[Effect of magnesium fertilization and of organic and chemical amendments on the yield of chrysanthemums (Chrysanthemun morifolium R.) cv. Yellow Polaris, lunder RLAF: exudation]

abonos npk amendement calcique amendement organique compost composts crop yield dendranthema morifolium engrais npk enmiendas calizas facteur de rendement factores de rendimiento irrigation souterraine liming materials magnesium fertilizers npk fertilizers organic amendments rendement des cultures rendimiento de cultivos riego subterraneo subsurface irrigation yield factors