Unit One Sustainable Farming 1
Text A The New Sustainable Farm 1
Text B The Pros and Cons of Modern Farming 12
Unit Two Agricultural Mechanization 26
Text A Greatest Achievements—Agricultural Mechanization 27
Text B Potato Seed Cutting to Improve Planter Spacing 34
Powell Manufacturing—Tobacco Mechanization Specialist 36
Unit Three Cropping Techniques 46
Text A Escalating Diversity and Stability to a Higher Level 47
Text B Farmscaping to Enhance Biological Control 57
Unit Four Chemical Control 66
Text A Drift Control 67
Text B "Natural"Biopesticide to Be Developed 75
Unit Five Soil Management 85
Text A Plant Nutrients,Soil Fertility and Grid Sampling 85
Text B Acid Eats into Farm Incomes 94
Unit Six Water Resources 103
Text A Rainwater Harvesting:a New Water Source 103
Text B Water Scarcity:Forecasting the Future with Spotty Data 114
Unit Seven Energy Resources 125
Text A Oceans of Electricity 126
Text B Power Harvests 136
Unit Eight Food Processing 146
Text A Computers Control Flexible Manufacturing 147
Text B The Potential of Electro-Technologies for the Processing of Foods 157
Unit Nine Automation 170
Text A Agricultural Automation in the New Millennium 171
Text B Robot Milkers Expected to Double in Ontario by Year-End 180
Unit Ten Remote-Sensing Technologies 189
Text A Remote Sensing Keeps an Eye on Natural Resources 190
Text B Agriculture Remote Sensing:Getting a Closer Look 201
Glossary 211
Key to Exercises 211
Chinese Translation for Text A 259
New Words 284
Phrases and Expressions 310
Proper Names 315