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Filters: Tags: Artemisia tridentata spp. vaseyana (X)

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Two field experiments were performed to determine if reproductive allocation in 3- to 4-year-old Artemisia tridentata ssp. vaseyana (Rydb.) Beetle, mountain big sagebrush, was affected by spatial dispersion pattern and by small additions of water and/or nitrogen fertilizer In the spatial dispersion study, most measures of reproductive allocation were higher for plants growing singly compared to plants growing in clumps of four shrubs. Total achene biomass and the ratio of total reproductive biomass production/vegetative biomass production (a measure of reproductive effort) for 1984 were much higher for plants growing in a regular pattern In the water and nitrogen fertilizer study, addition of water and fertilizer...