TY  - JA
AU  - Stephens,J.C.
AU  - Vinall,H.N.
TI  - Experimental methods and the probable error in field experiments with sorghum
PY  - 1928///
CY  - USA
PB  - USDA publications
KW  - AGROVOC
KW  - Trial Methods
KW  - Field Experimentation
KW  - Sorghum
KW  - Soil
T2  - Agricultural Research
ER  -