各流域节水灌溉面积（2005年）

单位：千公顷

(1000 hectares)

流域片

River Valley

节水灌溉面积合计

喷滴灌

微  灌

低压管灌

渠道防渗

其他工

程节水

Water-

saving

Irrigated

Area

Jetting

and

Dropping

Irrigation

Tiny

Irrigation

Low

Pressure

 Pipe

Irrigation

Leakage-

free

Channel

Other

Forms of 

Water-

saving

全   国

National Total

21338.2

2746.3

621.8

4991.8

9133.2

3845.1

松花江区

Songhuajiang River

1987.4

970.0

9.3

105.9

64.0

838.2

辽河区

Liaohe River

907.3

328.6

31.5

340.0

195.3

11.9

海河区

Haihe River

3897.7

593.3

40.1

2082.1

748.6

433.8

黄河区

Huanghe River

3039.0

244.1

60.1

1040.5

1388.3

306.0

淮河区

huaihe River

3193.8

251.9

44.8

828.3

965.4

1103.4

长江区

Changjiang River

3558.1

111.3

29.1

331.4

2573.5

512.7

东南诸河区

Southeastern Rivers

1030.8

31.4

16.1

93.8

793.1

96.4

珠江区

zhujiang River

1022.1

17.8

3.8

34.1

576.8

389.6

西南诸河区

Southwestern Rivers

173.7

2.1

0.8

4.1

148.5

18.2

西北诸河区

Northwestern Rivers

2528.4

195.7

386.3

131.6

1679.8

135.0