TY  - BOOK
AU  - Brengle, K. G.
TI  - Principles and practices of dryland farming
U1  - 631.586 
PY  - 1982///
CY  - Boulder
PB  - Colorado Associated University
KW  - Agricultura
KW  - Regiones áridas
KW  - Cultivos de secano
N1  - 1992-1031
ER  -