Table 10 Detailed description of the experimental sites

Distance from Addis Ababa

460 km

458

430 km

Altitude (m.a.s.l)

2400

2358

2494

Mean annual temperature (minimum / maximum)

9.5 °C / 21 °C

8.6° C / 22.4° C

9.4 °C / 25.2 °C

Average annual rainfall

1174 mm

836.70 mm

860 mm

Soil texture

Cambisols with minor Vertisols

Vertisol and clay

Cambisol with minor Vertisol

Global positioning

Latitude

07°06′12"N

6° 67′ 11''N

7°08′13''N

Longitude

40°12′40" E

40° 43′35''E

39°59′40''E