Log ind
JAMB - Geography (1987 - No. 33)
Why is the fallow period decreasing in the agricultural areas of West Africa?
Farmers now use fertilizers
population preesure is increasing
Land area is decreasing
Soil fertility is decreasing
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
