00281nam a2200109Ia 450000500170000000800410001708200140005810000200007224500350009226000360012730000080016320260225051016.0260224s9999||||xx |||||||||||||| ||und||  a581.1 BOW  aD.J.E. Bowling  0aUptake of ions by plant roots   aLondon: Chapman and Hall c1976  a212