The importance of different pools and transfers varies between nutrients Relative importance of global pools Significance of inorganic and organic pools and biological cycling Solubility of inorganic forms of nutrients Buffering capaci Movement of nutrients in soil solution Replenishment of nutrients in soil solution Concentrations of nutrients in solution close to rootsThe importance of different pools and transfers varies between nutrients • Relative importance of global pools • Significance of inorganic and organic pools and biological cycling • Solubility of inorganic forms of nutrients • Buffering capacity • Movement of nutrients in soil solution • Replenishment of nutrients in soil solution • Concentrations of nutrients in solution close to roots