TY  - BK
AU  - Knapp,R.
TI  - Establishing a field trial
PY  - 1983///
CY  - El Batan, Tex. (Mexico)
PB  - CIMMYT, 
KW  - Field experimentation
KW  - Production economics
KW  - Technology
KW  - AGROVOC
KW  - Training courses
KW  - Trial methods
KW  - Wheat
KW  - Agricultural research
ER  -