TY  - BOOK
AU  - Colwell, J. D.
ED  - Commonwealth Agricultural Bureaux.
TI  - Computations for studies of soil fertility and fertilizer requiremen ts
SN  - 0851984371 (pbk.)
U1  - 631.8/1 
PY  - 1978///
CY  - Slough
PB  - Commonwealth Agricultural Bureaux
KW  - Fertilizers and manures
KW  - Data processing
KW  - Soil fertility
KW  - FORTRAN (Computer program language)
N1  - Includes bibliographical references
ER  -