Yang G1,2, Z Zhang1, G Zhang3, H Zhang2, X Han3, CA Busso4
Phyton-International Journal of Experimental Botany, Vol.85, pp. 100-107, 2016, DOI:10.32604/phyton.2016.85.100
Abstract Phosphorus is an essential macronutrient for all living plants and plant production. Simultaneously, atmospheric nitrogen deposition also affects plant productivity at a global scale. However, few studies have investigated how plants respond to P addition while simultaneously considering N deposition. We investigated plant biomass, nutrient status and stoichiometric ratios on Potentilla tanacetifolia in response to P fertilization under contrasting N addition rates in a typical meadow steppe in Inner Mongolia, China. Aboveground biomass of P. tanacetifolia increased under increasing levels of P fertilization under conditions of N addition. However, there was no significant change in biomass when only phosphorus was… More >
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