159
0.524
0.953
1.473
0.513
0.683
0.097
0.173
0.463
0.682
0.523
1.069
1.389
1.124
2.439
1.979
0
0 .5
1
1 .5
2
2 .5
3
3 .5
4
Sub-Saharan Africa
Middle East-North Africa
Latin America
Asia
All developing contries
(%)
Area
MV contributions to yield
Other input per hectare
2.818
0.607
-0.512
0.02
0.386
0.471
0.783
0.772
0.968
0.857
-0.11
0.722
1.382
1.119
0.948
-1
-0.5
0
0.5
1
1.5
2
2.5
3
3.5
Sub-Saharan Africa
Middle East-North Africa
Latin America
Asia
All developing contries
(%)
Area
MV contributions to yield
Other input per hectare
a
b
Fig. 8.2 Decompose of factors for yield growth. (a) Early Green Revolution Period, 1961–1980.
(b) Late Green Revolution Period, 1981–2000. (Source: Made by author from Evenson and Gollin
(2003))
8 Framing Food Security and Poverty Alleviation