TY  - BK
AU  - Janssen,W.
AU  - Beltran,J.A.
AU  - Ruiz de Londono,N.
AU  - Tripp,R.B.
AU  - Woolley,J.N.
TI  - On-farm research in support of varietal diffusion:  Bean production in Cajamarca, Peru
U1  - 338.162 
PY  - 1991///
CY  - Chichester (United Kingdom)
PB  - John Wiley and Sons
KW  - Food production
KW  - Peru
KW  - Small farms
KW  - AGROVOC
KW  - Trials
KW  - Vicia faba
KW  - Yields
KW  - Farming systems
N1  - Tables, maps, references p. 213-214
ER  -