79° 



Journal of Agricultural Research 



Vol. VI, No. 20 



SUMMARY OF SEEDLING PRODUCTION IN SOIL BY IMPERMEABLE CLOVER 



AND ALFALFA SEEDS 



The results of a number of separate experiments on seedling produc- 

 tion by impermeable seeds have been discussed in the preceding pages. 

 The different series of tests were made at different times and with differ- 

 ent lots of seed. Although this fact makes a direct comparison of the 



■K/ND OF SEED AMD TEST NUMBER 



Fig. 6.— Curves of the seedling production in the field and of the germination in chamber in 12K months. 



results of the different series of tests impossible, some important consid- 

 erations are emphasized by grouping the different series together, as in 

 Table XIV. The results of check tests conducted in germinating cham- 

 bers are included if such check tests were made; also the percentages of 

 chamber germination of impermeable seeds in one year taken from 

 Table III. 



