TY  - REP
AU  - Pendleton,J.W.
TI  - Crop production practices
U1  - 78-287106 
PY  - 1977///
KW  - Plant production
N1  - Ref
T2  - Duncan, E.R. (ed.). Dimensions of world food problems. Ames, Iowa (USA). Iowa State University Press. 1977. p. 172-185
ER  -