Chapt10 lecture

William P. Cunningham University of Minnesota Mary Ann Cunningham Vassar College Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. *See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes. Chapter 10 Lecture Outline *

Farming: Conventional and Sustainable Practices

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resources for Agriculture ,[object Object],[object Object],[object Object]

Soils are Complex Ecosystems ,[object Object],[object Object],[object Object],[object Object],[object Object]

6 Components of Soil ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variation in Soil Composition ,[object Object],[object Object],[object Object],[object Object],[object Object]

Grassland vs. Tropical Rainforest Soils

Soil Fauna Determine Fertility ,[object Object],[object Object],[object Object],[object Object],[object Object]

Soils are Layered ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Soil Profiles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Food Comes from the A Horizon ,[object Object],[object Object],[object Object],[object Object]

Ways We Use and Abuse Soil ,[object Object],[object Object],[object Object],[object Object]

Arable Land Unevenly Distributed ,[object Object],[object Object],[object Object],[object Object]

Soil Losses Cut Farm Production ,[object Object],[object Object],[object Object]

Water Moves Soil in Various Ways ,[object Object],[object Object],[object Object],[object Object],[object Object]

Wind Moves Soil Also ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Deserts are Spreading ,[object Object],[object Object],[object Object],[object Object],[object Object]

Other Agricultural Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Plants Need Fertilizer Also ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Farming is Energy Intensive ,[object Object],[object Object],[object Object],[object Object]

Pests and Pesticides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Use of Pest Controls is Not New ,[object Object],[object Object],[object Object],[object Object]

Pros and Cons of Modern Pesticides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pros and Cons of Modern Pesticides ,[object Object],[object Object],[object Object],[object Object],[object Object]

Worldwide Pesticide Use ,[object Object],[object Object],[object Object],[object Object]

Pesticide Types ,[object Object],[object Object],[object Object],[object Object],[object Object]

Pesticide Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pesticide Types ,[object Object],[object Object],[object Object],[object Object]

Environmental Effects of Pesticides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Persistent Organic Pollutants ,[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental Persistence and Mobility ,[object Object],[object Object],[object Object],[object Object]

Human Health Problems ,[object Object],[object Object],[object Object],[object Object],[object Object]

Organic and Sustainable Agriculture ,[object Object],[object Object],[object Object],[object Object]

Health Hazards of Pesticide Usage

Organic and Sustainable Agriculture ,[object Object],[object Object],[object Object],[object Object],[object Object]

Careful Management Can Reduce Pests ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Biological Controls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],IPM Uses a Combination of Techniques

Crop Vacuum Removes Insect Pests

Alternative Pest Control Strategies

Soil Conservation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ground Cover Protects Soil ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reduced Tillage Leaves Crop Residue ,[object Object],[object Object],[object Object],[object Object],[object Object]

Low Input Sustainable Agriculture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Consumers’ Play and Important Role ,[object Object],[object Object],[object Object]

Chapt10 lecture

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