TY  - BOOK
AU  - Byerlee, Derek.
TI  - Reconciling conflicts in sequential cropping patterns through plant breeding ; the example of cotton and wheat in Pakistan's Punjab
KW  - Algodon
KW  - Mejoramiento
KW  - Rotación de cultivos
KW  - Trigo
N1  - Sobretiro de : Agricultural Systems 24 : 291-304, 1987
ER  -