RED CLOVER 



397 



yielding 4000 pounds of hay contained 1760 pounds of 

 dry roots. At the Delaware Experiment Station the 

 tops and roots to an acre were determined respectively 

 at 2819 and 1212 pounds dry weight. 



At the Central Experiment Farm, Canada, the roots 

 were dug from areas 4 feet square and 9 inches deep on 

 seven different plots. The estimated green weights to an 

 acre are shown in the following table : 



ESTIMATED GREEN WEIGHT OF TOPS AND ROOTS TO AN ACRE, 

 CANADA CENTRAL EXPERIMENT FARM 



469. Relative proportions of stems, leaves and flower 

 heads. Dietrich in Germany studied the relative per- 

 centage weights of leaves, stems and flower heads at dif- 

 ferent ages. The following results were secured : 



