Nutrient uptake, diagnosis of the symptons of macronutrients and boron deficiencies and effects of rates of calcium and boron on kale (Brassica oleracea L. var. acephala D.C.) growth

absorption de substances nutritives azote bore boro boron brassica oleracea calcio calcium couve crecimiento crescimento croissance fosforo growth nitrogen nutrient uptake nutritional disorders phosphore phosphorus potasio potassio potassium trastornos nutricionales trouble nutritionnel