Crop nutrition and fertilization at various systems of soil treatment

absorption de substances nutritives azote cambisol cambisoles cambisols carence en substance nutritive cero-labranza conventional tillage crop yield cultivos de invierno cultivos de primavera culture d'hiver culture de printemps deficiencias nutritivas fertilisation fertilizer application hordeum vulgare labranza convencional luvisol luvisoles luvisols mineralisation mineralization nitrogen nutrient deficiencies nutrient uptake rendement des cultures rendimiento de cultivos spring crops travail du sol conventionnel triticum aestivum winter crops zero tillage