Jatindra Nath Sen 



41 



July Aug. Sept. Oct. Nov. Deo. Jan Feb. 



1916 1910 1917 



Fig. 1. Nitrates in the soils of 2 ft. gauges. 



6 15 30 14 29 13 28 13 28 12 27 12 27 11 26 10 25 

 July Aug. Sept. Oct. Nov. Dec. Jan. Feb. 



1916 1916 1917 



Fig. 2. Nitrates in the soils of 3 ft. gauges. 



