TY  - BOOK
AU  - International Conference on Crop Productivity, Harbor Springs, Michigan, Oct.20-24,1975.
TI  - Crop productivity; research imperatives; summary
U1  - TR 631.001.5:633.002.2(100) 1975.10.20/24  L6 
PY  - 1976///
CY  - Spring Field
PB  - NTIS, U.S. Department of Commerce
KW  -  A.W.A.Brown (and others)
KW  - Brown, A.W.A., ed.
KW  - Farm produce-united states-congresses,Food supply-united states-congresses,Crop yields-economic aspects-United States
ER  -