Is soil fertility declining? : perspectives on environmental change in Southern Ethiopia
Eyasu Elias
Bok Engelsk 1998
Utgitt | London : International Institute for Environment and Development, Drylands Programme , 1998
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Omfang | IV, 32 s.
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Emner |
Utgitt | London : International Institute for Environment and Development, Drylands Programme , 1998
|
---|---|
Omfang | IV, 32 s.
|
Emner |