680 



Grasses and Leguminous Ceops in New York 



hay or left for seed. The seed is commonly saved from this 

 second crop. Mammoth clover, which is a late variety of red, 

 makes but one crop. It is ready for hay at the same time as 

 timothy, and is hence often preferred to sow with that grass. 

 Alsike clover also makes bnt one crop in a season ; this may be 

 cut for haj or for seed. 



IN ROTATIONS 



Red clover is seldom used as a green manure, but it is the 

 standard legume in the Xorth for use in rotations. As such it is 

 used either with or without timothy, and is the basis for maintain- 

 ing the fertility of the soil. Corn and potatoes are planted on the 

 turned-under clover sod, and this sod furnishes nitrogen for the 

 hoed crop. 



Fig. 656. Close View of Soil Honeycomed by Frost and in Proper 

 Condition for Seeding Clover. The Numerous Irregularities Be- 

 come Leveled When the Ground Thaws. Resulting in a Natural 

 Covering of the Clover Seed by the Soil. 



seed PRODUCTION 



The seed of red clover is taken from the second crop and is 

 gathered in nearly all of the northern states, but chiefly in those 

 of the Ohio and Mississippi valleys and in Idaho and Oregon. The 

 yield of seed is extremely variable; a wet season is commonly a 



