Advances in Agronomy

Name: Advances in Agronomy
Brand: Academic Press
Price: 138.0 EUR
Availability: OnlineOnly

Donald L. Sparks(Herausgeber*in)

Academic Press

Erschienen am 7. Mai 2022

314 Seiten

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Intro
Advances in Agronomy
Copyright
Contents
Contributors
Preface
Chapter One: Soil nitrogen supply and N fertilizer losses from Australian dryland grain cropping systems
1. Introduction
2. Australian agroclimatic cropping regions
3. Soil nitrogen supply pathways
3.1. Net nitrogen mineralization
3.2. Gross nitrogen mineralization
4. Nitrogen losses
4.1. Ammonia volatilization
4.2. Nitrous oxide emissions
4.3. Denitrification
4.4. Nitrogen leaching
5. Knowledge gaps and research priorities
5.1. Quantifying soil N supply and loss pathways
5.1.1. Soil nitrogen supply via mineralization
5.1.2. Ammonia volatilization
5.1.3. Nitrous oxide and dinitrogen gas emissions
5.1.4. Nitrogen leaching
5.2. Improving simulation modeling of soil N dynamics
5.3. A systems perspective for future land management and climate scenarios
6. Conclusions
Acknowledgments
References
Chapter Two: Trace contaminants in the environmental assessment of organic waste recycling in agriculture: Gaps between m ...
1. Introduction
1.1. Treatment and agricultural recycling of organic waste
1.2. Contaminants in organic waste and effects of its agricultural recycling on soil
1.3. Scope and objectives of this review
2. Environmental assessment of organic waste treatment and agricultural recycling-State of the art: Consideration of cont ...
2.1. Environmental assessment frameworks
2.2. Toxicity modeling in LCA
2.2.1. General principles
2.2.2. USEtox: The consensus fate, exposure and toxicity model
2.3. Consideration of contaminants in LCA of organic waste treatments and agricultural recycling
2.3.1. Organic waste treatment and soil application
2.3.2. Ecotoxicity of OW-borne trace elements
2.3.3. Ecotoxicity of OW-borne organic contaminants
2.4. Toxicity modeling in RA
2.5. Consideration of contaminants in organic waste treatment and agricultural recycling RA
2.5.1. Organic waste treatment and soil application
2.5.2. Ecological and human risks due to OW-borne trace elements
2.5.3. Ecological and human risks of OW-borne organic contaminants
2.5.4. Ecological and human risks of OW-borne pathogens and antibiotic resistance
3. Gaps in environmental assessment methods and empirical knowledge regarding contaminants in organic waste treatment and ...
3.1. Empirical knowledge on contaminants in organic waste
3.2. Trace elements in LCA and RA: Limits and solutions
3.2.1. Chemical properties of organic waste altering trace element availability in soil: trace element speciation in orga ...
3.2.2. Soil physicochemical processes driving the trace element fate in soil
3.2.2.1. Colloidal transfer for trace element leaching prediction
3.2.2.2. Variability in dissolved organic matter binding properties
3.2.2.3. Kinetics of soil physicochemical processes
3.2.2.4. Effects of repetitive long-term organic waste applications
3.2.3. Influence of soil organisms on trace element availability and bioavailability
3.3. Organic contaminants in LCA and RA: Limits and solutions
3.3.1. Interactions between organic matter and contaminants
3.3.2. Extending and complementing hazard and exposure models used in LCA and RA
3.3.2.1. Plant and animal uptake models
3.3.2.2. Multi-compartment transport models
3.4. Pathogens and antibiotic resistance in RA: Limits and solutions
3.4.1. Microbial fate during organic waste treatment
3.4.2. Role of antibiotics and non-antibiotic chemical stressors on antibiotic resistance selection and antibiotic resist ...
3.5. Contaminant mixtures in LCA and RA: Limits and solutions
4. Potential environmental assessment enhancement and the prospect of a comprehensive framework for agricultural organic ...
5. Conclusion
Acknowledgments
References
Chapter Three: Precise quantification of plant nutrient bioavailability: The relevance of the nutrient buffer power concept
1. Efficient plant nutrient management: The key factor in sustainable crop production
2. Soil tests and nutrient ``bioavailability´´
3. Rating soil tests to define nutrient bioavailability and a fertility index
4. The buffer power and effect on nutrient bioavailability
4.1. Basic concepts
5. Measuring the nutrient buffer power and its importance in affecting nutrient concentrations on the root surface
6. Quantifying the buffer power and testing its effect on nutrient bioavailability
6.1. Example of phosphorus
7. P buffer power measurement vs soil test P data for dependability of nutrient bioavailability prediction
8. Example of potassium
9. The importance of K buffer power determination in predicting K bioavailability in perennial crops
10. The commercial significance of K buffer power determination in K fertilizer management for perennial crops
11. Case studies with African soils
12. Experimental evidence in black pepper
12.1. Quantifying the buffer power for precise bioavailability prediction: Heavy metals
12.2. Quantifying Zn buffer power
13. Case studies with Asian soils
13.1. South Asian soils
13.2. Investigation in Indian soils
13.3. Quantifying the Zn buffer power of pepper-growing soils
14. Experimental evidence in cardamom
15. Concluding comments and future imperatives
References
Further reading
Chapter Four: Stimulation of plasma membrane H-ATPase by auxins or fusicoccin and its relation to maize kernel setting, g ...
1. Introduction
2. Auxins
2.1. Discovery of IAA and its metabolism in plants
2.2. Auxin-induced elongation growth
2.3. Role of auxins during transition from vegetative to reproductive growth
2.4. Auxin action in developing maize kernels
2.4.1. Synthesis of IAA and interaction with cytokinins
2.4.2. Integrated action of IAA with sugars, 14-3-3 proteins and nitrogen
2.4.3. Application of cytokinins and auxins
2.4.4. Involvement of phytohormones in kernel abortion under stress
3. Fusicoccin
3.1. In vitro effects of FC on PM H-ATPase
3.2. Physiology of FC action on PM H-ATPase
3.3. Kinetic parameters of PM H-ATPase and pH dependence of FC action
3.4. In vivo effects of FC on PM H-ATPase
3.5. Comparison of FC and auxin action on PM H-ATPase
4. Conclusions and perspectives
Acknowledgments
References
Chapter Five: Overview and application of the Mitscherlich equation and its extensions to estimate the soil nitrogen pool ...
1. Introduction
2. Overview and data
2.1. Crop response to nutrient application
2.1.1. Mitscherlich and Baule models
2.1.2. Bray modification
2.1.3. Non-asymptotic response due to toxic effects of over-fertilization
2.1.4. Incomplete study due to resource limitation and/or environmental vagaries
2.1.5. Possible mitigation of over-fertilization effects
2.1.6. Baule´s fertilizer units
2.1.7. Baule´s sufficiency ratio
2.1.8. Baule-Mitscherlich limiting factor equation
2.1.9. Type II linear regression
2.2. Experimental data
2.2.1. First experimental data collection
2.2.2. Second experimental data collection
2.2.3. Third experimental data collection
3. Application and discussion
3.1. Using the first experimental data collection
3.2. Using the second experimental data collection
3.3. Using the third experimental data collection
4. Conclusions
References
Index

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