TY  - BK
AU  - Jung,G.A.
TI  - Crop tolerance to suboptimal land conditions, proceedings of a symposium sponsored by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Houston, Texas, November 28-December 3, 1976
U1  - 79-399543 
PY  - 1978///
KW  - Plant production
T2  - American Society of Agronomy. Crop Science Society of America. Soil Science Society of America 1978. 343 p
ER  -