TY  - BOOK
AU  - Rojas, Basilio A.
TI  - The analysis of tillage experiments ; final report
T2  - Agricultural Experiment Station Project
U1  - 519.92 
PY  - 1950///)
CY  - Ames
PB  - Iowa State College. Statistical Laboratory
KW  - Diseños experimentales
KW  - Labranza
ER  -