农科专业英语 农学分册PDF电子书下载

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Lesson 1 1

Text Photosynthesis 1

Lesson 2 7

Text Grid Matching:A New Method for Homoclime Analysis 7

Lesson 3 14

Text Why Only Some Plants Can Fix Nitrogen 14

Lesson 4 20

Text Metamorphosis 20

Text The Normal Curve and Its Characteristics 29

Lesson 5 29

Reading Material:The Concept of Null Hypothesis 36

Lesson 6 40

Text Viruses,Mycoplasmas and Bacteria 40

Reading Material:The Positive Role of Microorganisms in Water and Soil 47

Lesson 7 51

Text A Brief History of Heredity 51

Reading Material:Interphase of Cell Cycle 59

Lesson 8 63

Text Trophic Structure of Ecosystem 63

Lesson 9 63

Reading Material:The Pond as An Example of A Simple Ecosystem 68

Text Chromosomal Variation at the Molecular Level in Crop Plants 71

Reading Material:1.Variation in Genome and Chromosomal Size 77

2.Chromosome Structure and Exploitation of Interspecies Hybrids 77

Lessn 10 80

Text Pathogen and the Disease 80

Reading Material:About Plant Diseases 89

Lesson 11 93

Text Agricultural Development in Three Asian Regions 93

Reading Material:A Comparative Analysis of Three Asian Regions 102

Lesson 12 106

Text Electric Power Utilization in Food Processing Plant 106

Reading Material:Better Irrigation Practices 115

Lesson 13 118

Text New Farming System Proposed for Developing Countries 118

Reading Material:The Problems of Agriculture Subsidy 124

Lesson 14 128

Text The Seed and Its Germination 128

Reading Material:The Control of Germination 135

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