248 CATECHISM OF 



What of the import* ce of manures ? 283. What of good man- 

 agement in this respect ? 284. 



Will you explain the distinction of manures into animal, vege- 

 table and mineral ? 285. What is the difference between manures 

 and stimulants ? 286. What are amenders ? 286. What is un- 

 fortunate for this distinction ? 287. 



What do you understand by organic matter in soils? 288. 

 How can you ascertain i||p per cent, in a soil ? 289. 



What three modes are there of restoring organic matter to 

 soils? 290. 



How do the acids exist in soils ? 291. Chlorine and soda ? 

 291. 



What is said of applying mineral manures in 292 ? 



What have some supposed ? 293. If we could know precisely 

 what mineral manures to apply, would these produce fertility per- 

 manently? 293. Why not? 293. What would have to be re- 

 sorted to ere long? 293. 



What is the farmer's great resource ? 294. What must enrich 

 the farm ? 294. How can this be effected ? 294. 



What is said of the value of manures ? 295. What is the golden 

 subject of agriculture ? 296. 



Into what shape should the surface of the barn-yard be put ? 



How would you prevent water running downwards into the 

 soil ? 299. 



Explain the use of peat, swamp mud, &:c., as retainers ? 300. 

 Whence the great value of these substances for mixing with ma- 

 nures ? 301. 



What farmers may well purchase fertilizers from abroad ? 302. 

 What would you say if those who have not husbanded their home 

 resources, should expend money for fertilizers from abroad ? 303. 



What is said of making barn-yard manure in section 304? In 

 305 ? In 306 ? What of the value of manure thus composted in the 

 barn-yard? 306. 



How many cellars should a barn have ? 308. Why should each 

 cool? 308. 



What would you place on the bottom of the manure cellar ? 

 309. How much? 309. How should this cellar be constructed ? 

 309. How much composting matter should be in readiness for 

 the winter ? 309. 



Explain how you would proceed? 310. When will manure so 

 prepared and housed be ready for use ? 311. When has too much 

 labor been withheld? 311. • 



To what use might such manure be put? 312. 



In applying such manure, could you exactly meet the wants of 

 the soil? 313. What might you expect if you should supply 

 more of some ingredients than were wanted for the first crop ? 

 313. 



What of nitrogen as an ingredient of manures? 314. Wha* 



