Phosphorus-zinc interaction in flooded rice grown on some alkaline soils

abonos de oligoelementos abonos fosfatados absorption de substances nutritives alkaline soils application rates composition globale crecimiento croissance dose d'application flooded rice growth micronutrient fertilizers nutrient uptake oryza sativa phosphate fertilizers proximate composition rendement rendimiento riz aquatique sol alcalin suelo alcalino yields