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What are organic acids in soils focus on fulvic , humic and sulfuric acids?

Alicyclic compound

Carboxylic acid

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Fulvic acids (FAs), humic acids (HAs), and sulfuric acids are essential components of soil organic matter. FAs are characterized by a lower molecular weight with a high amount of lignin-like compounds, while HAs exhibit a higher weighted aliphatic-aromatic structure. On the other hand, sulfuric acids are not specifically discussed in the provided contexts. FAs are known for their ellipsoidal shape due to long aliphatic chains, whereas HAs and humins (HNs) have a more spherical shape caused by higher intermolecular forces. The molecular structures of FAs, HAs, and HNs differ significantly, with HNs showing a strong condensed structure associated with the highest molecular weight. These organic acids play crucial roles in soil health, composition, and nutrient availability for plants .

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Open access•DOI Alicyclic and Aromatic Carboxylic Acids in Soil Organic Matter: An Investigation of Potential Origin and Association with Plutonium Using Advanced Analytical Techniques Nicole DiDonato 01 Jan 2017 1 Citations	Not addressed in the paper.
Open access•Dissertation What are humic substances? : a molecular approach to the study of organic matter in acid soils Derck Ferdinand Werner Naafs 04 Mar 2004 30 Citations	Not addressed in the paper.
Open access Transformation of humic acids of buried soils Liya Bagautdinova, A. G. Ryumin, Irina Kechaykina, S. N. Chukov - Show less +3 more 25 May 2012 3 Citations	The research paper focuses on humic acids, not sulfuric acids. It discusses the transformation of humic acids in buried soils, highlighting their stability and changes in composition over time.
Open access•Journal Article•DOI Characterization of Soil Organic Matter Individual Fractions (Fulvic Acids, Humic Acids, and Humins) by Spectroscopic and Electrochemical Techniques in Agricultural Soils Aleksandra Ukalska-Jaruga, Romualda Bejger, Guillaume Debaene, Bożena Smreczak - Show less +3 more 26 May 2021-Agronomy 14 Citations	Fulvic acids (FAs) and humic acids (HAs) are organic acids found in soils, with FAs having lower molecular weight and more lignin-like compounds, while HAs exhibit a higher aliphatic-aromatic structure.
Open access•Journal Article•DOI A toxicological evaluation of a fulvic and humic acids preparation Timothy S. Murbach, Róbert Glávits, John R. Endres, Amy E. Clewell, Gábor Hirka, Adél Vértesi, Erzsébet Béres, Ilona Pasics Szakonyiné - Show less +7 more 01 Jan 2020-Toxicology reports 21 Citations	Not addressed in the paper.

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Why soil organic matter is important?4 answersSoil organic matter (SOM) is important for several reasons. Firstly, it plays a crucial role in storing carbon and mitigating climate change. Increasing SOM can help reduce greenhouse gas emissions and improve soil fertility. Secondly, SOM improves nutrient availability to plants by affecting the solubility of essential nutrients such as phosphorus, iron, and copper. Additionally, SOM can detoxify harmful substances in the soil, including toxic heavy metals and organic pollutants. Moreover, SOM contributes to the maintenance of soil structure and texture, which is essential for water infiltration, root growth, and erosion prevention. It also supports microbial diversity in the soil, which is important for nutrient cycling and disease suppression. Overall, the preservation and accrual of SOM are vital for sustainable food production and the prevention of a climate crisis.

What is humic acids?5 answersHumic acids are complex organic molecules that exist naturally in soil, brown coal, peat, and water. They are formed during the decomposition and transformation of organic matter, such as animal and plant remains. Humic acids have numerous phenolic and carboxyl groups and their derivatives, which give them different properties such as solubility in water and absorption of cations or mycotoxins. They have positive effects on plant growth and can be used in combination with NPK fertilizers to enhance flower production and vase life in gladiolus flowers. Humic acids are also known for their use in agriculture and have the potential to be used for all living things. They are important in the beekeeping sector and can be used to maintain the nutrition and health of bee colonies. Humic acids positively affect soil's physical, chemical, and biological properties and improve plant growth by chelating nutrients to the plant. They have been used in crop production to improve soil characteristics and agronomic parameters.

What is the role of soil organic carbon?5 answersSoil organic carbon (SOC) plays a crucial role in various aspects of soil health and sustainability. It helps in mitigating climate change by increasing carbon stocks and improving soil resilience and fertility. SOC also affects nutrient availability in the soil, enhances the solubility of certain plant nutrients, and binds toxic heavy metals, making them unavailable to plant roots. Additionally, SOC can detoxify harmful substances in the soil and bind a wide range of organic pollutants. Increasing SOC is important in agriculture, as it contributes to soil fertility and the storage of carbon, thereby reducing greenhouse gas emissions. Agricultural practices, such as crop diversification, residue management, and organic amendments, can influence SOC stocks. Overall, SOC is essential for maintaining soil quality, ensuring food security, mitigating climate change, and developing sustainable production systems.

What are the different applications of organic acids in various industries?5 answersOrganic acids have various applications in different industries. They are used in the production of bio-products such as bioenergy, biofuels, and high value-added chemicals, making them important in the agro-industrial sector. In the pharmaceutical industry, organic acids are utilized in numerous preparations and are involved in the absorption of pH-dependent drugs. Additionally, organic acids are used in the food industry for improving flavor, maintaining nutritional value, and extending the shelf life of food. They are also important in the production of organic acid-based products in the food industry, such as citric acid, gluconic acid, fumaric acid, and lactic acid. Furthermore, organic acids have antimicrobial properties and can be used as bactericidal and bacteriostatic agents. Overall, organic acids play a significant role in various industries, including agro-industrial, pharmaceutical, and food industries.

What kind of soil is rich in organic matter?9 answers

Which soil is high in organic matter?9 answers

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