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Rangeland: Plant responses to elevated CO{sub 2}

Publication year - 1993

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/221920

Subject(s) - rangeland , forage , environmental science , biomass (ecology) , population , agronomy , biology , agroforestry , demography , sociology

Nine circular plots were established on native tallgrass prairie near Kansas State University campus. Plots were separately exposed to ambient CO2, double ambient (enriched) CO2. Plots were moved annually in late February and have had various fertilization schemes applied. Grasses were examined for biomass production, water use efficiency, photosynthetic capacity, nutrient limitations, decomposition and nutrient cycling, and forage quality. It was found that C4, but not C3, grass species exhibited increased biomass production

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