Fig. 4. Nitrogen uptake in tops plus bulbs and in bulbs as a function of sampling date and N fertilization (+NF, N fertilizer applied; -NF, no N fertilizer applied). Significant N rate x date interactions are shown.
Fig. 4. Nitrogen uptake in tops plus bulbs and in bulbs as a function of sampling date and N fertilization (+NF, N fertilizer applied; -NF, no N fertilizer applied). Significant N rate x date interactions are shown.