Bioactive Compounds in Agricultural Soils. (2016)

• Record Type: Book
• Other Names: Szajdak, Lech Wojciech
• Contents: Chapter 1: Introduction: Biologically Active Compounds; References; Part I: Biologically Active Substances in Cropping Systems; Chapter 2: Free, Bounded, and Included in Humic Acids Amino Acids: Thermal Properties of Humic Acids from Cropping Systems; 2.1 Introduction; 2.2 Continuous Cropping; 2.2.1 Soil Organic Matter; 2.2.2 Amino Acids; 2.2.3 Amino Acids in Humic Acids; 2.2.4 Thermal Evaluation of HA Structure; References; Chapter 3: Conversions and Pathways of Organic Carbon and Organic Nitrogen in Soils; 3.1 Distribution and Sequencing of Organic Carbon Complexes 3.1.1 Humic and Fulvic Acids3.1.2 Soil Microbial Biomass (SMB); 3.1.3 Polysaccharides; 3.1.4 Organic Acids; 3.1.5 Polycyclic Aromatic Hydrocarbons; 3.1.6 Phenols and Phenolic Acids; 3.2 Distribution and Sequencing of Organic Nitrogen Complexes; 3.2.1 Free Amino Acids; 3.2.2 Amino Polysaccharides and Amino Sugars; 3.2.3 Nucleic Acids; 3.2.4 Purines and Pyrimidines; 3.2.5 Amides; 3.2.6 Other Organic Nitrogen Compounds in Soils; 3.2.7 Models of Organic Nitrogen Processes; References; Chapter 4: Free Sulfuric Amino Acids and Rhodanese in Soils Under Rye Cropping and Crop Rotation 4.1 Introduction4.2 Methods for the Determination of Free Sulfuric Amino Acids in Soils; 4.2.1 Materials and Equipment Required; 4.2.2 Reagents; 4.2.3 The Extraction of Free Sulfuric Amino Acids with Alcohol; 4.2.4 The Determination of Free Amino Acids; 4.2.5 The Extraction of Free Sulfuric Amino Acids with Supercritical Gas; 4.2.5.1 Materials and Equipment Required; 4.2.5.2 Reagents; 4.2.6 The Determination of Free Amino Acids; 4.2.7 The Determination of Rhodanese Activity in Soil; 4.2.7.1 Reagents and Solutions; 4.2.8 Method for the Determination of Rhodanese Activity in Soil 4.3 ConclusionsReferences; Chapter 5: Amino Acids, Indole-3-Acetic Acid, Stable and Transient Radicals, and Properties of Humic and Fulvic Acids as Affected by Tillage System; 5.1 Introduction; 5.2 Materials and Methods; 5.2.1 Soil Samples; 5.2.2 Instruments; 5.2.3 The Isolation of HA and FA; 5.2.4 The Hydrolysis of HA and FA and the Determination of Amino Acids; 5.3 Conclusions; References; Chapter 6: Rate of Leaching of Organic and Inorganic Compounds in Tilled and Orchard Soils; 6.1 Introduction; 6.2 Materials and Methods; 6.2.1 Soil and Treatment Descriptions; 6.3 Conclusion 6.3.1 Kinetics of LeachingReferences; Chapter 7: Impact of Long-Term Agricultural Management and Native Forest Ecosystem on the Chemical and Biochemical Properties of Retisols' Organic Matter; 7.1 Introduction; 7.2 Characterization of Research Conditions and Objects; 7.2.1 General Methodological Principles; 7.2.2 Climatic and Meteorological Conditions; 7.2.3 Soils and Their Humus Status; 7.2.4 Field Experiment; 7.3 Methods of Laboratory Analyses; 7.3.1 Ammonium; 7.3.2 Nitrates; 7.3.3 Urease; 7.3.4 Nitrate Reductase; 7.3.5 Indole-3-Acetic Acid (IAA); 7.4 Results and Discussion; 7.5 Conclusions
• Publisher Details: Switzerland : Springer
• Publication Date: 2016
• Extent: 1 online resource
• Subjects: 631.4/1; Life sciences; Soil chemistry; Bioactive compounds; Soils -- Composition; TECHNOLOGY & ENGINEERING / Agriculture / General; Bioactive compounds; Soil chemistry; Soils -- Composition; Nature -- Environmental Conservation & Protection; Science -- Life Sciences -- Biochemistry; Soil science, sedimentology; Botany & plant sciences; Agriculture; Soil conservation; Biochemistry; Technology & Engineering -- Agriculture -- General; Agricultural science; Electronic books; Electronic books
• Languages: English
• ISBNs: 9783319431079; 3319431072
• Related ISBNs: 9783319431062; 3319431064
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