TY  - BOOK
ED  - United States.
ED  - United States.
TI  - Varieties of alfalfa
T2  - United States. Dept. of Agriculture. Farmers' bulletin
AV  - HD1751 .A916 no. 2231
PY  - 1968///]
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Alfalfa
KW  - Varieties
N1  - Revised ed. of its Alfalfa varieties and areas of adaptation, issued as U.S. Dept. of Agriculture. Leaflet no. 507
ER  -