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Facts show liltle danger to exist when pro- perly performed:. 344

Differences in the method of performing the operations: ee bids

Probably necessary from the differences of soil:..

Manner of proceeding most useful in diffe- rent cases meaibide Skirting-- 549 Beat-burning; ap eibicl:

{mplements employed in the performing of,

different:. ibid. Advantages of each 4; 340 Ploughs most expeditious when they can beused ibid. Season for the process 4. 347 Dry weather highly necessary a sloryel,

Spring months generally the best=1wibid.

Mast vary, from the nature of crops. said: For rape and turnips°. ibid.

For barley and oats: For wheat

Thickness of parings should depend on the

nature of the soil Mr. Boys’s opinion of Usual depths of Circumstances to be regarded in spreading the ashes é Particular mode of, in some places Objections to

; ibid, Expences of, in lighter sorts of soils. ibid. In fen districts: 349—351

Manure produced by:

Most advantageous methods of cropping after the process in different cases

Estimates of the expence and profits of

Utility of the practice é

How may be rendered less necessary

General observations on

SHEEG T I O Niak, FALLOWING OF LAND.

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FALLOW!ING:.« 358 In preparing‘ands by means of, various changes také place in the substances

that form soils= f= bias A high degree of mellowness and pulveriza-= tion mostly effected by it ibid.

By such means the different materials be- come more uniformly and ¢ xtensively blended together: Fe ilbide Advantages of this in the grow'h of crops. ibid. Dews and moisture more readily admitted

thereby: ibid. Destruction of weeds in, also useful in im-

proving the soils:» 350 Other modes in which pulverization may be

beneficial: eat bice

By admitiing the atmospheric air more abundantly into the interstices of

the soils 5 SiG By the formation of carbonic or other : acids in consequence of it Pea bide Of ammonia, or volatile alkali«ibid: Of nitrous acid 3= bide Of fluid carbonic acid. 5 rere! The practice of fallowing in these ways more extensively beneficial than has been supposed;- 360 Js more ad pted to some sorts of land than others; 4 a eibide In some, unnecessary or injurious eeEipig:

On the lighter and more dry soils

On such as are rich from the application of manures:

Manner in which it proves hurtful in each

Useful in the wet, stiff, and tenacious clayey soils, in various ways:

By permitting atmospheric air to enter more tully into the cavities of the soils, the matters that promote vegetation are more extensively produced;

The roots of plants allowed to penetrate and take them up more freely by the great increase of surface that thus takes place.

The destruction of weeds more effectual in this way P

Can only perhaps be effected in wet soils by summer fallowing:

Ploughing them in winter often renders them more stiffand adhesive

Dry gravelly soils may mostly be managed without this process, but wet and clayey ones cannot‘

No modes of cropping perhaps fully effectual in the latter:

On such soils they will not therefore obviate the occasional use of summer fal- lowing

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ibid.

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355 ibid,

» 390

ibid.

ibid. ibid. ibid.

« 362

ibid,

ibid