Field and Laboratory Investigations in Agroecology, Second Edition

Field and Laboratory Investigations in Agroecology, Second Edition

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ISBN 9780849328466
Cat# 2846
 

Features

  • Encompasses an extensive range of topics including soil temperature and soil moisture, Rhizobium nodulation in legumes, and agroecosystem biodiversity
  • Includes well-structured investigations to eliminate errors
  • Encourages record-keeping, data sheets, statistical analyses, and report writing
  • Features new investigations that represent a broader geographical area
  • Summary

    Agroecology is defined as the application of ecological concepts and principles to the design and management of sustainable food systems. Offering step-by-step guidance for structured investigation, Field and Laboratory Investigations in Agroecology, Second Edition reviews ecological concepts and principles in an agricultural setting and provides in-depth, practical experience.

    From background information to procedures and suggestions for writing up the results, the book covers 24 different agroecological investigations, each designed to provide all the information needed to plan and execute experimental or comparative studies. It deals with how an individual plant responds to the environment, how environmental factors are measured and characterized, and how environmental factors affect individual plants. The manual investigates how populations of organisms act in agroecosystems, focuses on the level of the community, and explores the between-species interactions of the organisms that make up crop communities. Examining whole farms or systems within farm boundaries, investigations touch on the complexity with which farmers manage agroecosystems. In the last section, the book addresses components of the food system at a local level.

    Comprising both basic and complex topics, Field and Laboratory Investigations in Agroecology, Second Edition presents a broad scope of issues relevant to agroecology today. This edition facilitates hands-on, experiential learning that involves close observation, creative interpretation, and constant questioning of findings.

    Table of Contents

    STUDIES OF ENVIRONMENTAL FACTORS
    Effect of Microclimate on Seed Germination
    Light Transmission and the Vegetative Canopy
    Soil Temperature
    Soil Moisture Content
    Soil Properties Analysis
    Canopy Litterfall Analysis
    Mulch System Comparison
    Root System Response to Soil Type

    STUDIES OF POPULATION DYNAMICS IN CROP SYSTEMS
    Intraspecific Interactions in a Crop Population
    Management History and the Weed Seedbank
    Comparison of Arthropod Populations
    Census of Soil-Surface Fauna

    STUDIES OF INTERSPECIFIC INTERACTIONS IN CROPPING COMMUNITIES
    Bioassay for Allelopathic Potential
    Rhizobium Nodulation in Legumes
    Effects of Agroecosystem Diversity on Herbivore Activity
    Herbivore Feeding Preferences
    Effects of a Weedy Border on Insect Populations

    STUDIES OF FARM AND FIELD SYSTEMS
    Mapping Agroecosystem Biodiversity
    Overyielding in an Intercrop System
    Grazing Intensity and Net Primary Productivity
    Effects of Trees in an Agroecosystem

    FOOD SYSTEM STUDIES
    On-Farm Energy Use
    Farmer Interview
    Local Food Market Analysis

    INSTRUCTOR'S APPENDICES
    Appendix A: Planning the Field and Laboratory Course

    GENERAL APPENDICES
    Appendix B: Measurement Equivalents
    Appendix C: Equipment and Materials Suppliers

    Editorial Reviews

    "… provides a comprehensive coverage of how the processes … of phosphorus in the rural environment are modeled. Overall, this book provides an important review of how phosphorus losses from rural catchments are modeled … ."

    — C.J.A. Macleod and P.M. Haygarth in Cambridge University Press Vol. 43, 2007

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