Table 1 Crop blue and green WC amounts for main crops and continents for 2020 and related SPAM statistics on production and harvested area

From: Global spatially explicit crop water consumption shows an overall increase of 9% for 46 agricultural crops from 2010 to 2020

Crop

Continent

WCbl (km3)

WCgn,irr (km3)

WCgn,rf (km3)

WCgn (km3)

WCbl+gn (km3)

Pirr (Mton)

Prf (Mton)

Pirr+rf (Mton)

Airr (Mha)

Arf (Mha)

Airr+rf (Mha)

Wheat

Asia

191

79

114

193

384

270

70

340

57

43

100

Americas

8

4

116

120

128

12

96

108

2

32

34

Africa

13

1

26

27

40

12

15

27

2

7

10

Europe

1

1

105

106

107

2

183

185

0

34

34

Global

212

85

468

553

765

297

469

766

61

156

217

Rice

Asia

424 (136)

375

237

612

1,036

585

105

690

95

49

144

Americas

22 (5)

11

11

22

44

31

6

37

4

2

6

Africa

27 (7)

11

60

72

98

18

18

36

4

12

15

Europe

2 (0)

1

0

1

3

2

0

3

0

0

0

Global

477 (149)

398

309

707

1,183

637

130

767

103

63

165

Maize

Asia

47

64

155

219

266

160

207

367

23

43

66

Americas

27

29

299

328

354

96

480

576

8

64

73

Africa

13

2

166

168

181

13

78

91

2

39

41

Europe

9

5

39

44

53

27

91

118

2

14

16

Global

96

99

665

764

860

297

871

1,167

36

164

200

Soybean

Asia

4

5

83

87

91

3

28

32

1

20

22

Americas

11

9

398

407

418

15

287

302

3

91

94

Africa

0

0

7

7

8

1

2

3

0

2

2

Europe

0

0

3

4

4

0

3

3

0

1

1

Global

16

14

491

505

521

19

321

340

5

114

119

Sugar cane

Asia

70

47

37

84

154

567

204

771

7

4

11

Americas

14

18

84

101

115

287

709

996

2

12

14

Africa

10

3

5

8

18

61

29

89

1

1

1

Europe

0

0

0

0

0

0

0

0

0

0

0

Global

96

69

128

197

292

928

949

1,877

10

16

27

Cotton

Asia

55

24

58

82

137

41

6

47

11

10

21

Americas

10

5

18

22

33

7

9

15

2

3

5

Africa

3

1

17

18

21

1

4

5

0

3

4

Europe

1

0

0

1

2

1

0

1

0

0

0

Global

70

31

93

124

194

49

19

69

13

18

31

Oilpalm

Asia

0

0

240

240

240

0

364

364

0

21

21

Americas

0

0

14

14

15

1

20

20

0

1

1

Africa

0

0

46

46

46

0

23

23

0

6

6

Europe

0

0

0

0

0

0

0

0

0

0

0

Global

0

1

302

302

303

1

410

410

0

28

28

All 46 crops

Asia

918 (136)

690

1,916

2,606

3,524

2,194

2,440

4,635

233

401

633

Americas

140 (5)

107

1,214

1,321

1,460

600

1,899

2,499

30

264

295

Africa

119 (7)

32

1,055

1,087

1,206

221

704

924

17

257

274

Europe

39 (0)

26

330

355

394

149

706

855

10

111

121

Global

1,228 (149)

861

4,727

5,588

6,817 (149)

3,209

6,026

9,234

292

1,115

1,407

  1. Distinction between irrigated (irr) and rainfed (rf). For rice, the amounts include flooding water for paddy (flooding paddy amounts between brackets). Russia includes its European part. Production = P, harvested area = A.