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Different growth rates of grasses from South American natural grasslands are adaptations to soils of low fertility. Grasses with fast growth rate are species with an accumulation of nutrients in soluble forms, with a high metabolic rate. This work aimed to study whether grasses with different growth rates have different phosphorus (P) uptake and efficiency of P use with high and low P availability...
In South American natural grasslands coexist species of C4 grasses with a higher growth strategies and species with low growth strategies. Biological nitrogen fixation (BNF) is very important for these grasses because the soil is nutrient poor. The understanding of this process may help explain the vegetation dynamics and improve the management of these grasslands. The objective of this work was to...
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