From: Crop adaptation to climate change in the semi-arid zone in Tanzania: the role of genetic resources and seed systems
Crop
Seed source (percentage)a
Formal (percentage)
Informal (percentage)
Own
Barter
Gift
Local market
Shop
Government
Other
Maize
42
6
4
21
9
15
3
24
73
Sorghum
61
7
11
5
8
87