TY  - BOOK
AU  - Stoskopf,Neal C.
TI  - Understanding crop production
SN  - 0835980278 (hardback)
AV  - S9B1 S76 
PY  - 1981///
CY  - Virginia
PB  - Reston Publishing
KW  - Plants, cultivated
KW  - Agriculture
N1  - Includes bibliographical references and index
ER  -