164 STATE BOARD OF AGRICULTURE. 



On June 3d, plats Nos. 19, 21, 23, 25, 27, 29, 31, 33, 35 were top-dressed 

 with plaster, at the same rate, viz : one-half oance per liill. On June 24 all the 

 plats were cultivated both ways and, on June 27, corn hoed and thinned to three 

 stalks in each hill, thus leaving exactly the same number of stalks on each 

 plat. July 18, cultivated, and hoed again on August 7. The corn was cut on 

 September 13, husked and corn weighed on October 21, between 1 and 4 P. M., 

 and the stalks weighed October 24, between 2 and 5 P. M. 



The aggregate yields were as follows: 



9 plats, plaster in hill, C. 74G^ lbs. 



S. 585^ " 



Total - - - - 1, 33 If lbs. 



9 plats alternating with the above gave, with no dressing C. 751f lbs. 



S. 595 " 



Total-- - l,346f lbs. 



9 plats, plaster top-dressed - - C. 798 lbs. 



S. 657^ " 



Total 1,455^ lbs. 



9 plats alternating with the top-dressed plats, give 0. 758f lbs. 



S. 616 " 



Total --- -- l,374f lbs. 



18 plats dressed with plaster in the two ways, give C 1,544^ lbs. 



S. 1,243 



(( 



Total--.- 2,787ilbs. 



18 plats with no dressing, give (J. 1,510^ lbs. 



S. 1,211 " 



Total 2,7211 ibs. 



Loss of P. P. plats over undressed C. 5A- lbs. 



Loss of P. P. '' " .- S. 9ilbs. 



Total loss of P. P. plats over undressed - 15 lbs. 



Gain of P. Plats over undressed - C. 39^ lbs. 



" " " S.41ilbs. 



Total gain of P. Plats over undressed 80 J lbs. 



The smallest yield of corn was on plat 20. The smallest yield of stalks was 

 plat 3. The largest yield of corn was on plat 27, and the largest yield of stalks 

 on the same plat. 



The largest total yield was plat 27. The smallest total yield was plat 20. 



The season has been a much more favorable one for corn production than 

 cither of the years 187G or 1877. The yield on the wliolc plat was at the rate 

 of 34.7 bushels per acre of corn, 70 lbs per bushel, or about 69 bushels of ears, 



