Includes bibliographical references.

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 -- Intraspecific interactions in a crop population -- Management history and the weed seed bank -- Comparison of arthropod populations -- Census of soil-surface fauna -- 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 -- Mapping agroecosystem biodiversity -- Overyielding in an intercrop system -- Grazing intensity and net primary productivity -- Effects of trees in an agroecosystem -- On-farm energy use -- Farmer interview -- Local food market analysis.

Investigates an extensive range of topics. Includes well-structured investigations to eliminate errors. Facilitates hands-on, experiential learning that involves close observation, creative interpretation, and constant questioning of findings. Instructs students on record keeping, datasheets, statistical analyses, and report writing. Features new investigations that represent a broader geographical area. Offering step-by-step guidance for structured investigation, Field and Laboratory Investigations in Agroecology, Second Edition covers the topics of environmental factors, population dynamics in soil systems, interspecific interactions in cropping communities, farm and field systems, and food system studies. This edition facilitates hands-on, experiential learning that involves close observation, creative interpretation, and constant questioning of findings. It includes investigations that represent a broad geographical area, with more temperate and fewer tropical examples. Instructions on record keeping, datasheets, and statistical analyses make this is an ideal reference