waste), and R2 (Gliricidia leaves 40% + 60% silage vegetable waste). Data were analyzed using analysis of variance (ANOVA) and further testing using the test Honestly Significant Difference (HSD). The results of ANOVA showed that the mixture

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37

Ivanov, A. L., B. M. Kogut, V. M. Semenov, M. Turina Oberlander, and N. Waksman Schanbacher. "The Development of Theory on Humus and Soil Organic Matter: from Turin and Waksman to Present Days." Dokuchaev Soil Bulletin, no. 90 (September 1, 2017): 3–38. http://dx.doi.org/10.19047/0136-1694-2017-90-3-38.

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He special merits of Z.A. Waksman and I.V. Turin are marked in the development of soil humus and organic matter theory. Little-known pages ex vivo of these outstanding experimentalist scientists, founders of two schools and acknowledged leaders in the investigation of the soil organic matter, are presented in the article. A comparative analysis of theories by I.V. Turin and Z.A. Waksman on the origins, composition and properties of the soil organic matter is given. Actual conceptions, ways and methods of the organic matter fractioning are described in the work. The alternative points of view o

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MF, Qayyum, D. Steffens, Reisenauer HP, and S. Schubert. "Biochars influence differential distribution and chemical composition of soil organic matter." Plant, Soil and Environment 60, No. 8 (2014): 337–43. http://dx.doi.org/10.17221/768/2013-pse.

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In the present study, three soils (Ferralsol, Luvisol topsoil, and Luvisol subsoil) were amended with biochars (charcoal, hydrothermal carbonization coal (HTC) of bark, and low-temperature conversion coal of sewage sludge), wheat straw and a control (no amendment) and incubated over a period of 365 days. Each amendment was applied at a rate of 11.29 g C/kg soil. After incubation, the soils were analyzed to retrieve three density fractions (free fraction (FF), intra-aggregate fraction (IAF), and heavy fraction) which were analyzed for total carbon (TC) contents and scanned by fourier transform

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Kolář, L., S. Kužel, J. Peterka, P. Štindl, and V. Plát. "Agrochemical value of organic matter of fermenter wastes in biogas production." Plant, Soil and Environment 54, No. 8 (2008): 321–28. http://dx.doi.org/10.17221/412-pse.

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We performed 28-day mesophilic fermentation of a mixture of pig slurry and primary (raw) sludge from the sedimentation stage of a wastewater treatment plant at a 1:1 ratio. The components and the original and fermented mixture of slurry and sludge were subjected to acid hydrolysis. Dry matter of the solid phase of both components and both mixtures was incubated with sandy-loamy Cambisol at a weight ratio 3:1 at 25°C for 20 weeks; in 14-day intervals lipids, crude protein, hemicelluloses, cellulose, lignin, total nitrogen and hot-water-insoluble solids were determined. Changes in ion-exchange a

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Medvedev, Pavel, Mikhail Philippov, Alexander Romashkin, and Norbert Vávra. "Primary organic matter and lithofacies of siliceous shungite rocks from Karelia." Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 2001, no. 11 (2001): 641–58. http://dx.doi.org/10.1127/njgpm/2001/2001/641.

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Chrost, Ryszard J., Ryszarda Wcislo, and Grazyna Z. Halemejko. "Enzymatic decomposition of organic matter by bacteria in an eutrophic lake." Archiv für Hydrobiologie 107, no. 2 (1986): 145–65. http://dx.doi.org/10.1127/archiv-hydrobiol/107/1986/145.

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Hejzlar, J., P. Dolejš, J. Komárková, J. Sed′a, K. Šimek, and V. Vyhnálek. "Effect of biomanipulation on the structuring of the planktonic food web and water treatability by coagulation." Water Science and Technology 37, no. 2 (1998): 105–12. http://dx.doi.org/10.2166/wst.1998.0116.

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The impact of planktivorous fish on the plankton community structure and character of aquatic organic matter was studied by a meso-scale enclosure experiment in a stratified reservoir. Aims of the study were (i) to examine the response of the communities with and without herbivorous zooplankton to an increased input of phosphorus and (ii) to determine the composition and coagulation properties of the organic matter produced by these communities. The concentration and composition of organic matter were affected both in the enclosure with planktivorous fish (F), where high algal biomass develope

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Paul, Niladri, Jayeeta Chakraborty, Dipankar Saha, Rajib Ranjan Chakraborty, and Saradindu Das. "Stages of Organic Matter Addition vs. N Transformation in Soil." JOURNAL OF ADVANCES IN BIOTECHNOLOGY 3, no. 2 (2013): 183–86. http://dx.doi.org/10.24297/jbt.v3i2.5036.

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FYM and mustard cake, the two variable source of organic matter, were used as amendments and N sources in a typic ustifluvent soil. Organic matters were added at two modes i.e 21 daysâ€™ before and on the day of actual start of the experiment. Inorganic N as urea was added as treatment material. Results of the experiment reveal that comparatively higher amount of inorganic N was accumulated in soil incubated at 21 days compared to soils amended with organic matter upto 90 days period. Compared to the sources of organic matters, it was observed that the amount of inorganic N was recorded much h

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Zulfakri, Zulfakri, Yusrizal Yusrizal, Angga Defrian, and Muhammad Nasir. "Perubahan Sifat Fisika Dan Kimia Tanah Pada Lahan Kering Akibat Perlakuan Bahan Organik dan Kapur Dolomit." Rona Teknik Pertanian 14, no. 2 (2021): 19–30. http://dx.doi.org/10.17969/rtp.v14i2.23159.

