TY  - BOOK
ED  - Northeastern Soil Research Committee.
TI  - The changing fertility of New England soils,
T2  - U. S. Dept. of Agriculture. Agriculture information bulletin
AV  - S21 .A74 no. 133
U1  - 631.47 
PY  - 1954/// [i.e. 1955]
CY  - [Washington
PB  - U.S. Govt. Print. Off.]
KW  - Soil surveys
KW  - New England
KW  - Soil fertility
KW  - Soils
N1  - "Literature cited": p. 64-71
ER  -