TY  - BOOK
AU  - Norman, A.G., ed.
TI  - Advances in agronomy
U1  - AR 630 21st ed.
PY  - 1956///
CY  - New York
PB  - Academic Press
KW  - Agronomy
KW  - Festuca arundinacea
KW  - Field crops
KW  - Nitrogen fertilizers
KW  - Organic soils
KW  - Winter hardiness
N1  - Content: v.8; Index: pp 403-23
ER  -