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Appendix One - Approximate nutrient levels of various staple

Source: FAO, 1985. Report of Workshop on Production and Marketing constraints on Roots, Tubers and Plantain in Africa, Vol. I


Maize

Sorghum

Rice (paddy)

Cassava

Yams

Sweet Potato

Taro

AVERAGE YIELD

(kg/ha)

1336

746

1756

6182

9973

5893

3562

% non-edible

10

10

35

26

16

21

16

CALORIES

Per 100g edible portion

359

347

364

149

119

121

102

Per ha/season (x 1000)

4137

2330

4155

6816

9969

5633

3052

Ranking

5

6

4

2

1

3

7

PROTEINS

Per 100g edible portion (g)

9.3

11.1

7.0

1.2

1.9

1.6

1.8

Per ha/season (kg)

112

75

80

55

159

75

54

Ranking

2

4

3

6

1

4

7


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