土壤 SOILSPDF电子书下载

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1 Dialogue:General Discussion 1

2 Dialogue:Major Soil Types 5

3 Dialogue:Soil Formation 9

4 Reading:Soil Structure 13

5 Dialogue:Soil Classification 16

6 Dialogue:Soil Chemicals(1) 20

7 Reading:Soil Chemicals(2) 23

8 Dialogue:Soil Chemicals(3) 25

9 Dialogue:Soil Chemicals(4) 29

10 Dialogue:Inorganic Fertilizer 32

11 Dialogue:Organic Fertilizer 36

12 Dialogue:Soil Fractions and Drainage 39

13 Dialogue:Tillage in Humid Areas(1) 44

14 Dialogue:Tillage in Humid Areas(2) 47

15 Reading:Dry Land Tillage 50

16 Dialogue:Cropping Systems 54

17 Dialogue:Irrigation (1) 58

18 Reading:Irrigation(2) 61

参考译文 64

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