TY  - JA
AU  - Shaw,R.H.
TI  - Use of a moisture-stress index for examining climate trends and corn yields in Iowa
U1  - 78-234110 
PY  - 1977///
KW  - Iowa
KW  - Maize
KW  - AGROVOC
KW  - Plant production
KW  - Zea mays
N1  - Review
T2  - Iowa State Journal of Research
ER  -