[Crop yield and product quality in fibre flax in crop rotation with balance fertilizer system depending on the weather and content of phosphorus and potassium in soddy podzolic loamy soils of Western Byelorussia]

abonos application rates belarus besoin nutritionnel crop yield dose d'application engrais fertilidad del suelo fertilizers fosforo graine linum usitatissimum meteorological elements necesidades de nutrientes nutritional requirements phosphore phosphorus podzol podzoles podzols potasio potassium rendement des cultures rendimiento de cultivos seeds semilla soil fertility storage proteins