TY  - REP
AU  - Hepworth,H.M.
TI  - On closing the yield gap
PY  - 1982///
CY  - Mexico, DF (Mexico)
PB  - CIMMYT, 
KW  - Extension activities
KW  - Information flow
KW  - Mexico
KW  - Plant production
KW  - Production possibilities
KW  - Training
KW  - Training courses
KW  - Training programmes
KW  - Yields
KW  - AGROVOC
KW  - CIMMYT
N1  - References p. 15
ER  -