TY  - TH
AU  - Ennin,S.A.
TI  - Nitrogen and solar radiation dynamics in soybean/maize systems
PY  - 1997///
CY  - Lincoln, NE (USA)
PB  - Stella A. Ennin, 
N1  - Nationality: GH; Thesis (Ph. D.) University of Nebraska, 1997 - Agronomy
ER  -