Reading3-1 (dragged) 20

Reading3-1 (dragged) 20 - Woodlands — 2 Sun f ower 9.7...

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21 Reading 3-1 Table 1. The world’s 30 leading food crops in terms of estimated edible dry matter. Crop Million Tonnes 2 Ecological Origins Pollination Ploidy level ( × no.) Wheat 468 Annual Mediteranian Self 2,4,6 Maize 429 Annual Savanna Cross 2 Rice 330 Annual Savanna Self 2 Barley 160 Annual Mediteranian Self 2 Soybean 88 Annual Woodlands Self 4 Cane Sugar 67 Perennial Tropical forest C (veg. prop) many Sorghum 60 Annual Savanna Self 2 Potato 54 Annual Highlands C (veg. prop) 2,4,6 Oats 43 Annual Mediteranian Self 2,4,6 Cassava 41 Perennial Savanna 4 Sweet Potato 35 Annual Savanna C (veg. prop) 6 Beet Sugar 34 Annual Coastal Cross 2,a,4 Rye 29 Annual Mediteranian Cross 2 Millets 26 Annual Savanna S/C 2,4 Rapeseed 19 Annual Mediteranian Cross 4,6 Bean 14 Annual Savanna Self 2 Peanut 13 Annual Savanna Self 4 Pea 12 Annual Mediteranian Self 2 Musa 11 Perennial Tropical forest 3 Grape 11 Perennial
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Unformatted text preview: Woodlands — 2 Sun f ower 9.7 Annual Praire Cross 2 Yams 6.3 Annual Savanna — many Apple 5.5 Perennial Woodlands C (veg. prop) 2 Coconut 5.3 Perennial Coastal Cross 2 Cottonseed (oil) 4.8 Annual Savanna Cross 4 Orange 4.4 Perennial Tropical forest C (veg. prop) 2,3 Tomato 3.3 Annual Coastal Self 2 Cabbage 3.0 Annual Coastal Cross 2 Onion 2.6 Annual ? Cross 2 Mango 1.8 Perennial Tropical forest C (veg. prop) 2 Food Crop Group Totals (millions of tonnes) Cereals 1545 Tubers 136.3 Pulses 127 Fruits 33.7 Sugar 101 Annuals 2047 Perennials 147 Mediterranean and Savanna (long dry seasons) 1990 Edible dry matter of all meats, milk, and eggs 119 2 less wastage; e.g., rice hulls, peels, shells, seeds, non-edible parts, etc., less moisture content from tables in Morrison (1956); Ensminger, et al. (1983); or Adams (1988). Source: FAO yearbook 1985-1987....
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