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1Block demonstration of sustainable agriculture of smallholders in the intermediate zone of Sri Lankaby Somasiri, S., FAO, Rome (Italy). Agriculture Dept. eng, Emitiyagoda, S., Gunatilaka Banda, D.M.
Published 1992Texto bibliotecaFAO IT -
2by Wirasinghe, S., Consultation on the FAO Fertilizer Programme eng 23-26 May 1989 14 Arusha (Tanzania), Emitiyagoda, S.
Published 1989Texto bibliotecaFAO IT -
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