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DESCRIPTION
a really quick backgrounder on crop production and technology
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•
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0
0.5
1
1.5
2
2.5
3
3.5
19
61
19
65
19
69
19
73
19
77
19
81
19
85
19
89
19
93
19
97
20
01
20
05
20
09
Yield (Hg/Ha)
Maize, green MaizePotatoes Rice, paddySoybeans Wheat
0
100
200
300
400
500
600
19
61
19
65
19
69
19
73
19
77
19
81
19
85
19
89
19
93
19
97
20
01
20
05
20
09
Food supply quantity (kcal/capita/day)
Maize PotatoesRice Soyabean OilSoyabeans Wheat