共 8 条
[1]
Amare G., Krikorian A.D., Chat: coffee's rival from Harer, Ethiopia. Botany, cultivation and uses, Economic Botany, 27, pp. 353-377, (1973)
[2]
Demel T., Erythrina burana: a promising multipurpose tree from Ethiopia, Agroforestry Today, 2, 4, (1990)
[3]
Edwards S, Flora of Ethiopia, vol 3, (1989)
[4]
Marshal C.E., The World Coffee Trade, a Guide to the Production, Trading and Consumption of Coffee, (1983)
[5]
Oduol P.A., Aluma J.R.W., The banana (Musa spp.)- Coffee robusta: traditional agroforestry system of Uganda, Agroforestry Systems, 11, pp. 213-226, (1990)
[6]
Oladokun M.A.O., Tree crop based agroforestry in Nigeria: a checklist of crops intercopped with cocoa, Agroforestry Systems, 11, pp. 227-241, (1990)
[7]
Sylvian P.G., Ethiopian coffee — its significance to world coffee problems, Economic Botany, 12, pp. 111-139, (1958)
[8]
Westphal E., Agricultural Systems in Ethiopia, (1975)