Preliminary report of the survey of the fertilizer economy of the Asia and Far East region

abonos agricultural sector agronomia agronomie agronomy consommation consumo consumption economia economic distribution economic stabilization economics economie engrais exportaciones exportation exports extension extension activities fertilisation fertilizer application fertilizer industry fertilizers forecasting importaciones importation imports industria de abonos industrie des engrais plant response politique des prix precios price policies prices prix production costs projet de recherche research projects respuesta de la planta secteur agricole sector agrario state intervention subsidies subsidios subvention tendance tendencias trends vulgarisation