The commercial alfalfas of this country may be divided into five somewhat distinct groups, each containing strains or varieties that vary considerably within themselves. These groups may be described briefly as follows:

The common group includes the ordinary purple-flowered, smooth alfalfa, of which there are numerous regional strains generally…

HEREIN the uses of alfalfa are set forth, particularly its use as a forage crop, and suggestions are offered that may be helpful in making its utilization more efficient and more generally satisfactory.

Recent experiments indicate that larger yields of hay result and stands are maintained in better condition when the cutting is delayed until the…