306 Inquiries. 



IV. The best, most economical, and salutary modes of 

 preparing food for domestic animals ; on dry or succulent 

 provender ; and what roots, as substitutes for grain, are 

 most eligible? 



V. The most effectual and cheapest modes of prepa- 

 ring and fitting crops, for domestic use or market ; sa- 

 ving labour by threshing machines, or treading out by 

 horses, &c. and average cost of such preparation or pro- 

 cess ? 



VI. The most proper systems of cropping, suitable 

 for different soils ; the kinds of grain most profitable, and 

 the least exhausting, in specified soils and situations? 

 What species of grain, or other vegetable products, best 

 succeed others, and the best modes of culture for each? 

 What soils or situations best suit winter or summer 

 wheats; and the species most preferable ; as well for pro- 

 ductiveness, as least liable to diseases ; such as mildew, 

 blight, rust, stunt or smut ; and what kinds are the least 

 injured by the Hessian fiy ? concerning which, well as- 

 certained facts should be collected and communicated. 



VII. The introduction and experienced use of grasses, 

 best calculated for particular soils ; and which will grow 

 and ripen congenially together; and the most proper mode 

 and season for sowing, and stage of growth for cutting 

 for hay ; the different kinds of grasses ? 



VIII. The most convenient sizes of fields, in propor- 

 tion to farms, for shifts and changes of crops ; and the 

 most profitable changes ; and the periods for which those 

 most permanent in the rotation should remain ; so as to 

 promote the progressive and durable improvement of the 

 farm? 



