TY  - GEN
AU  - Dregne,Harold
TI  - Soils of the arid west
T2  - Publication, 74
KW  - Sol
KW  - Zone aride
KW  - Aridoculture
KW  - Eau
KW  - Irrigation
KW  - Etats Unis
KW  - Ouest
N1  - <Donation Engel>; bibliogr. p. 237-238
ER  -