GTPSUM. 



321 



GROWTH OP SAINFOIN UPON SOILS GYPSED AND UNGTPSED IN 



1792, 1793, AND 1794. 





Crop on the deeper ungypsed 

 soil 



Crop upon the contiguous breadth, 

 which had received about 15 

 bushels of gypsum in April, 

 1794. . . . . . 



Bemarks. 



Difference in favor of the gypsed 

 breadth . . . . 



Crop upon the same soil, of less 

 depth, and not gypsed . 



Crop on contiguous soil, dressed 

 with about 15 bushels of gyp- 

 sum in April, 1792 . 



Difference in favor of the gypsed 

 breadth .... 



Crop on the same soil, 3 inches 

 deep, and not gypsed 



Crop on contiguous soil, dressed 

 with about 15 bushels of gyp- 

 sum, 17th May, 1794 . 



Difference in favor of the gyp- 

 sed piece .... 



Crop on the contiguous soil of 

 experiment. No. 3, gypsed 

 with the same dose in May, 

 1792 .... 



Difference in favor of the crop 

 gypsed twice, at an interval of 

 two years 



Dry 



herb 

 p«r acre. 



Seed per 

 acre. 



lbs. 

 3357 



5462 



2105 

 2766 



4381 



1615 

 2068 



4879 



2811 



4310 



2242 



lbs. 



419 

 582 



163 

 245 



379 



134 

 66 



211 



145 



205 



139 



Weight 



of total 



crop. 



lbs. 

 3776 



6044 



Proportion of 



stalk to 



seed. 



2268 

 3011 



4760 



1749 

 2134 



5090 



2956 



4515 



2381 



100 : 12.5 



100 : 10.7 



100:8.9 



100 : 8.7 



100 : 3.2 



100 : 4.3 



100 : 4.8 



