Increase rice yield with site-specific nutrient management technique [in the Philippines]

abonos npk absorption de substances nutritives adoption de l'innovation arroz irrigado crop yield diagnostic de laboratoire engrais npk fertilisation fertilizer application filipinas fixation de l'azote innovation adoption irrigated rice laboratory diagnosis macollamiento nitrogen fixation npk fertilizers nutrient uptake oryza sativa philippines rendement des cultures rendimiento de cultivos tallage technologie technology technology transfer tecnologia tillering transfert de technologie