TY  - BOOK
AU  -  Black,Chaarles Allen
TI  -  Soil-plant relationships 
U1  -  631.4 BLA 
PY  - 1968///
CY  -  New York : 
PB  -  Wiley , 
KW  -  Soils
KW  -  Plant physiology
N1  -  Includes bibliographical references and index
ER  -