The effect of commercial fertilizers on flowering and berry yield in cloudberry (Rubus chamaemorus L.)

acide ascorbique acido ascorbico analyse chimique ascorbic acid ash content azucares bogs bourgeon buds chemical analysis clima climat climate contenido de ceniza contenido de materia seca crop yield deep placement depth dry matter content engrais npk fertilizantes npk fleur floraison flores flowering flowers localisation en profondeur marais npk fertilizers potasio potassium profondeur profundidad rendement des cultures rendimiento de cultivos rubus chamaemorus saison seasons soil sol sucres suelo sugars superfosfato superphosphate temperatura temperature teneur en cendres tremedal vegetation yema (planta)