ធនធាន ដាក់ស្លាក: Agriculture Nigeria
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19 មករា 1980 This field guide provides, in a short form, the present knowledge of cassava pests and diseases; it should help extension staff and students identify the major pest and disease problems. It also provides control recommendations. Manual Series No. 3, International Institute of Tropical Agriculture...
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01 មករា 1994 This document aims at lighlighting some experiences of a Catholic Mission agency in agricultural development in Nigeria. Pages 114, illustrationed