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In Nigeria significant efforts are being made to improve and conserve the soil. In the time past the soil resource base was sustained through long fallows of 10-15 years. Due to population pressure and other conflicting interests on land, fallow peri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::1ba4e04f88317644fe29b737bb40a8c1
https://zenodo.org/record/3378991
https://zenodo.org/record/3378991
