TY  - BK
AU  - Stoskopf,Neal C.
TI  - Understanding crop production
SN  - 08-359-80278 (jacket).  08-359-80286
U1  - 83-880294 
PY  - 1981///
KW  - Plant production
N1  - ill. Includes bibliographies and indexes US (NAL SB91.S75)
T2  - Reston, Va. (USA). Reston Pub. Co. 1981. 433 p
ER  -