林业英语文选PDF电子书下载

Lesson One Darwin,Charles Robert 1

Lesson Two Herbs,Shrubs,and Trees 8

Lesson Three Plant Seed 11

Lesson Four Time for Collecting Tree Seed 17

Lesson Five Site of Nurseries 21

Lesson Six Forest Soils 26

Lesson Seven Kinds of Fertilizers Used in Nursery Practice 32

Lesson Eight Care of Seed Beds after Germination Begins 36

Lesson Nine Genetic Engineering 41

Lesson Ten Frost Injury 47

Lesson Eleven Secrets of the Atmosphere 52

Lesson Twelve Project Planning for Machine Planting 57

Lesson Thirteen Stock Requirements for Machine Planting 61

Lesson Fourteen Tea（Ⅰ） 66

Lesson Fifteen Tea（Ⅱ） 73

Lesson Sixteen Pruning of the Fruit Trees 79

Lesson Seventeen Loblolly Pine 83

Lesson Eighteen Plant Ecology 91

Lesson Nineteen Silviculture and Its Place in Forestry 98

Lesson Twenty Natural Forests 103

Lesson Twenty-one Animals in Forests（Ⅰ） 109

Lesson Twenty-two Animals in Forests（Ⅱ） 114

Lesson Twenty-three Eucalypt Ecology 121

Lesson Twenty-four Oil Palm 129

Lesson Twenty-five Forests of China（Ⅰ） 135

Lesson Twenty-six Forests of China（Ⅱ） 142

Lesson Twenty-seven The Fungi 151

Lesson Twenty-eight Bacterial Plant Diseases 157

Lesson Twenty-nine Seedling Diseases 163

Lesson Thirty Damping-off of Young Seedlings 169

Lesson Thirty-one Needle Cast of Pines 173

Lesson Thirty-two Septoria Leaf Spot 178

Lesson Thirty-three Melampsora Leaf Rust 182

Lesson Thirty-four The Blister Rusts of Pines 185

Lesson Thirty-five Cytospora Canker of Poplars and Willows 190

Lesson Thirty-six Metamorphosis of Insects 197

Lesson Thirty-seven The Ants 201

Lesson Thirty-eight Cottonwood Leaf Beetle 207

Lesson Thirty-nine Poplar Borer 212

Lesson Forty Genetic Control of Insect Pests 218

Lesson Forty-one Selectivity of Insecticides 224

Lesson Forty-two Biological Control 229

Lesson Forty-three Insect Sex Pheromones 235

Lesson Forty-four Insect Hormones as Insecticides 239

Lesson Forty-five Structure of Insects 244

Lesson Forty-six Ecological Habits of Forest Insects 252

Lesson Forty-seven Factors Which Control the Develop-ment of Insects 258

Lesson Forty-eight Insect Diseases 264

Lesson Forty-nine Kinds of Forest Fires 270

Lesson Fifty Water 275

Lesson Fifty-one Soil 280

Lesson Fifty-two The Structure of Soil 285

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 Fertility 329

Lesson Sixty How Does Soil Erosion Occur？ 333

Lesson Sixty-one The Functions of a Ground Cover 337

Lesson Sixty-two Influence of Forest on Soil 341

Lesson Sixty-three Forest,Soil and Water 344

Lesson Sixty-four Land Management 348

Lesson Sixty-five Land Classification 352

Lesson Sixty-six The Relation Between Mechanical and Biological Control 359

Lesson Sixty-seven Erosion and Forests 365

Lesson Sixty-eight Forest Management and Erosion 369

Lesson Sixty-nine Reclamation of Eroded Areas 375

Lesson Seventy Soil and Water Conservation in People’s China 382

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