AGRICULTURE AND DENDROLOGY. 
17 
effect is noticeable here as was noticed in the case of irrigated 
rice ; namely that this fertilizer increases the percentage of 
grain compared with that of straw. The plats on which the 
superphosphate had a dominating influence show in all cases 
the highest percentages of grain. 
The following table shows the rate at which the manures 
were applied pr. acre in pounds, and also the approximate rate 
of yield in bushels. It also shows the comparative yields of 
the several plats in which the average of the two unmanured 
plats is taken as hundred. 
