Agroecology

Höfundur Anand M. R.; Poojitha Kommireddy; Seenappa C.; Kalyana Murthy K. N.; Ningaraju G. K.

Útgefandi Taylor & Francis

Snið ePub

Print ISBN 9781032627755

Útgáfa 1

Útgáfuár 2024

8.690 kr.

Description

Efnisyfirlit

  • Cover Page
  • Title Page
  • Copyright Page
  • Contents
  • Preface
  • About the Authors
  • 1. Concept of Crop Ecology
  • Ecology deals with
  • 2. Historical Developments
  • Why it is important to study ecology?
  • 3. Levels in Ecological Organization
  • Levels of study of Ecology
  • 3.1 Divisions of Plant Ecology
  • Autecology
  • Synecology
  • 4. Crop Ecology
  • 4.1 Principles and Basic Elements of Crop Ecology
  • Ecological principles
  • Ecological processes
  • Mechanisms
  • Basic concepts of ecology
  • What makes agro-ecology distinct?
  • Elements of agro-ecology (FAO)
  • 5. Plant Distribution and Adaptations
  • Theories of discontinuous distribution
  • Factors affecting distribution of species
  • Distribution of major crop groups in the world
  • 5.1. Plant Adaptations
  • Adaptations of hydrophytes
  • Adaptations of meso-phytes
  • Adaptations of xerophytes
  • Adaptations of plants growing in high altitudes
  • Adaptations in relation to soil
  • Adaptations induced by light
  • 6. Agro-Climatic Zones of India
  • Agro-ecological Zones of India
  • 7. Ecosystem
  • 7.1 Functions of an ecosystem
  • 7.2 Food Chain
  • 7.3 Ecological pyramids
  • 7.4 Types of ecosystem
  • 1 Aquatic ecosystem:
  • 2 Terrestrial ecosystem:
  • 8. Bio-Geochemical Cycles
  • 1 Carbon cycle:
  • 2 Oxygen cycle:
  • 3 Water cycle:
  • 4 Nitrogen cycle:
  • 5 Phosphorous cycle:
  • 6 Sulphur cycle:
  • 9. Ecological Succession
  • Causes of Succession
  • Basic types of succession
  • General process of succession
  • Theories of Climax
  • Characteristics of a climax community
  • 10. Competition in Crop Plants
  • Plant competition
  • I. Intra-specific competition
  • II. Inter-specific competition
  • Parameters to measure plant competition mechanisms
  • Competition Indices
  • 11. Environmental Pollution
  • 1. Air pollution
  • Types of particulates
  • What happens to pollutants in the atmosphere?
  • Effects of air pollution
  • Legal aspects of air pollution control in India
  • 2. Water pollution
  • The state of India’s rivers
  • Management of water pollution
  • 3. Soil pollution
  • Management of soil pollution:
  • 4. Noise pollution
  • Decibel levels of common sounds
  • Effects of noise pollution on physical health
  • Noise Control techniques
  • 5. Thermal pollution
  • 12. Ecological Factors Affecting Crop Production
  • 1. Internal factors (Genetic factors)
  • 2. External factors
  • a Climatic Factors
  • 1. Precipitation
  • 2 Temperature
  • 3 Atmospheric Humidity (Relative Humidity – RH)
  • 4 Solar radiation (without which life will not exist)
  • 5 Wind velocity
  • 6 Tmospheric gases on plant growth
  • B Edaphic Factors (soil)
  • 1. Soil moisture
  • 2. Soil air
  • 3. Soil temperature
  • 4. Soil mineral matter
  • 5. Soil organic matter
  • 6. Soil organisms
  • 7. Soil reaction (pH)
  • C Biotic Factors
  • 1. Plants
  • 2. Animals
  • D Physiographic factors:
  • E Socio-economic factors
  • 13. Ecology of Cropping System
  • A Principles of agro-ecology
  • B Bio diversification of agro-ecosystems for sustainable cropping system
  • C Importance of sustainable agro-ecosystems
  • D Ecology of legume based cropping systems
  • i Legume based cropping systems could help to
  • ii Complimentary benefits of legume cropping systems
  • E Ecological sustainability through crop rotations
  • i Impacts of sustainable crop rotations on soil quality
  • iii Using cover crops to enhance crop rotations
  • F Benefits of cover crops in crop rotations
  • i Contributions of cover crops to weed management
  • Sum up
  • 14. Response of Crops to Light, Temperature and CO2 on Growth and Development
  • A Solar radiation and crop response
  • i Reflection, transmission and absorption of light
  • ii Factors influencing radiation distribution with in plant canopy
  • 6 Leaf area index
  • B Carbon dioxide and crop response
  • i Green house effects (GHC)
  • ii Soil carbon and its influence on climate change
  • iii CO2 and plant growth
  • iv CO2 and photosynthesis
  • v CO2 and water use efficiency(WUE)
  • vi CO2 and radiation use efficiency (RUE)
  • vii Management strategies for CO2
  • C Temperature and crop response
  • i Crops response to temperature
  • ii Temperature extremes in climate
  • iii Sum up
  • D Vertical distribution of temperature in earth’s atmosphere
  • 15. Ecological Basis for Environmental Management
  • Guiding principles
  • 16. Environmental Manipulation through Agronomic Measures
  • Soil physical environment modification
  • Soil chemical environment modification
  • Soil biological environment modification
  • Soil microflora:
  • 17. Improvement of Unproductive Lands Through Crop Selection and Management
  • Reasons for development of unproductive lands
  • Ways to improve unproductive lands
  • Different unproductive lands and their management
  • I Salt-affected soils
  • Reclamation techniques in salt affected soils
  • 1 Soil working:
  • 2 Planting methods:
  • 3 Silvi-pastoral model:
  • 4 Choice of suitable species:
  • Developmental techniques
  • Success story of bamboo and anjan grass based agroforestry system for enhancing the productivity of ravines
  • IV Coastal lands
  • V Hot desert and shifting sand dunes
  • Improvement techniques
  • Afforestation effects on soil quality of sand dunes
  • VI Cold deserts
  • Characteristics of cold desert
  • VII Mined spoils
  • VIII Denuded hill slopes
  • IX Land slips and land slides
  • The main causes of landslides are
  • Developmental techniques
  • Conclusion
  • 18. Effect of Climate Change on Crop Production
  • Important weather extremes and their impact at global level
  • Climate change and agriculture
  • Main projections for climate change at global level:
  • Projected impact on Asia
  • Observed changes in climate and weather events in India Surface temperature
  • Rainfall
  • Extreme weather events
  • Rise in sea level
  • Impacts on Himalayan glaciers
  • Annual mean surface temperature
  • Impacts on water resources
  • Impacts on agriculture and food production
  • Impacts on health
  • Impacts on forests
  • Impacts on coastal areas
  • Impacts on biodiversity
  • Vulnerability to extreme events
  • Impacts on pests
  • Impact of climate change on diseases
  • Some current actions for adaptation and mitigation in India
  • Programmes
  • India’s policy structure relevant to GHG mitigation
  • Coping options for farmers awareness on climate change
  • An insurance product based on a Weather Index:
  • Conclusion
  • 19. Exploitation of Solar Energy in Agriculture
  • Solar energy-powered water pumps
  • Water and space heating
  • Crops and grain drying
  • Green house heating
  • Remote supply of electricity
  • Cooling applications
  • Solar cooking
  • Solar-distillation
  • Conclusion
  • References

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