K J. 1-'. S!1AW 



ill 



These figures bring out several facts : — 



(1) Tlie total amount of "tokra" in the second year was very much 



greater than in the first, the increase being particularly marked in 

 0. cernua, which constituted 91 per cent, of the total number of 

 "tokras" present. 



(2) The bulk of the 0. indica was concentrated in the manured plot and 



the bulk of the 0. cernua in the unmanured plot ; iu the latter case 

 the bulk of the 0. cernua was on the eastern edge. 



(3) The total amount of 0. indica was very much less than was known 



to be in the soil but showed a substantial increase on the amount 

 present in the previous years. 



(4) The amount of "tokra " in the manured plot was only about one-fifth 



of that in the unmanured plot. 



N. 





Sodiwmnitrate 18 lbs. 



D 



Sodiiunniirate 10 lbs . 





SoduunnUrate/8lbs 



Text-figure 2. 



With regard to the hicrease in the total amount of "' tokra," this increase 

 is really larger than appears from the figures since the area under tobacco in 

 the second year was only one-third of that under tobacco in the first year, the 



