AGRICULTURAL QUERIES. 69 



Is the face of the country hilly or level ? 



Are stones scattered loosjly in the soil, or do ledges of rocks ap- 

 pear ? Are the ledges numerous ? 

 Is any Limestone or marl known to exist near you ? 

 Have you any soil apparently good, but which does not yield good 

 crops ? 



6. Ploughing. What observations or experiments have you 

 made on deep and shallow ploughing ? 



What depth do 3 ou plough in soils of middling quality ? 

 Is summer ploughing ever employed to break up and turn in the 

 sod, in order to prepare manure, and produce a fallow ? 

 Does fail ploughing succeed well in all soils ? 



What are the etferls of deep ploughing and hoeing on corn, pota- 

 toes, and other articles in rows, during a long continued drovght, 

 even when the killing of weeds or earthing of crops is out of the 

 question ? 

 What kinds of ploughs are most in use ? 



7. M'.inures. What observations and experiments have you 

 made on the comparative effects of new and old dung on diti'erent 

 crops, and in diiferent soils ? 



What experiments on ploughing in green crops for manure ? 

 What are the comparative advantages of ploughing in manure, and 

 of putting it in hills or rows, in reference to ditferent kinds of crops ? 

 Are top dressings often employed, and with what success ? Do 

 you apply them in autumn or spring ? 



How much manure, estimating half a cord as a load, is collected 

 from the barn-yard of a farm, specifying the number and kind of 

 cattle kept, and what portion of time they are conrii»ed to the barn 

 or yard ? 



Are manure heaps often protected by design from the rain and 

 suii. unless in barn cellars ? 

 Is much compost manure made, and how ? 



What experiments and results on lime, marl, leached ashes, and 

 salt, as manures ? 



To w^hat crops, and in what quantity, are ashes and lime applied ? 

 To what soils and crops have you found Gypswn (or Plaster of 

 Paris) best htted ? How are its ellects, according as it is ploughed 

 or hoed in, or used as a top dressing ? 



What are the comparative effects of gypsum on soils, according as 

 they have, or have not, been recently manured with dung ? 

 What circumstances of the weather are most favorable for apply- 

 ing gypsum ? In what cases do you apply it to the seeds them- 

 selves rather than to the soil ? 



How^ are the effects of gypsum on clayey or rich soils ? 

 [to be coktinukd in our next.] 