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Abstrak. Penelitian ini dilaksanakan untuk mengetahui perubahan sifat fisika dan kimia tanah pada lahan kering akibat perlakuan bahan organik dan kapur dolomit. Metode yang digunakan adalah rancangan acak kelompok (RAK) faktorial dengan 2 (dua) faktor yang terdiri dari kapur dolomit pada taraf 0 ton/ha, 0,8 ton/ha dan 1,6 ton/ha, dan bahan organik pada taraf 0 ton/ha, 6 ton/ha dan 12 ton/ha dengan 3 (tiga) kali pengulangan. Hasil dari penelitian ini menunjukkan bahwa pada perlakuan bahan organik mampu memperbaiki sifat fisika dan kimia tanah dimana stabilitas agregat, porositas total, C-organi

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A'la, Nurul, Didy Rachmadi, and Yunasri Usman. "Evaluasi Nilai Kecernaan Bahan Kering dan Bahan Organik Amoniasi Ampas Sereh Wangi (cymbopogon nardus) pada Domba Ekor Tipis Jantan." Jurnal Ilmiah Mahasiswa Pertanian 5, no. 1 (2020): 256–64. http://dx.doi.org/10.17969/jimfp.v5i1.13768.

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Abstrak. Penelitian evaluasi nilai kecernaan bahan kering dan bahan organik amoniasi ampas sereh wangi (Cymbopogon nardus) pada domba ekor tipis jantan, dilakukan dengan metode eksperimen menggunakan Rancangan Bujur Sangkar Latin (RBSL) 4 perlakuan dan 4 ulangan. Perlakuan A adalah tanpa adanya substitusi limbah sereh wangi amoniasi (0%), B substitusi limbah sereh wangi amoniasi (10%), C substitusi limbah sereh wangi amoniasi (20%) dan D substitusi limbah sereh wangi amoniasi (30%). Parameter yang diamati meli konsumsi pakan, kecernaan bahan kering dan kecernaan bahan organik. Hasil menunjukka

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Batten, David J. "Sedimentary organic matter. Organic facies and palynofacies." Marine and Petroleum Geology 13, no. 5 (1996): 595–96. http://dx.doi.org/10.1016/0264-8172(96)88335-8.

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Largeau, C., and J. W. De Leeuw. "Sedimentary organic matter: Organic facies and palynofacies." Organic Geochemistry 23, no. 10 (1995): 995–96. http://dx.doi.org/10.1016/0146-6380(95)90073-x.

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Qayoom, Nadeem. "EFFECT OF ORGANIC MATTER ON COMPACTION CHARACTERISTICS OF SOILS: A REVIEW." International Research Journal of Engineering And Technology (IRJET) 7, no. 8 (2020): 4942–47. https://doi.org/10.5281/zenodo.13827304.

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An organic matter has in fact natural origin but its interaction with soil poses a different situation altering the properties both physical as well as chemical of the latter. Its main use is regarding agriculture where it is used to improve fertility of the soil by increasing the macro-nutrient content in the same. Though many studies have been conducted on the effect of organic matter on geo-technical properties of soil but still the conclusion differs much and there is need to further the study in order to have clear understanding of the effect of different organic matters on the soil. This

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Zhang, Feng, Shuai Li, Chang Qing Liu, Xing Sheng Kang, and Yan Li. "The Component and Characteristic Analysis of Organic Matters in Inflow Water of one Wastewater Treatment Plant in Qingdao." Advanced Materials Research 518-523 (May 2012): 2886–90. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2886.

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The concentration of soluble inert organics and the mass distribution of organic matter in inflow wastewater of one wastewater treatment plant (WWTP) in Qingdao city in China were studied in this paper. The results showed that the concentration of soluble inert organics in the influent which cannot be degraded by microbe was about 20 mg/L, accounts for 2%～5% of all dissolved organic matter. The small organic molecules (<1 ku) took up the largest proportion of all organics in influent, which was about 40% of dissolved organic carbon (DOC). Moreover, the residual organic molecules after biolo

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Yulianti, Titiek, Cece Suhara, and Nurul Hidayah. "Pengaruh Inkubasi Bahan Organik yang Diperkaya dengan Mimba Terhadap Keparahan Penyakit Rebah Kecambah." Buletin Tanaman Tembakau, Serat & Minyak Industri 4, no. 2 (2016): 68. http://dx.doi.org/10.21082/bultas.v4n2.2012.68-75.

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<p>Penyakit rebah kecambah yang disebabkan oleh Rhizoctonia solani Kühn merupakan salah satu penyakit me-rugikan pada tanaman kapas. Jamur ini dapat bertahan sebagai saprofit di tanah dengan bahan organik se-bagai sumber energinya, sehingga keberadaan bahan organik terkadang dapat meningkatkan populasi R. solani meskipun aktivitas mikroba di sekitarnya juga meningkat. Namun penambahan bahan organik yang mengan-dung senyawa fungisidal seperti mimba diharapkan mampu menekan populasi R. solani. Penelitian ini ber-tujuan mengevaluasi pengaruh inkubasi bahan organik yang berasal dari pupuk ka

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