00310nam a2200109Ia 450000500170000000800410001708200160005810000200007424500560009426000420015030000080019220260225051024.0260224s9999||||xx |||||||||||||| ||und||  a581.526 KRA  aPaul J. Kraker  0aPlant & soil water relationship:A modern synthesis   aNew York: McGraw-Hill Book Co. c1969  a482