PREMIUMS OFFERED. 91 



VIII. EXPERIMENTS IN SUB-SOIL PLOUGHING. 



For the most satisfactory experiment on not less than one acre of 

 lan'l, of the efifect of sub-soil ploughing, to be determined by the 

 difference of the value of the crops raised on equal portions of equal* 

 ly manured land of equal quality, one half of which, having been 

 sub-soil ploughed, the other half ploughed in the usual manner. 

 Statements of the depth of ploughing in each instance, together 

 with all the particulari of culture, required, 



1st premium, .... ten dollars. 



2d premium, - - • eight dollars. 



IX. IMPROVEMENT OF AGRICULTURAL IMPLEMENTS. 



To the person who shall exhibit at the show any new or improved 

 agricultural implement, the invention being his own, which shall, in 

 the opinion of the Trustees, merit a reward, a premium shall be 

 given, not exceeding ten dollars. 



X. COMPARATIVE VALUE OF CROPS, AS FOOD FOR 



CATTLE. 



1. For the most satisfactory experiment upon a stock of cattle, 

 not less than four in number, in ascertaining the relative value of tho 

 different kinds of fodder used, with a statement in detail of the 

 quantity and value of the same, as compared with English hay, th« 

 experiment to be made in the three winter months, 



1st premium, - - - fifteen dollars. 



2d premium, - - - - ten dollars. 



2. For the most satisfactory experiment, proving the comparativo 

 value of the crop of cultivated grasses, cut at different periods of 

 their growth, whether they be worth more or less for feeding or fat« 

 tening cattle, cut in the blossom, or when the seed is fully formed, or 

 when fully ripe, taking into vicAV the effect of cutting these grasses 

 at the different periods above mentioned, on the land itself and on 

 subsequent crops, .... fiifteen dollars. 



These premiums are offered, to be paid whenever a meritorious 

 claim is presented ; 8»nd will be continued until awarded. 



XI. EXPERIMENTS ON MANURES. 

 1. For an exa«t and satisfactory experiment in the preparation 



