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Lesson One Darwin,Charles Robert1

Lesson Two Herbs,Shrubs,and Trees8

Lesson Three Plant Seed11

Lesson Four Time for Collecting Tree Seed17

Lesson Five Site of Nurseries21

Lesson Six Forest Soils26

Lesson Seven Kinds of Fertilizers Used in Nursery Practice32

Lesson Eight Care of Seed Beds after Germination Begins36

Lesson Nine Genetic Engineering41

Lesson Ten Frost Injury47

Lesson Eleven Secrets of the Atmosphere52

Lesson Twelve Project Planning for Machine Planting57

Lesson Thirteen Stock Requirements for Machine Planting61

Lesson Fourteen Tea（Ⅰ）66

Lesson Fifteen Tea（Ⅱ）73

Lesson Sixteen Pruning of the Fruit Trees79

Lesson Seventeen Loblolly Pine83

Lesson Eighteen Plant Ecology91

Lesson Nineteen Silviculture and Its Place in Forestry98

Lesson Twenty Natural Forests103

Lesson Twenty-one Animals in Forests（Ⅰ）109

Lesson Twenty-two Animals in Forests（Ⅱ）114

Lesson Twenty-three Eucalypt Ecology121

Lesson Twenty-four Oil Palm129

Lesson Twenty-five Forests of China（Ⅰ）135

Lesson Twenty-six Forests of China（Ⅱ）142

Lesson Twenty-seven The Fungi151

Lesson Twenty-eight Bacterial Plant Diseases157

Lesson Twenty-nine Seedling Diseases163

Lesson Thirty Damping-off of Young Seedlings169

Lesson Thirty-one Needle Cast of Pines173

Lesson Thirty-two Septoria Leaf Spot178

Lesson Thirty-three Melampsora Leaf Rust182

Lesson Thirty-four The Blister Rusts of Pines185

Lesson Thirty-five Cytospora Canker of Poplars and Willows190

Lesson Thirty-six Metamorphosis of Insects197

Lesson Thirty-seven The Ants201

Lesson Thirty-eight Cottonwood Leaf Beetle207

Lesson Thirty-nine Poplar Borer212

Lesson Forty Genetic Control of Insect Pests218

Lesson Forty-one Selectivity of Insecticides224

Lesson Forty-two Biological Control229

Lesson Forty-three Insect Sex Pheromones235

Lesson Forty-four Insect Hormones as Insecticides239

Lesson Forty-five Structure of Insects244

Lesson Forty-six Ecological Habits of Forest Insects252

Lesson Forty-seven Factors Which Control the Develop-ment of Insects258

Lesson Forty-eight Insect Diseases264

Lesson Forty-nine Kinds of Forest Fires270

Lesson Fifty Water275

Lesson Fifty-one Soil280

Lesson Fifty-two The Structure of Soil285

Lesson Fifty-three How the Soil Is Made（Ⅰ）290

Lesson Fifty-four How the Soil Is Made（Ⅱ）295

Lesson Fifty-five How Vegetation Holds the Soil（Ⅰ）302

Lesson Fifty-six How Vegetation Holds the Soil（Ⅱ）308

Lesson Fifty-seven What Happens Where There Is No Protecting Carpet of Vegetation（Ⅰ）315

Lesson Fifty-eight What Happens Where There Is No Protecting Carpet of Vegetation（Ⅱ）323

Lesson Fifty-nine Soil Fertility329

Lesson Sixty How Does Soil Erosion Occur？333

Lesson Sixty-one The Functions of a Ground Cover337

Lesson Sixty-two Influence of Forest on Soil341

Lesson Sixty-three Forest,Soil and Water344

Lesson Sixty-four Land Management348

Lesson Sixty-five Land Classification352

Lesson Sixty-six The Relation Between Mechanical and Biological Control359

Lesson Sixty-seven Erosion and Forests365

Lesson Sixty-eight Forest Management and Erosion369

Lesson Sixty-nine Reclamation of Eroded Areas375

Lesson Seventy Soil and Water Conservation in People’s China382

附录一：短语和词组389

附录二：总词汇表396

附录三：国外部分期刊名称（附期刊术语）452

附录四：英汉译音表454