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棉花作物栽培 PowerPoint PPT Presentation


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棉花作物栽培学 教学课件 V1.1. 棉花作物栽培. 长江大学农学院秦亚平 副教授. 1. 棉花生产在国民经济中的重要地位. 第 一 节 棉 花 生 产 概 况. 1.1 棉花是国民生活不可缺少的资料. 1.1.1 棉纤维( fibre of cotton ). 棉纤维在世界纺织原料总消费中的比重一直占据主要地位。 五十年代以来,化学合成纤维原料大量取代棉纤维原料, 棉纤维在纺织纤维消费量比重下降,但绝对消费量呈上升趋势。. 世界人均棉花消费量 :1975 年为 3.21kg,1994 年为 3.4kg 棉花绝对消费量呈增长趋势.

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棉花作物栽培

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5938490

V1.1


5938490

1.

1.1

1.1.1 fibre of cotton


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:19753.21kg,19943.4kg


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197882%199077.1%199565.3%200058.9%200235.2%50%20-30%


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1.1.2 seed of cotton

56-70%,

35-46%43-50%

0.2-2%


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1.1.3 stem & root of cotton

,100kg3-4kg


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1.2

1/31/225.9%1/320%2/3

75%


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2.1.1

50-209-1282%

2.1.2

20-01-411%

2.1.3

0-305-87%

2.

2.1


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24-25oC15oC2600oC

10oC

15oC

2600-3100oC

3200oC-5500oC

2.2 (division of areas)

2.2.1

temperature


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150

300

150-180180-300

400400

1200

400-1200

(frost-free period)

(precipitation)


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15oC2600oC

15oC2600oC-3500oC

15oC5500oC

15oC3500oC

15 oC4000 oC

60-75%150-200200

15oC2600-3100oC150-170600-800

15oC5500-9200oC

15 oC4000-5500 oC220-30035-55%750-1500

15oC3500-4000oC190-220400-750

30%

50%

1%1%

35-40%50-60%40%

50%

2%1%

2.2.2

15oC5500oC4000oC3500oC


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3.

3.1

3.1.1

1990-19933058935556

1996-20003192734606

2001-20053078335253


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3.1.2

2001-200520097.126542.6


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3.1.3


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3.2

3.2.1

5075009000-180009594%75% 95


5938490

()

(%)

49(%)

(/)

(%)

49(%)

1949

888.8

21.6

1952

2607.4

193.0

193.0

31.2

44.0

44.0

1958

4200.0

61.0

370.0

48.9

56.7

130.0

1968

4708.0

12.0

430.0

63.0

28.8

192.0

1973

5124.0

8.8

476.5

68.0

8.0

215.0

1982

7196.9

40.5

709.7

83.3

16.2

270.0

1984

12516.0

86.8

1308.2

120.5

52.5

557.9

1986

7080.0

44.4

796.6

109.6

-9.1

507.4

1988

8298.0

1.7

833.6

100.0

-8.8

363.0

1990

9017.5

8.7

914.6

108.0

8.0

400.0

1991

11326.0

25.6

1174.3

116.0

7.4

437.0

1994

9000.0

-15.8

973.4

106.0

-9.7

384.9

2002

9832.4

3.1

1006.3

156.7

49.6

625.3

2004

12640.0

28.6

1322.1

137.6

-19.1

537.0

3.2.2

506080

80%


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50601.78

kg


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3.2.3


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3.3.1

3.3.2

3.3.3

3.3.4

3.3.5

3.3


5938490

20032007

50

40

40

5020

3032

200775 kg

7 83 10


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